US4699720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating waste water by wet oxidations
Assignee: Osaka Gas Co Ltd
•
Filing: 1986-12-01
•
Granted: 1987-10-13
•
Expires: 2006-12-01
Abstract
Abstract Waste water containing at least two kinds of components among suspended solids, ammonia and chemically oxidizable substances is treated in a liquid phase oxidation in the presence of a catalyst supported by a carrier of honeycomb construction.
Inventors
- 👤 Yoshiaki Harada
- 👤 Akio Nakashiba
- 👤 Hiroyuki Matuura
- 👤 Teizou Okino
- 👤 Hajime Fujitani
- 👤 Kenichi Yamasaki
- 👤 Yasuhumi Doi
- 👤 Shigenobu Yurugi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:57
CPC Classifications
C; C02; C02F; C02F11/00; C02F11/06; C02F11/08; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/903
Claims Analysis
Total Claims: 122
Claim 1
Independent Claim
108 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the absence of a catalyst and in the presence of an oxygen-containing gas, and (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 2
Dependent Claim
108 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the absence of a catalyst and in the presence of an oxygen-containing gas, and (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 3
Dependent Claim
46 words
A process according to claim 1 wherein the oxygen-containing gas is used in an amount corresponding to about 1 to about 1.5 times the theoretical amount of oxygen required for the oxidation of the suspended solids, ammonia and COD components to nitrogen, CO 2 and water.
Claim 4
Dependent Claim
28 words
A process according to claim 2 wherein the oxygen-containing gas is used in an amount to corresponding to about 1.05 to about 1.2 times the theoretical oxygen amount.
Claim 5
Dependent Claim
31 words
A process according to claim 2 wherein the oxygen-containing gas is fed to the step (i) in an amount corresponding to about 0.4 to about 0.7 time the theoretical oxygen amount.
Claim 6
Dependent Claim
29 words
A process according to claim 1 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 7
Dependent Claim
29 words
A process according to claim 5 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 8
Dependent Claim
45 words
A process according to claim 1 wherein the carrier of honeycomb construction used in the step (ii) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 9
Dependent Claim
38 words
A process according to claim 1 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 10
Dependent Claim
46 words
A process according to claim 1 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 11
Dependent Claim
40 words
A process according to claim 9 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 12
Dependent Claim
35 words
A process according to claim 9 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 13
Dependent Claim
29 words
A process according to claim 1 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 14
Dependent Claim
29 words
A process according to claim 12 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 15
Dependent Claim
161 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the absence of a catalyst and in the presence of an oxygen-containing gas, (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water, and (iii) subjecting the water from the step (ii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a granular carrier and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 16
Dependent Claim
161 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the absence of a catalyst and in the presence of an oxygen-containing gas, (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water, and (iii) subjecting the water from the step (ii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a granular carrier and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 17
Dependent Claim
46 words
A process according to claim 14 wherein the oxygen-containing gas is used in an amount corresponding to about 1 to about 1.5 times the theoretical amount of oxygen required for the oxidation of the suspended solids, ammonia and COD components to nitrogen, CO 2 and water.
Claim 18
Dependent Claim
29 words
A process according to claim 15 wherein the the oxygen-containing gas is used in an amount corresponding to about 1.05 to about 1.2 the times the theoretical oxygen amount.
Claim 19
Dependent Claim
29 words
A process according to claim 14 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 20
Dependent Claim
29 words
A process according to claim 17 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 21
Dependent Claim
45 words
A process according to claim 14 wherein the carrier of honeycomb construction used in the step (ii) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 22
Dependent Claim
38 words
A process according to claim 14 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 23
Dependent Claim
46 words
A process according to claim 14 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 24
Dependent Claim
40 words
A process according to claim 21 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 25
Dependent Claim
35 words
A process according to claim 14 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 26
Dependent Claim
29 words
A process according to claim 14 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 100° to about 300° C.
Claim 27
Dependent Claim
29 words
A process according to claim 24 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 200° to about 290° C.
Claim 28
Dependent Claim
29 words
A process according to claim 14 wherein the reaction temperature in the step (iii) for liquid phase oxidation is in the range of about 100° to about 300° C.
Claim 29
Dependent Claim
29 words
A process according to claim 26 wherein the reaction temperature in the step (iii) for liquid phase oxidation is in the range of about 200° to about 290° C.
Claim 30
Dependent Claim
38 words
A process according to claim 14 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 31
Dependent Claim
46 words
A process according to claim 14 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 32
Dependent Claim
40 words
A process according to claim 29 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 33
Dependent Claim
35 words
A process according to claim 29 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 34
Dependent Claim
131 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the absence of a catalyst and in the presence of an oxygen-containing gas, (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of a honeycomb structure and an oxygen-containing gas, and (iii) subjecting the water from the step (ii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 35
Dependent Claim
131 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the absence of a catalyst and in the presence of an oxygen-containing gas, (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of a honeycomb structure and an oxygen-containing gas, and (iii) subjecting the water from the step (ii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 36
Dependent Claim
46 words
A process according to claim 32 wherein the oxygen-containing gas is used in an amount corresponding to about 1 to about 1.5 times the theoretical amount of oxygen required for the oxidation of the suspended solids, ammonia and COD components to nitrogen, CO 2 and water.
Claim 37
Dependent Claim
28 words
A process according to claim 33 wherein the oxygen-containing gas is used in an amount to corresponding to about 1.05 to about 1.2 times the theoretical oxygen amount.
Claim 38
Dependent Claim
29 words
A process according to claim 32 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 39
Dependent Claim
29 words
A process according to claim 35 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 40
Dependent Claim
43 words
A process according to claim 32 wherein the honeycomb structure used in the step (ii) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 41
Dependent Claim
29 words
A process according to claim 32 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 42
Dependent Claim
29 words
A process according to claim 38 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 43
Dependent Claim
29 words
A process according to claim 32 wherein the reaction temperature in the step (iii) for liquid phase oxidation is in the range of about 100° to about 300° C.
Claim 44
Dependent Claim
29 words
A process according to claim 40 wherein the reaction temperature in the step (iii) for liquid phase oxidation is in the range of about 200° to about 290° C.
Claim 45
Dependent Claim
45 words
A process according to claim 32 wherein the carrier of honeycomb structure used in the step (iii) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 46
Dependent Claim
38 words
A process according to claim 32 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 47
Dependent Claim
46 words
A process according to claim 32 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 48
Dependent Claim
40 words
A process according to claim 44 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 49
Dependent Claim
35 words
A process according to claim 44 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 50
Dependent Claim
184 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the absence of a catalyst and in the presence of an oxygen-containing gas, (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of a honeycomb structure and an oxygen-containing gas, (iii) subjecting the water from the step (ii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water, and (iv) subjecting the water from the step (iii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a granular carrier and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 51
Dependent Claim
184 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the absence of a catalyst and in the presence of an oxygen-containing gas, (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of a honeycomb structure and an oxygen-containing gas, (iii) subjecting the water from the step (ii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water, and (iv) subjecting the water from the step (iii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a granular carrier and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 52
Dependent Claim
46 words
A process according to claim 47 wherein the oxygen-containing gas is used in an amount corresponding to about 1 to about 1.5 times the theoretical amount of oxygen required for the oxidation of the suspended solids, ammonia and COD components to nitrogen, CO 2 and water.
Claim 53
Dependent Claim
27 words
A process according to claim 48 wherein the oxygen-containing gas is used in an amount corresponding to about 1.05 to about 1.2 times the theoretical oxygen amount.
Claim 54
Dependent Claim
29 words
A process according to claim 47 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 55
Dependent Claim
29 words
A process according to claim 50 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 56
Dependent Claim
43 words
A process according to claim 47 wherein the honeycomb structure used in the step (ii) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 57
Dependent Claim
29 words
A process according to claim 47 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 100° to about 300° C.
Claim 58
Dependent Claim
29 words
A process according to claim 53 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 200° to about 290° C.
Claim 59
Dependent Claim
29 words
A process according to claim 47 wherein the reaction temperature in the step (iii) for liquid phase oxidation is in the range of about 100° to about 300° C.
Claim 60
Dependent Claim
29 words
A process according to claim 55 wherein the reaction temperature in the step (iii) for liquid phase oxidation is in the range of about 200° to about 290° C.
Claim 61
Dependent Claim
45 words
A process according to claim 47 wherein the carrier of honeycomb structure used in the step (iii) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 62
Dependent Claim
38 words
A process according to claim 47 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 63
Dependent Claim
46 words
A process according to claim 47 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 64
Dependent Claim
40 words
A process according to claim 59 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 65
Dependent Claim
35 words
A process according to claim 59 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 66
Dependent Claim
29 words
A process according to claim 47 wherein the reaction temperature in the step (iv) for liquid phase oxidation is in the range of about 100° to about 300° C.
Claim 67
Dependent Claim
29 words
A process according to claim 62 wherein the reaction temperature in the step (iv) for liquid phase oxidation is in the range of about 200° to about 290° C.
Claim 68
Dependent Claim
38 words
A process according to claim 47 wherein the active component of the catalyst in the step (iv) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 69
Dependent Claim
46 words
A process according to claim 47 wherein the active component of the catalyst in the step (iv) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 70
Dependent Claim
40 words
A process according to claim 47 wherein the active component of the catalyst in the step (iv) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 71
Dependent Claim
35 words
A process according to claim 65 wherein the active component of the catalyst in the step (iv) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 72
Dependent Claim
105 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the presence of a honeycomb structure and an oxygen-containing gas, and (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 73
Dependent Claim
105 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the presence of a honeycomb structure and an oxygen-containing gas, and (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 74
Dependent Claim
46 words
A process according to claim 68 wherein the oxygen-containing gas is used in an amount corresponding to about 1 to about 1.5 times the theoretical amount of oxygen required for the oxidation of the suspended solids, ammonia and COD components to nitrogen, CO 2 and water.
Claim 75
Dependent Claim
27 words
A process according to claim 69 wherein the oxygen-containing gas is used in an amount corresponding to about 1.05 to about 1.2 times the theoretical oxygen amount.
Claim 76
Dependent Claim
29 words
A process according to claim 68 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 77
Dependent Claim
29 words
A process according to claim 71 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 78
Dependent Claim
43 words
A process according to claim 68 wherein the honeycomb structure used in the step (i) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 79
Dependent Claim
45 words
A process according to claim 68 wherein the carrier of honeycomb construction used in the step (ii) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 80
Dependent Claim
38 words
A process according to claim 68 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 81
Dependent Claim
46 words
A process according to claim 68 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 82
Dependent Claim
40 words
A process according to claim 76 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 83
Dependent Claim
35 words
A process according to claim 76 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 84
Dependent Claim
29 words
A process according to claim 68 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 85
Dependent Claim
29 words
A process according to claim 79 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 86
Dependent Claim
158 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the presence of a honeycomb structure and an oxygen-containing gas, (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water, and (iii) subjecting the water from the step (ii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a granular carrier and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 87
Dependent Claim
158 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the presence of a honeycomb structure and an oxygen-containing gas, (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water, and (iii) subjecting the water from the step (ii) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a granular carrier and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 88
Dependent Claim
46 words
A process according to claim 81 wherein the oxygen-containing gas is used in an amount corresponding to about 1 to about 1.5 times the theoretical amount of oxygen required for the oxidation of the suspended solids, ammonia and COD components to nitrogen, CO 2 and water.
Claim 89
Dependent Claim
27 words
A process according to claim 82 wherein the oxygen-containing gas is used in an amount corresponding to about 1.05 to about 1.2 times the theoretical oxygen amount.
Claim 90
Dependent Claim
29 words
A process according to claim 81 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 91
Dependent Claim
29 words
A process according to claim 84 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 92
Dependent Claim
43 words
A process according to claim 81 wherein the honeycomb structure used in the step (i) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 93
Dependent Claim
45 words
A process according to claim 81 wherein the carrier of honeycomb construction used in the step (ii) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 94
Dependent Claim
38 words
A process according to claim 81 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 95
Dependent Claim
46 words
A process according to claim 81 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 96
Dependent Claim
40 words
A process according to claim 89 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 97
Dependent Claim
35 words
A process according to claim 89 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 98
Dependent Claim
29 words
A process according to claim 81 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 100° to about 300° C.
Claim 99
Dependent Claim
29 words
A process according to claim 92 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 200° to about 290° C.
Claim 100
Dependent Claim
38 words
A process according to claim 81 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 101
Dependent Claim
46 words
A process according to claim 81 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 102
Dependent Claim
40 words
A process according to claim 95 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 103
Dependent Claim
35 words
A process according to claim 95 wherein the active component of the catalyst in the step (iii) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 104
Dependent Claim
29 words
A process according to claim 81 wherein the reaction temperature in the step (iii) for liquid phase oxidation is in the range of about 100° to about 300° C.
Claim 105
Dependent Claim
29 words
A process according to claim 100 wherein the reaction temperature in the step (iii) for liquid phase oxidation is in the range of about 200° to about 290° C.
Claim 106
Dependent Claim
135 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water, and (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a granular carrier and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 107
Dependent Claim
135 words
A process for treating waste water by wet oxidations which contains at least two kinds of components among suspended solids, ammonia and COD components, the process comprising the steps of; (i) subjecting waste water to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a carrier of honeycomb construction and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water, and (ii) subjecting the water from the step (i) to liquid phase oxidation in the presence of an oxygen-containing gas and a catalyst supported by a granular carrier and comprising at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold, tungsten and compounds thereof insoluble or sparingly soluble in water.
Claim 108
Dependent Claim
46 words
A process according to claim 100 wherein the oxygen-containing gas is used in an amount corresponding to about 1 to about 1.5 times the theoretical amount of oxygen required for the oxidation of the suspended solids, ammonia and COD components to nitrogen, CO 2 and water.
Claim 109
Dependent Claim
27 words
A process according to claim 101 wherein the oxygen-containing gas is used in an amount corresponding to about 1.05 to about 1.2 times the theoretical oxygen amount.
Claim 110
Dependent Claim
29 words
A process according to claim 100 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 100° to about 370° C.
Claim 111
Dependent Claim
29 words
A process according to claim 103 wherein the reaction temperature in the step (i) for liquid phase oxidation is in the range of about 200° to about 300° C.
Claim 112
Dependent Claim
45 words
A process according to claim 100 wherein the carrier of honeycomb construction used in the step (i) for liquid phase oxidation is about 200 to about 800 m 2 /m 3 in area per unit volume and about 40 to about 80% in aperture ratio.
Claim 113
Dependent Claim
38 words
A process according to claim 100 wherein the active component of the catalyst in the step (i) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 114
Dependent Claim
46 words
A process according to claim 100 wherein the active component of the catalyst in the step (i) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 115
Dependent Claim
40 words
A process according to claim 107 wherein the active component of the catalyst in the step (i) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 116
Dependent Claim
35 words
A process according to claim 107 wherein the active component of the catalyst in the step (i) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 117
Dependent Claim
38 words
A process according to claim 100 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 118
Dependent Claim
46 words
A process according to claim 100 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of compounds insoluble or sparingly soluble in water of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 119
Dependent Claim
40 words
A process according to claim 111 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of oxides of iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, platinum, copper, gold and tungsten.
Claim 120
Dependent Claim
35 words
A process according to claim 111 wherein the active component of the catalyst in the step (ii) for liquid phase oxidation comprises at least one of ruthenium dichloride, platinum dichloride, ruthenium sulfide and rhodium sulfide.
Claim 121
Dependent Claim
29 words
A process according to claim 100 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 100° to about 300° C.
Claim 122
Dependent Claim
29 words
A process according to claim 114 wherein the reaction temperature in the step (ii) for liquid phase oxidation is in the range of about 200° to about 290° C.
References Cited (Backward Citations)
US2690425A
Cited
US4018568A
Cited
US4203838A
Cited
US4155848A
Cited
US4141828A
Cited
US4294706A
Cited
US4604215A
Cited
US4654149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-10-12 | 1991-04-13 | 1991-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-12 | 1995-04-13 | 1995-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-12 | 1999-04-13 | 1999-10-13 | $7700.00 | Window Closed / Lapsed |