Patent US3901807A successfully refreshed from Google Patents.
US3901807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High energy electron treatment of water
Assignee: Sanwa Business Credit Corp
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Filing: 1973-06-27
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Granted: 1975-08-26
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Expires: 1993-06-27
Abstract
Abstract The microbiological and chemical activity of water containing microorganisms and other impurities is reduced by irradiating such water with high energy electrons. A device mixes the water with a gas to supply the water with oxygen and the water passes through a constricted region wherein the electron beam irradiates the water. The structure of the several embodiments of the constricted region results in an economical system that uniformly and sufficiently irradiates the water passing therethrough.
Inventors
- 👤 John G Trump
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:35
CPC Classifications
H; H01; H01J; H01J33/00; C; C02; C02F; C02F1/00; C02F1/30; C02F2303/00; C02F2303/24; Y; Y02; Y02W; Y02W10/00; Y02W10/30; Y02W10/33
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
303 words
AN APARATUS FOR INCREASING THE THICKNESS OF WATER AND WATER-BORNE SLUDGE WHICH MAY BE PENETRATED BY ELECTRONS OF A GIVEN ENERGY AND FOR THE OPTIMIZATION OF THE RADIO-CHEMICAL AND RADIO-BIOLOGICAL EFFECTS OF SUCH PENETRATION BY SUCH ELECTRONS ON SUCH WATER AND WATER-BORNE SLUDGE, INCLUDING AT LEAST ONE MACHINE SOURCE OF A CONTINOUS BEAM OF ELECTRONS, A METAL ENCLOSED REGION ADAPTED TO RECEIVE THE WATER AND WATERBORNE SLUDGE AND TRANSIT THE WATER AND WATER -BORNE SLUDGE THEREFROM, MEANS FOR INJECTING AN OXYGEN CONTAINING A GAS INTO THE METAL ENCLOSED REGION AT A RATE SUFFICIENT TO DIMINISH THE AVERAGE DENSITY OF THE WATER AND WATER-BORNE SLUDGE BY AT LEAST A FACTOR OF TWO AND TO AUGMENT THAT PERCENTAGE OF THE TOTAL CHEMICAL OXYGEN DEMAND OF THE WATER AND WATER-BORNE SLUDGE PRESENT IN WATER AND WATER-BORNE SLUDGE MIXTURE WHICH IS SUPPLIED BY AVAILABLE OXYGEN, A CONSTRICTED REGION WHOSE CROSS-SECTION PERPENDICULAR TO THE DIRECTION OF WATER FLOW IS GENERALLY A NARROW BUT EXTENDED RECTANGLE, AT LEAST ONE EXETENDED SIDE THEREOF BEING FORMED OF A THIN METAL WALL, THE NON-EXTENDED SIDES THEREOF BEING OF A LENGTH LESS THAN THE MAXIMUM RANGE OF THE ELECTRONS EMITTED BY THE MACHINE SOURCE IN THE GAS CONTAINING WATER, AND MEANS FOR INJECTING THE HIGH ENERGY ELECTRONS THROUGH THE THIN WALLED REGIONS SUBSTANTIALLY UNIFORMLY ALONG THE LENGTH DIMENSION THEREOF AND INTO THE GAS CONTANING WATER, THE PENETRATION OF THE ELECTRONS INTO SAID GAS CONTAINING WATER BEING INCREASED BY AT LEAST A FACTOR OF TWO OVER THAT POSSIBLE IN THE WATER ALONE, THE GEOMETRY OF THE CONSTRICTED REGION AND THE DISTRIBUTION AND ENERGY OF THE INJECTED ELECTRONS BEING SUCH THAT THE ABSORBED ENERGY THROUGHOUT THE GAS CONTAINING WATER IS WITHIN A FACTOR OF TWO OF THE AVERAGE ABSORBED ENERGY, AND THE RADIATION EFFECT OF THE ELECTRONS BEING OPTIMIZED BY THE PRESENCE OF SUFFICIENT OXYGEN.
Claim 2
Dependent Claim
303 words
AN APARATUS FOR INCREASING THE THICKNESS OF WATER AND WATER-BORNE SLUDGE WHICH MAY BE PENETRATED BY ELECTRONS OF A GIVEN ENERGY AND FOR THE OPTIMIZATION OF THE RADIO-CHEMICAL AND RADIO-BIOLOGICAL EFFECTS OF SUCH PENETRATION BY SUCH ELECTRONS ON SUCH WATER AND WATER-BORNE SLUDGE, INCLUDING AT LEAST ONE MACHINE SOURCE OF A CONTINOUS BEAM OF ELECTRONS, A METAL ENCLOSED REGION ADAPTED TO RECEIVE THE WATER AND WATERBORNE SLUDGE AND TRANSIT THE WATER AND WATER -BORNE SLUDGE THEREFROM, MEANS FOR INJECTING AN OXYGEN CONTAINING A GAS INTO THE METAL ENCLOSED REGION AT A RATE SUFFICIENT TO DIMINISH THE AVERAGE DENSITY OF THE WATER AND WATER-BORNE SLUDGE BY AT LEAST A FACTOR OF TWO AND TO AUGMENT THAT PERCENTAGE OF THE TOTAL CHEMICAL OXYGEN DEMAND OF THE WATER AND WATER-BORNE SLUDGE PRESENT IN WATER AND WATER-BORNE SLUDGE MIXTURE WHICH IS SUPPLIED BY AVAILABLE OXYGEN, A CONSTRICTED REGION WHOSE CROSS-SECTION PERPENDICULAR TO THE DIRECTION OF WATER FLOW IS GENERALLY A NARROW BUT EXTENDED RECTANGLE, AT LEAST ONE EXETENDED SIDE THEREOF BEING FORMED OF A THIN METAL WALL, THE NON-EXTENDED SIDES THEREOF BEING OF A LENGTH LESS THAN THE MAXIMUM RANGE OF THE ELECTRONS EMITTED BY THE MACHINE SOURCE IN THE GAS CONTAINING WATER, AND MEANS FOR INJECTING THE HIGH ENERGY ELECTRONS THROUGH THE THIN WALLED REGIONS SUBSTANTIALLY UNIFORMLY ALONG THE LENGTH DIMENSION THEREOF AND INTO THE GAS CONTANING WATER, THE PENETRATION OF THE ELECTRONS INTO SAID GAS CONTAINING WATER BEING INCREASED BY AT LEAST A FACTOR OF TWO OVER THAT POSSIBLE IN THE WATER ALONE, THE GEOMETRY OF THE CONSTRICTED REGION AND THE DISTRIBUTION AND ENERGY OF THE INJECTED ELECTRONS BEING SUCH THAT THE ABSORBED ENERGY THROUGHOUT THE GAS CONTAINING WATER IS WITHIN A FACTOR OF TWO OF THE AVERAGE ABSORBED ENERGY, AND THE RADIATION EFFECT OF THE ELECTRONS BEING OPTIMIZED BY THE PRESENCE OF SUFFICIENT OXYGEN.
Claim 3
Dependent Claim
15 words
The apparatus according to claim 1 wherein the gas is air at supra atmospheric pressure.
Claim 4
Dependent Claim
11 words
The apparatus according to claim 1 wherein the gas contains oxygen.
Claim 5
Dependent Claim
18 words
The apparatus according to claim 1 wherein the electrons have energies in excess of 300 kilo electron vOlts.
Claim 6
Dependent Claim
40 words
The apparatus according to claim 1 further including means positioned in the metal enclosed region for mechanically stirring the water to assist in the dissolution of the gas into the water and to break up large particles within the water.
Claim 7
Dependent Claim
29 words
The apparatus according to claim 1 wherein the region beyond the constricted region expands gradually into a cross-sectional area at least four times the area of the constricted region.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |