EP0184461A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Post-treatment of AMS-1B crystalline moleculaf sieve-based catalyst composition
Assignee: BP Corp North America Inc
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Filing: 1985-12-05
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Granted: —
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Expires: 2005-12-05
Abstract
Abstract A method to increase hydrocarbon conversion activity of a catalyst comprising an AMS-1B crystalline borosilicate molecular sieve incorporated into a matrix comprises contacting said composition at least once with an aqueous solution containing an ammonium salt and then drying and calcining the resulting composition.
Inventors
- 👤 David Lee Sikkenga
- 👤 Muin Shawki Haddad
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 21:57
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/86
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
46 words
A method to increase hydrocarbon conversion activity of a catalyst comprising a hydrogen form AMS-1B crystalline borosilicate molecular sieve incorporated into a matrix comprising contacting said composition at least once with an aqueous solution containing an ammonium salt and then drying and calcining the resulting composition.
Claim 2
Independent Claim
46 words
A method to increase hydrocarbon conversion activity of a catalyst comprising a hydrogen form AMS-1B crystalline borosilicate molecular sieve incorporated into a matrix comprising contacting said composition at least once with an aqueous solution containing an ammonium salt and then drying and calcining the resulting composition.
Claim 3
Dependent Claim
25 words
A method according to Claim 1 wherein the aqueous ammonium salt solution has a pH below about 8, preferably from about 7 to about 4.
Claim 4
Dependent Claim
20 words
A method according to Claim 1 or Claim 2 wherein the ammonium salt is a salt of a carboxylic acid.
Claim 5
Dependent Claim
24 words
A method according to Claim 1 or Claim 2 wherein the composition is contacted with an aqueous solution of ammonium acetate or ammonium nitrate.
Claim 6
Independent Claim
35 words
A method according to any preceding claim wherein the aqueous solution is between about 0.1 and 4.0 molar in ammonium salt and the catalyst composition is contacted therewith for about 0.1 to about 8 hours.
Claim 7
Independent Claim
26 words
A method according to any preceding claim wherein the catalyst composition comprises AMS-1B crystalline borosilicate molecular sieve incorporated into a matrix of alumina, silica or silica-alumina.
Claim 8
Dependent Claim
35 words
A method according to Claim 6 wherein the catalyst composition comprises from about 10 to about 95 wt.%, preferably from about 20 to about 80 wt.% AMS-1B incorporated into an alumina, silica or silica-alumina matrix.
Claim 9
Independent Claim
30 words
A method according to any preceding claim wherein the catalyst composition is contacted with ammonium acetate solution for about 0.1 to about 8 hours at about 0° to about 100°C.
Claim 10
Dependent Claim
37 words
A method according to Claim 8 wherein the catalyst composition is contacted with about 0.5 to about 3 molar aqueous solution of ammonium acetate at about 50° to about 100°C for about 15 to about 120 minutes.
Claim 11
Independent Claim
41 words
A method according to any preceding claim wherein the resulting composition is dried at about 50° to about 225°C for about 4 to about 20 hours and calcined at about 260° to about 850°C for about 4 to about 16 hours.
Claim 12
Dependent Claim
41 words
A method according to Claim 10 wherein the resulting composition is dried at about 125° to about 200°C for about 4 to about 16 hours and then calcined at about 425° to about 600°C for about 4 to about 16 hours.
Claim 13
Independent Claim
57 words
A method according to any preceding claim wherein a catalytically active ion or compound of Groups IB, IIA, IIB, IIIA, IIIB, IVB, VB, VIB, VIIB or VIII or rare earth elements or a combination thereof are placed onto the catalyst composition after said contact with an ammonium salt and subsequent drying and calcination of the resultant composition.
Claim 14
Dependent Claim
25 words
A method according to Claim 12 wherein nickel, molybdenum, tungsten, cobalt, cadmium, a noble metal or a combination thereof is placed onto the catalyst composition.
References Cited (Backward Citations)
No citation records indexed.
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