EP0101183A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Synthesis of ZSM-5 and ZSM-11 utilizing a mixture of quaternary ammonium ions and amines
Assignee: Mobil Oil AS
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Filing: 1983-07-13
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Granted: —
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Expires: 2003-07-13
Abstract
Abstract A process for the preparation of ZSM-5 and ZSM-11 utilising a mixture of both quaternary ammonium ions and amines in the forming solution in order to enhance the rate of crystallisation.
Inventors
- 👤 Robert Bruce Calvert
- 👤 Louis Deane Rollmann
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 11:04
CPC Classifications
C; C01; C01B; C01B39/00; C01B39/02; C01B39/36; C01B39/38; C01B39/40; C01B37/00; C01B37/02; C01B39/365; Y; Y10; Y10S; Y10S423/00; Y10S423/22; Y10S423/29
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
86 words
1 . A process of manufacturing zeolite ZSM-5 or zeolite ZSM-11 from an aqueous forming solution comprising a source of silica and a nitrogenous template characterised in that as said nitrogenous template both a quaternary ammonium compound and an amine are employed, the molar ratio of quaternary ammonium compound to silica being from 0.001 to 0.04, the molar ratio of amine to silica from 0.02 to 0.18 and the molar ratio of both the quaternary ammonium compound and the amine to silica from 0.02 to 0.22.
Claim 2
Dependent Claim
86 words
1 . A process of manufacturing zeolite ZSM-5 or zeolite ZSM-11 from an aqueous forming solution comprising a source of silica and a nitrogenous template characterised in that as said nitrogenous template both a quaternary ammonium compound and an amine are employed, the molar ratio of quaternary ammonium compound to silica being from 0.001 to 0.04, the molar ratio of amine to silica from 0.02 to 0.18 and the molar ratio of both the quaternary ammonium compound and the amine to silica from 0.02 to 0.22.
Claim 3
Dependent Claim
16 words
A process according to claim 1 wherein the forming solution also contains a source of alumina.
Claim 4
Dependent Claim
21 words
A process according to claim 1 or claim 2 wherein the quaternary ammonium compound is a tetrapropylammonium, tetrabutylammonium or tetrabutylphosphonium compound.
Claim 5
Dependent Claim
47 words
A process according to any preceding claim wherein the amine has the formula R 1 R 2 R 3 N wherein R 1 and R 2 are hydrogen or lower alkyl of from 2-8 carbon atoms and R 3 is lower alkyl of from 2-8 carbon atoms.
Claim 6
Dependent Claim
24 words
A process according to any preceding claim where the amine is n-butylamine, tripropylamine, ethylamine, n-propylamine, i-propylamine, diethylamine, di-n-propylamine, di-i-propylamine, di-n-butylamine, triethylamine, tripropylamine, or tributylamine.
References Cited (Backward Citations)
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