EP0196103A2
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EP
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Maximum aluminum X-type zeolite adsorbents
Assignee: Air Products and Chemicals Inc
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Filing: 1986-03-27
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Granted: —
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Expires: 2006-03-27
Abstract
Abstract Maximum Aluminium X-type zeolite, when properly activated, is found to be an exceptionally high capacity, highly selective adsorbent, especially in the separation of nitrogen from nitrogen-containing mixtures by selective adsorption.
Inventors
- 👤 Steven Mitchell Kuznicki
- 👤 Charles Gardner Coe
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-03 06:11
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/04; C01B21/0405; C01B21/0433; C01B21/045; C01B21/0455; C01B21/0466; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
31 words
A polyvalent ion exchanged adsorbent composition comprising at least 50% by weight Maximum Aluminum X-type zeolite, said zeolite having a majority of its exchangeable ion capacity in the dehydrated/dehydroxylated polyvalent form.
Claim 2
Dependent Claim
31 words
A polyvalent ion exchanged adsorbent composition comprising at least 50% by weight Maximum Aluminum X-type zeolite, said zeolite having a majority of its exchangeable ion capacity in the dehydrated/dehydroxylated polyvalent form.
Claim 3
Dependent Claim
22 words
The adsorbent composition of Claim 1 wherein said polyvalent ion is selected from the group of alkaline earth cations and mixtures thereof.
Claim 4
Dependent Claim
16 words
The adsorbent composition of Claim 1 comprising at least 70% by weight Maximum Aluminum X-type zeolite.
Claim 5
Dependent Claim
25 words
The adsorbent composition of Claim 1 wherein said Maximum Aluminum X-type zeolite portion has at least 70% of its exchangeable capacity in the calcium form.
Claim 6
Dependent Claim
25 words
The adsorbent composition of Claim 1 wherein said Maximum Aluminum X-type zeolite portion has at least 90% of its exchangeable capacity in the calcium form.
Claim 7
Dependent Claim
25 words
The adsorbent composition of Claim 1 having an N 2/ 0 2 selectivity (from air at one atmosphere pressure and 30°C) of at least 8.0.
Claim 8
Dependent Claim
25 words
The adsorbent composition of Claim 1 having an N 2/ 0 2 selectivity (from air at one atmosphere pressure and 30°C) of at least 9.0.
Claim 9
Dependent Claim
25 words
The adsorbent composition of Claim 1 having an N 2/ 0 2 selectivity (from air at one atmosphere pressure and 30°C) of at least 10.0.
Claim 10
Dependent Claim
25 words
The adsorbent composition of Claim 1 having an N 2/ 0 2 selectivity (from air at one atmosphere pressure and 30°C) of at least 11.0.
Claim 11
Dependent Claim
25 words
The adsorbent composition of Claim 1 having an N 2 Capacity (from air at one atmosphere pressure and 30°C) of at least 0.80 m mol/g.
Claim 12
Dependent Claim
25 words
The adsorbent composition of Claim 1 having an N 2 Capacity (from air at one atmosphere pressure and 30°C) of at least 0.90 m mol/g.
Claim 13
Dependent Claim
25 words
The adsorbent composition of Claim 1 having an N 2 Capacity (from air at one atmosphere pressure and 30°C) of at least 1.00 m mol/g.
Claim 14
Dependent Claim
20 words
The use of the composition of Claim 1 in the adsorption of nitrogen from a mixture of gases containing nitrogen.
Claim 15
Dependent Claim
15 words
The use of the composition of Claim 1 in the adsorption of nitrogen from air.
Claim 16
Dependent Claim
52 words
In a process for the adsorption of nitrogen from nitrogen containing gases, the improvement which comprises contacting said nitrogen containing gases with a polyvalent ion exchanged composition containing at least 50% by weight Maximum Aluminum X-type zeolite, said zeolite having a majority of its exchangeable ion capacity in the dehydrated/dehydroxylated polyvalent form.
Claim 17
Dependent Claim
52 words
In a process for the adsorption of nitrogen from nitrogen containing gases, the improvement which comprises contacting said nitrogen containing gases with a polyvalent ion exchanged composition containing at least 50% by weight Maximum Aluminum X-type zeolite, said zeolite having a majority of its exchangeable ion capacity in the dehydrated/dehydroxylated polyvalent form.
Claim 18
Dependent Claim
19 words
The process of Claim 15 wherein at least 70% of said exchangeable capacity is in the dehydrated/dehydroxylated Calcium form.
Claim 19
Dependent Claim
19 words
The process of Claim 16 wherein at least 90% of said exchangeable capacity is in the dehydrated/dehydroxylated Calcium form.
Claim 20
Dependent Claim
32 words
The process of Claim 16 wherein said composition contains at least 70% by weight Maximum Aluminum X-type zeolite and at least 70% of said exchangeable capacity is in the dehydrated/dehydroxylated Calcium form.
Claim 21
Dependent Claim
19 words
The process of Claim 18 wherein at least 90% of said exchangeable capacity is in the dehydrated/dehydroxylated Calcium form.
Claim 22
Dependent Claim
32 words
The process of Claim 19 wherein said composition contains at least 90% by weight Maximum Aluminum X-type zeolite and at least 90% of said exchangeable capacity is in the dehydrated/dehydroxylated Calcium form.
References Cited (Backward Citations)
No citation records indexed.
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