Zeolite membrane separation and recovery system for co2
AssigneesJx Nippon Oil & Energy Corporation, Hitachi Zosen Corporation
InventorsKen-ichi Sawamura, Masanobu Aizawa, Takehiro Shimizu
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Abstract
To provide a CO2 membrane separation and recovery system that is excellent in CO2 permeability and CO2 separation. selectivity on recovery of CO2 in a hydrogen production process and the like. The CO2 membrane separation and recovery system of the present invention comprises a dehydration treatment module (2) preliminary to a CO2 membrane separation module (1), the CO2 membrane separation module (1) comprises a hydrophilic zeolite membrane (3) that exhibits CO2 selective permeability and is formed on a porous substrate, and the hydrophilic zeolite membrane (3) is subjected to a dehydration treatment by a heat treatment at from 100 to 800° C.
Claims18
A CO2 membrane separation and recovery system comprising a dehydration means preliminary to a CO2 membrane separation means, the CO2 membrane separation means comprising a hydrophilic zeolite membrane that exhibits CO2 selective permeability and is formed on a porous substrate, and the hydrophilic zeolite membrane being subjected to a dehydration treatment by a heat treatment at from 100 to 800° C.
Dependencies are inferred from the claim text.