Ammonia separation using semipermeable membranes

Details Ammonia separation using semipermeable membranes Ammonia separation using semipermeable membranes

B - Operations, Transporting

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B01D 53/22 (2006.01) B01D 61/38 (2006.01) B01D 63/00 (2006.01) B01D 69/14 (2006.01) B01D 71/38 (2006.01) C01C 1/02 (2006.01) C01C 1/04 (2006.01) C01C 1/10 (2006.01) C01C 1/12 (2006.01) C01C 3/02 (2006.01)

Patent

CA 1304697

PATENT 271-P-US03594 ABSTRACT The present invention is a process for separating ammonia from mixtures of other gases or from aqueous streams. The ammonia-containing mixture is contacted with a membrane containing, as the active component, a salt having the structural formula: NR? X-, wherein each R is independently H or a straight chain or branched alkyl group and X- is an organic or inorganic anion. The said membrane is useful for the selective permeation of ammonia from mixtures of gases containing ammonia, nitrogen and hydrogen.

567740

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