发明名称 |
Ammonia purification method. |
摘要 |
A method of purifying ammonia comprising introducing an ammonia stream into a membrane permeable to ammonia to produce a permeate stream comprising purified ammonia and a retentate stream comprising impurities from the ammonia stream; wherein the ammonia stream is introduced into the membrane at a temperature within a range of between about minus 30 DEG C, and about 10 DEG C. and at a pressure selected such that said ammonia at the temperature will not liquefy. <IMAGE> |
申请公布号 |
ZA200003123(B) |
申请公布日期 |
2001.01.24 |
申请号 |
ZA20000003123 |
申请日期 |
2000.06.21 |
申请人 |
THE BOC GROUP, INC. |
发明人 |
WENCHANG JI;ARTHUR I. SHIRLEY;ATUL M. ATHALYE;PIOTR SADKOWSKI |
分类号 |
B01D53/22;B01D71/32;B01D71/36;B01D71/44;B01D71/82;C01C1/02 |
主分类号 |
B01D53/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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