Removal of organic cations from polar fluids

Details Removal of organic cations from polar fluids Removal of organic cations from polar fluids

B - Operations, Transporting

01

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182/11

B01D 15/04 (2006.01) B01D 15/00 (2006.01) C02F 1/28 (2006.01)

Patent

CA 2031600

ABSTRACT Cationic organic impurities such as ternary sulfonium ions and quaternary ammonium and phosphonium compounds are effectively removed from polar liquids such as water or water/alcohol mixtures by contacting the polar liquid with an absorbent comprising a trini- troarenol such as a picric acid. This method is par- ticularly effective for removing such cationic impuri- ties from polar liquids containing organic zwitterions. 37,417-F

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