SIMULTANEOUS STRIPPING AND EXTRACTION FOR RECOVERY OF AMMONIA FROM SOUR WATER

Liquid cation exchangers extract ammonia effectively from aqueous ammonium bicarbonate solutions. D2EHPA is an effective extractant for ammonia. Compounds with available OH groups are desirable modifiers to add to the diluent for D2EHPA, subject to the need for sustaining sufficient NH/sub 3/ volatility for regeneration. Simultaneous stripping and selective solvent extraction of an aqueous solution of NH/sub 3/ and CO/sub 2/ does produce the desired results of enhanced CO/sub 2/ volatility and isolation of NH/sub 3/ from CO/sub 2/.