Title:
TREATING METHOD FOR REGENERATION WASTE SOLUTION FORMED IN ION EXCHANGE
Document Type and Number:
Japanese Patent JPS5367675
Kind Code:
A
Abstract:
PURPOSE: To receover NH3 as a valuable solid material and to reutilize the separated solution repeatedly as regenerating solution by addition of magnesium oxide (hydroxide) or magnesium salt and phosphoric acid (phosphate) to waste solution formed in regeneration of a mineral of zeolite series having adsorbed NH3, and by separation of the precipitate formed.
Inventors:
KATAOKA KATSUYUKI
Application Number:
JP14375876A
Publication Date:
June 16, 1978
Filing Date:
November 30, 1976
Export Citation:
Assignee:
EBARA INFILCO
International Classes:
C02F1/28; B01J49/00; C02F1/58; (IPC1-7): B01J1/09; C02C5/02