Title:
NEUTRALIZATION BY ACIDIC GAS
Document Type and Number:
Japanese Patent JPS5235796
Kind Code:
A
Abstract:
PURPOSE: NaOH solution containing sodium aluminate is reacted with sodium silicate to form sodium alumino-silicate and NaOH. During the separation of sodium alumino-silicate from NaOH solution with centrifugal separator, NaOH attached on fine powder of sodium aluminosilicate is efficiently neutralized.
Inventors:
UMEHARA YOSHIO
Application Number:
JP11169675A
Publication Date:
March 18, 1977
Filing Date:
September 17, 1975
Export Citation:
Assignee:
SHOWA KOKI KK
International Classes:
C01D1/32; C01B33/26; C01B39/02; (IPC1-7): C01D1/32