Title: Method of caustic soda made by trona
Application Number: 88104523 Application Date: 1988.07.26
Publication Number: 1039780 Publication Date: 1990.02.21
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C01D1/22
Applicant(s) Name: Guo Xiangsi Address:
Inventor(s) Name:
Attorney & Agent:
Abstract:
     The invention uses trona and lime as material to produce caustic soda. The procedure includes preparing lime white, causticizing, settling, cold-removing salt and boiling. The quality of produced caustic soda is good. Comparing with diaphragm process and mercury electrolyzer technique the technique is simple.
Time: 5