Title: Method for removing waste acid and waste slag from the titanium dioxide production by sulfuric acid method
Application Number: 93118849 Application Date: 1993.10.09
Publication Number: 1101637 Publication Date: 1995.04.19
Approval Pub. Date: Granted Pub. Date: 2001.04.04
International Classifi-cation: C05B11/00,C05B11/08
Applicant(s) Name: Ning Jiabao Address: 710014
Inventor(s) Name:
Attorney & Agent: ZHANG JINJI
Abstract:
     The invention makes the waste weak acid liquid into a strong one by introducing catalyst to raise its concentration so as to accelerate generation and raise quality of fertilizer and disposes the waste residue into the fertilizer to improve its overall quality. The fertilizer made by this method contains high phosphorus content and other favorable elements for plant absorption and has such advantages of simple method, low cost and high effect.
Time: 6