Title: Production process of enriched superphosphate
Application Number: 92109010 Application Date: 1992.07.27
Publication Number: 1069718 Publication Date: 1993.03.10
Approval Pub. Date: Granted Pub. Date: 1996.09.04
International Classifi-cation: C05B1/04
Applicant(s) Name: Yunnan Phosphorus Co. Address: 650041
Inventor(s) Name: Xiang Yaoming, Zhang Zhao
Attorney & Agent: CHEN ZUO
Abstract:
     This invention belongs to the productive technique of phosphorus fertilizer. It is produced by using a mixed acid of phosphoric acid and sulphuric acid with a mixed concentration of 64-70% and then phosphorous ore powder is mixed according to a definite proportion through solidification, stacking and curing for a definite time. This invention has the advantages of simple and stable production control process, reliable production equipment, low investment and quick effect.
Time: 4