Review on production process of industrial ammonium dihydrogen phosphate from wet-process phosphoric acid
Several production processes of industrial ammonium dihydrogen phosphate from wet-process phosphoric acid are reviewed,including traditional chemical method,improved chemical method,chemical cleaning and solvent extraction combined removing impurities process,wet-process phosphoric acid purification process,chemical cleaning and solvent extraction combined prepare,extraction with hydrochloric acid process.The production process of each process is introduced,the advantages and disadvantages of each production process are analyzed.It is proposed that manufacturers should choose the appropriate process according to the actual situation.
wet-process phosphoric acid (WPA)industrial ammonium dihydrogen phosphateprocess flowadvantages and disadvantages