Experimental study on defluorination of dilute wet-process phosphoric acid by addition of soda ash or caustic soda;

Technical measures for reducing production costs of feed-grade calcium hydrogen phosphate by dilute phosphoric acid method

Study on recovery iodine from wet-process phosphoric acid by solvent flotation;

Study on the decolorization of wet-process phosphoric acid with activated carbon;

Extraction system of purifying wet-process phosphoric acid with solvent extraction method;

Then hydrochloric acid method,kiln method and wet-process phosphoric acid(WPA) were introduced.

Study on production of potassium ammonium phosphate with wetprocess phosphoric acid;

A novel purification process of wet process phosphoric acid by ion sieve;

Approach to SA-saving in production of wet process phosphoric acid;

Study on synthesis of urea phosphate from wet process phosphoric acid with suspended purification method;