Study on Manufacture of Poly-sulphur by Molten Method;

The poly-sulphur ,also called the insoluble sulphur (IS),is the linear polymer of sulphur ,and is mainly used as the top quality vuleanizing agent of the rubber.

The process flow of recovery and recycle of sulfuric acid and the preparation of the aluminium ammonium sulfate and the polyaluminium sulfate by using aluminium salts in acidic waste water were prososed.

Montmorillonitepolyaluminium sulfate flocculant, a new type of mixed flocculant, is prepared on the basis of raw montmorillonite, and its flocculating effect is investigated in the treatment of three industrial contaminated water containing high organic pollutants.

The essay makes a study on the development process condition of polyaluminium sulfate made from aluminium sulfate and calcium aluminate cement.

Synthesis and application of polymeric ferric sulfate;

Application of polymeric ferric sulfate to the treatment of surfactant wastewater;

Experimental Study of Purifing Seawater of Bohai Bay Using Non-toxic PFS;

Study on the preparation of PFS from iron-rich slag and concentrated sulfuric acid;

STUDY ON THE SYNTHESIS OF PFS AND ITS SYNTHESIS ENVIRONMENT;

Study on complexing technics of polysilicon acid and polyferric sulfate;

Preparation of polyferric sulfate from waste acid from making titanium dioxide and scrap iron;

Preparation of polyferric sulfate from pyrite cinder;