The green sulphoaluminate cement was burned by the direct method with adding Cr2O3.

Turbidity removal of summer Taihu Lake raw water using composite coagulants of aluminum sulfate and polydimethyldiallylammonium chloride;

The research progress of technique of iron-removing from aluminum sulfate in China;

Preparation of 4A molecular sieves,activated clay and aluminum sulfate with the exhausted acid of bentonite;

Study on the production of aluminium ammonium sulfate from phosethyl-Al waste liquor;

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.

Formation kinetics of high-temperature phase sulphoaluminate;

Study of sulfur-fixing characteristics of sulphoaluminate in different atmosphere at high temperature;

Study of high temperature phase of sulphoaluminate for desulfuration;

Study on properties of Portland cement modified with calcium sulphoaluminate;

Testing methods such as chemical analysis, X-ray diffraction and differential scanning calorimetry were used to study the influence of Fe2O3 on the formation of anhydrous calcium sulphoaluminate ( C 4 A 3S ).

The kinds,shapes and quantities of hydration products and the ion concentration in pore solution were investigated during hydration of fly ash or slag portland cement containing calcium sulphoaluminate by differential scanning calorimetry-thermogravimetry analysis,scanning electron microscope and chemical analysis.