The study of the effect of calcium in calcium aluminate ore Powder on the product property of aluminum - calcium saltcoagulants;

Study on the preparation of PAC coagulant from bauxite and calcium aluminate;

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.

Formation and controlling of calcium-aluminates inclusions in bearing steel;

The relationship between calcium activity (α[Ca]) and aluminum content was analyzed by thermodynamic calculation to guarantee inclusions in liquid region after calcium treatment for X80 pipeline steel,and the α[Ca] ranges were determined to obtain liquid calcium-aluminates inclusions.

This paper offers some explanations on how physical and chemical conditions in tricalcium aluminate production govern desirable properties.

The early hydration properties of tricalcium aluminate prepared by solgel method in pure water was discussed.

Combining with thermodynamics concerning formation of calcium sulfoaluminate,the.

This paper has researched the effect of grain grading on expansive agent performance,the conclusion is:better performance of expansive agent can be achieved when the calcium sulfoaluminate,calcium aluminate clinker grain<45μm,anhydrite grain between 45μm～80μm.

In allusion to the problem which is well known that the desulfurization rate is low and traditional desulfuration production CaSO_4 is easy to decompose during coal briquette combustion at high temperature(>1050℃),the formation of high-temperature desulfurization phase calcium sulfoaluminate (C_4A_3S) was studied and developed systematically.