Influence factors of agglomerative efficiency on sodium aluminate solution by ion membrane electrolysis;

Effect of silicon dioxide on the precipitation rate and particle size distribution of seeded precipitation proceeding in sodium aluminate solution;

Production of A1(OH)_3 by ion membrane electrolysis in sodium aluminate solution;

Thermodynamics of carbonization of aluminate solution;

Reaction behavior between calcium oxide or calcium hydroxide and aluminate solution with heavy caustic soda;

The aluminate solution from ahmina refiriery was desilicated with the ddition of calciumhydroalumocarbonate getting high silica index μ_(Si)(5000～10 000)． This solution was carbon-ated in two steps and special Al(OH)_3 with size below 1．0μm and pourity over 99．9％wasprepared．The optimum conditfions in wliich this Al(OH)_3 is prepared have been deter-mined.

Effects of dicarboxylic acids and silicon dioxide on the seeded precipitation of sodium aluminate solutions;

Nanofibrous γ-Al 2O 3 with very large pore volume was successfully prepared by precipitation from H 2O 2 and sodium aluminate solutions combined with dispersing and washing the precipitate with ethanol.

By several kinds of advanced techniques and DFT Quantum Chemical calcultions, the mechanism of the precipitation process under ultrasound in sodium aluminate solutions have been researched for the first time.

Effect of silicon-containing impurity on precipitation of sodium aluminate solution and interaction mechanism;

Effect of oleic acid on process of precipitation of sodium aluminate solution and interaction mechanism of oleic acid on surface of production Al(OH)_3;

The given method of desulphurization of sodium aluminate is CaO-additive.