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A three-dimensional sponge-like mesoporous, Ti-TUD-1 catalyst was synthesized by a direct hydrothermal treatment method. Its synthesis was modified to introduce more tetrahedral-coordinated Ti species into the framework of TUD-1 matrix, by controlling the hydrolysis of titanium and silicon sources. The TUD-1 catalyst was characterized by XRD, FT-IR, ICP-AES, UV-Raman, UV–vis DRS, BJH/BET and 29Si...
Alumina is the raw material in the aluminum electrolysis industry. The dissolution property of alumina is an important index. Generally, faster dissolution rate and higher solubility are required. In this paper, the dissolution behavior of six types of industrial alumina samples in cryolite-based melts was studied by using a quartz transparent cell. Furthermore, the influencing factors on the dissolution...
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