Some New Features on Synthesis of Titanium Silicalite-1 in a Non-TPAOH Inorganic Reactant Synthetic System |
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| Authors: | Yong Ding Qiang Gao Bin Wang Guixian Li Liang Yan Jishuan Suo |
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| Affiliation: | (1) State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, The Chinese Academy of Sciences, Lanzhou, 730000, People’s Republic of China;(2) State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, The Chinese Academy of Sciences, Lanzhou, 730000, People’s Republic of China;(3) Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, People’s Republic of China |
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| Abstract: | Various effects on the synthesis of titanium silicalite-1 (TS-1) were discussed in the non-TPAOH (tetrapropyl ammonium hydroxide) inorganic reactant synthesis system, in which cheap colloidal silica and TiCl3 aqueous solution, TiCl4 were used as the silicon and titanium sources, respectively, TPABr (tetrapropyl ammonium bromide) as the template reagent, and weak organic bases as the base source to provide the alkalinity needed for crystallization. The influence of diverse synthesis parameters such as different base sources, SiO2/TiO2 ratio, silicon source, titanium source, amounts of template, N2 protection, seed crystals, aging period, amount of water, crystallization temperature, and crystallization time have been investigated in detail. |
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| Keywords: | titanium silicalite-1 non-TPAOH synthesis system base source crystallization aging |
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