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(2) In comparison with zeolites, mesostructured
materials show much faster formation rates. It takes only
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sieves can be formed in nonaqueous media. In many polar
organic solvents, like alcohols and tetrahydrofuran (THF),
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induced self-assembly (EISA) or the solvothermal synthesis
method. Water is however, necessary in the preparation
of zeolites. Without water, zeolites cannot be fully crystal-lized.
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