MWW TYPE ZEOLITE SUBSTANCE, PRECURSOR SUBSTANCE THEREFOR, AND PROCESS FOR PRODUCING THESE SUBSTANCES

申请公布号：EP1485321(B1)

申请号：EP20030707103

申请日期：2003.02.26

申请公布日期：2010.04.28

申请人：

SHOWA DENKO K.K.

发明人：TATSUMI, TAKASHI;WU, PENG;TSUJI, KATSUYUKI

分类号：C01B37/08;C01B39/48;C01B33/36;C01B37/00;C01B39/04;C01B39/08

主分类号：C01B37/08

摘要：A process for easily synthesizing a zeolite substance containing an element having a large ionic radius in the framework at a high ratio. This process comprises the following first to fourth steps: First Step: a step of heating a mixture containing a template compound, a compound containing a Group 13 element of the periodic table, a silicon-containing compound and water to obtain a precursor (A); Second Step: a step of acid-treating the precursor (A) obtained in the first step; Third Step: a step of heating the acid-treated precursor (A) obtained in the second step together with a mixture containing a template compound and water to obtain a precursor (B); and Fourth Step: a step of calcining the precursor (B) obtained in the third step to obtain a zeolite substance.

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