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公开(公告)号:KR1020030035199A
公开(公告)日:2003-05-09
申请号:KR1020010067159
申请日:2001-10-30
Applicant: 한국화학연구원
CPC classification number: B01J37/0009 , B01J29/061 , B01J35/004 , B01J37/04
Abstract: PURPOSE: Provided are a photocatalyst capable of obtaining methane and methanol from carbon dioxide with high efficiency and a method for fabricating the same. CONSTITUTION: The method comprises the steps of (a) mixing acid of pH 0.5-3 with three-block copolymer of oxirane(ethylene oxide)-methyloxirane (propylene oxide)-oxirane(ethylene oxide), (b) mixing titanium precursor with tetraethylorthosilicate with silica : titanium mol ratio of 20-400 : 1, (c) mixing the solution (a) with the solution (b), and (d) drying and calcining the solution mixture.
Abstract translation: 目的:提供能够高效率地从二氧化碳获得甲烷和甲醇的光催化剂及其制造方法。 方案:该方法包括以下步骤:(a)将pH为0.5-3的酸与环氧乙烷(环氧乙烷) - 甲基环氧丙烷(环氧丙烷) - 环氧乙烷(环氧乙烷)的三嵌段共聚物混合,(b)将钛前体与原硅酸四乙酯 二氧化硅:钛摩尔比为20-400:1,(c)将溶液(a)与溶液(b)混合,和(d)干燥和煅烧溶液混合物。