发明名称 |
CATALYST FOR METHACRYLIC ACID PRODUCTION, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING METHACRYLIC ACID |
摘要 |
Disclosed is a method for producing a catalyst for producing methacrylic acid by subjecting methacrolein or the like to vapor phase catalytic oxidation, which contains, as essential active components, Mo, V, P, Cs, NH 4 and Cu, the method including (a) a step of preparing a heteropoly acid aqueous solution or the like (A liquid) containing, as constituent elements, Mo, P and V; (b) a step of mixing a part of the resulting A liquid with a cesium compound aqueous solution or the like (B liquid); and (c) a step of mixing the remainder of the A liquid with the B liquid to prepare a slurry liquid (C liquid). |
申请公布号 |
EP2979757(A4) |
申请公布日期 |
2017.01.25 |
申请号 |
EP20140775852 |
申请日期 |
2014.03.24 |
申请人 |
Nippon Kayaku Kabushiki Kaisha |
发明人 |
SAKAI, Hideomi;KONNO, Yosuke;EJIRI, Tomoyuki;NISHIMURA, Eiji |
分类号 |
B01J27/199;B01J37/00;B01J37/04;B01J37/08;C07B61/00;C07C51/235;C07C57/055 |
主分类号 |
B01J27/199 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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