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CATALYST AND METHOD FOR PURIFYING CRUDE TEREPHTHALIC ACID, ISOPHTHALIC ACID OR NAPHTHALENE DICARBOXYLIC ACID
CATALYST AND METHOD FOR PURIFYING CRUDE TEREPHTHALIC ACID, ISOPHTHALIC ACID OR NAPHTHALENE DICARBOXYLIC ACID
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机译:用于纯化粗对苯二甲酸,间苯二甲酸或萘二羧酸的催化剂和方法
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摘要
A method is disclosed for the purification of crude terephthalic acid, crude isophthalic acid or a crude naphthalene dicarboxylic acid that employs a titanium dioxide-supported purification catalyst.
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