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US4421676A Process for preparation of palladium on carbon catalysts used in the purification of crude terephthalic acid 失效
用于粗对苯二甲酸纯化的钯碳催化剂的制备方法

Process for preparation of palladium on carbon catalysts used in the purification of crude terephthalic acid
摘要：
A catalyst and process for purifying crude terephthalic acid wherein the catalyst is prepared by contacting a carbonaceous support with an aqueous solution of sodium tetranitropalladate.
摘要（中）：

用于纯化粗对苯二甲酸的催化剂和方法，其中催化剂通过使碳质载体与四硝酸铵的水溶液接触来制备。

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