发明名称 METHOD FOR RECOVERING METHYL ACETATE AND RESIDUAL ACETIC ACID IN THE PRODUCTION OF PURE TEREPHTHALIC ACID
摘要 A method for recovering methyl acetate and residual acetic acid in a two-sta ge process for producing pure terephthalic acid having a first oxidation stage and a second purification stage.
申请公布号 CA2337502(C) 申请公布日期 2009.03.24
申请号 CA19992337502 申请日期 1999.07.26
申请人 E.I. DU PONT DE NEMOURS AND COMPANY 发明人 PARTEN, WILLIAM DAVID
分类号 C07C51/43;C07C51/265;C07C51/487;C07C63/26 主分类号 C07C51/43
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