| 发明名称 |
PROCESS FOR THE PRODUCTION OF PURIFIED TEREPHTHALIC ACID |
| 摘要 |
Disclosed is a process for the production of terephthalic acid by a pluralit y of process steps including the catalyst oxidation of a dialkylbenzene compound, a second oxidation, a hydrogenation of the product of the second oxidation, and crystallization of the hydrogenation terephthalic acid using a plurality of series-connected crystallizers.
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| 申请公布号 |
CA2417691(C) |
申请公布日期 |
2009.09.29 |
| 申请号 |
CA20022417691 |
申请日期 |
2002.06.04 |
| 申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
SHEPPARD, RONALD BUFORD;LIN, ROBERT;O'MEADHRA, RUAIRI SEOSAMH |
| 分类号 |
B01D9/02;C07C51/43;C07B61/00;C07C51/265;C07C51/487;C07C63/26 |
主分类号 |
B01D9/02 |
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