发明名称 |
COOLING AND PURIFICATION OF GAS STREAMS |
摘要 |
Disclosed is a method for purifying and cooling a dialkyl ester A) of a gas stream containing aromatic dicarboxylic acid. Said method is characterized in that the gas stream is treated with an aliphatic dihydroxy compound B) above the melting point of the dialkyl ester A) in a first stage while the gas stream is treated with an aliphatic dihydroxy compound B) above the melting point of the dihydroxy compound B) in at least one second stage.
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申请公布号 |
KR20050114272(A) |
申请公布日期 |
2005.12.05 |
申请号 |
KR20057019089 |
申请日期 |
2005.10.07 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HECKMANN MANFRED;HOELEMANN KARL;LOENING JAN MARTIN;HEITZ THOMAS |
分类号 |
B01D53/14;C07C67/48;C07C67/52;C08G63/181;C08G63/78;(IPC1-7):C07C67/48;C07C67/54;C07C69/52 |
主分类号 |
B01D53/14 |
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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