发明名称 |
Cooling and purification of gas streams |
摘要 |
Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at a temperature less than/equal to the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.
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申请公布号 |
US7959713(B2) |
申请公布日期 |
2011.06.14 |
申请号 |
US20050593333 |
申请日期 |
2005.03.17 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
LOENING JAN-MARTIN;HECKMANN MANFRED;HOELEMANN KARL;HEITZ THOMAS |
分类号 |
B01D47/00;B01D53/14;C07C67/52 |
主分类号 |
B01D47/00 |
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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