发明名称 |
METHOD FOR CLEANING DEPOSITS FROM EQUIPMENT THAT HAVE ACCUMULATED DURING A METHOD FOR RECOVERING NMP, BY THE INTRODUCTION OF HOT WATER AND AGITATION |
摘要 |
A process is proposed for cleaning an apparatus to remove deposits from a process for the recovery of purified N-methylpyrrolidone (NMP) by evaporating NMP from a contaminated NMP stream which is obtained in a process for the extractive separation of acetylene from the reaction mixture of a partial oxidation of hydrocarbons after expulsion of the acetylene as a gas, wherein hot water is passed into the apparatus and is stirred.
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申请公布号 |
US2009260657(A1) |
申请公布日期 |
2009.10.22 |
申请号 |
US20050721827 |
申请日期 |
2005.12.08 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
ALEMANY AURELIE;VICARI MAXIMILIAN;KIRCHNER TANJA;STEGLICH FRANK |
分类号 |
B08B9/08 |
主分类号 |
B08B9/08 |
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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