发明名称 |
PROCESS FOR THE MANUFACTURE OF ETHYLENE DICHLORIDE (EDC), AND PROCESS FOR THE MANUFACTURE OF VINYL CHLORIDE MONOMER (VCM) AND OF POLYVINYL CHLORIDE (PVC) |
摘要 |
Process for the manufacture of EDC or Ethylene Di-Chloride by chlorination and/or oxychlorination of ethylene, said process comprising the purification of an EDC stream according to the following steps :
- eventually removing the lower boiling impurities from the EDC stream so as to generate a stream of EDC substantially free from lower boiling impurities ;
- feeding this EDC stream to a heavy ends distillation column so as to get a top stream of substantially pure EDC and a bottom stream comprising higher boiling impurities and EDC,
wherein the EDC stream fed to the heavy ends distillation column is at least partly heated up by a heater using waste heat available in the EDC manufacturing process itself or in a subsequent pyrolysis step of said EDC into vinyl chloride monomer or VCM or in an oxychlorination unit of ethylene to EDC. |
申请公布号 |
EP2935164(A1) |
申请公布日期 |
2015.10.28 |
申请号 |
EP20130801591 |
申请日期 |
2013.12.09 |
申请人 |
SOLVAY SA |
发明人 |
DEGRAEVE, PAUL JULIUS;MARTIN CARNICERO, MARIA |
分类号 |
C07C17/02;C07C17/156;C07C17/25;C07C19/045;C07C21/06 |
主分类号 |
C07C17/02 |
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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