- 专利标题: Process for ethylene polymerization with improved slurry pump performance
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申请号: US15309158申请日: 2015-05-13
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公开(公告)号: US09650454B2公开(公告)日: 2017-05-16
- 发明人: Harald Prang , Suresh Babu Vatti , Peter Rohrbach , Mudit Ashtana
- 申请人: Basell Polyolefine GmbH
- 申请人地址: DE Wesseling
- 专利权人: Basell Polyolefine GmbH
- 当前专利权人: Basell Polyolefine GmbH
- 当前专利权人地址: DE Wesseling
- 优先权: EP14169075 20140520
- 国际申请: PCT/EP2015/060568 WO 20150513
- 国际公布: WO2015/177014 WO 20151126
- 主分类号: C08F110/02
- IPC分类号: C08F110/02 ; C08F2/01 ; C08F2/12 ; B01J19/18 ; B01J19/00 ; C08F2/14
摘要:
A slurry polymerization process comprising polymerizing monomers in a reactor comprising baffles, a first slurry feed line for returning cooled slurry from a cooler and optionally a second slurry feed line for transferring reactor slurry from a previous reactor of a cascade of polymerization reactors, wherein the baffle top, the first slurry feed line discharge end and the second slurry feed line end are located below the reactor liquid level.
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