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公开(公告)号：WO2019141521A1
公开(公告)日：2019-07-25
申请号：PCT/EP2019/050125
申请日：2019-01-04
Applicant: BASELL POLIOLEFINE ITALIA S.R.L.
Inventor： DI FEDERICO, Pier Luigi , DE ZEEUW, Martin Andries
Abstract: The present disclosure describes an apparatus and a method to withdraw samples from a polymerization plant. Use is made of a defined sequence of steps, that, combined with locking devices associated with selected valves opened only by a single key, mitigate the risk of human error and provide optimum operational safety.
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公开(公告)号：EP4372016A1
公开(公告)日：2024-05-22
申请号：EP22208336.2
申请日：2022-11-18
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： BALESTRA, Enrico , MAZZUCCO, Antonio , DI FEDERICO, Pier Luigi , PANTALEONI, Roberto , CAPISANI, Paolo
IPC: C08F110/06 , C08F2/01 , C08F2/00 , C08F4/651
CPC classification number: C08F110/06
Abstract: A process for the preparation of polyolefins comprising the step of polymerizing an olefin in the liquid phase in the presence of a polymerization catalyst and of an antistatic composition, wherein the polymer slurry is conveyed in a transfer line comprising a horizontal section and a series of vertical sections connected by bent sections, with the antistatic composition injected in the first portion of the first section of the series of vertical sections.
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公开(公告)号：EP3740747A1
公开(公告)日：2020-11-25
申请号：EP19700051.6
申请日：2019-01-04
Applicant: Basell Poliolefine Italia S.r.l.
Inventor： DI FEDERICO, Pier Luigi , DE ZEEUW, Martin Andries
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