公开(公告)号：US09126878B1

公开(公告)日：2015-09-08

申请号：US14449443

申请日：2014-08-01

Applicant: Chevron Phillips Chemical Company LP

Inventor： Lei Ji ,  Ai-Fu Chang

IPC: C08F2/00 ,  C08F210/00 ,  C07C7/13 ,  B01D53/04 ,  C07C7/00 ,  C08F110/02

CPC classification number: B01D53/0462 ,  B01D53/0407 ,  B01D2253/102 ,  B01D2253/108 ,  B01D2253/116 ,  B01D2253/204 ,  B01D2256/24 ,  B01D2257/7022 ,  B01D2259/40043 ,  B01J8/085 ,  B01J8/087 ,  B01J19/00 ,  B01J2208/00212 ,  B01J2208/00274 ,  B01J2219/0004 ,  B01J2219/00837 ,  B01J2219/00842 ,  C07C7/12 ,  C07C7/13 ,  C08F110/02 ,  Y02P20/582 ,  C08F10/02 ,  C08F2/01 ,  C08F210/16 ,  C08F210/14 ,  C08F2/14 ,  C07C11/04

Abstract: A process for component separation in a polymer production system, comprising (a) separating a polymerization product stream into a gas stream and a polymer stream, (b) contacting the polymer stream with a purge gas to yield a purged polymer and a spent purge gas comprising purge gas, ethylene, and ethane, (c) contacting the spent purge gas with a temperature swing adsorber contactor (TSAC) to yield a loaded TSAC, wherein at least a portion of the ethylene is adsorbed by the TSAC at a first temperature to yield TSAC-adsorbed ethylene, wherein a portion of the ethane is adsorbed by the TSAC at the first temperature to yield TSAC-adsorbed ethane, (d) heating the loaded TSAC to a second temperature to yield a regenerated TSAC, and (e) contacting the regenerated TSAC with a sweeping gas stream to yield a recovered adsorbed gas stream comprising sweeping gas, recovered ethylene and recovered ethane.

Abstract translation: 一种聚合物生产系统中组分分离的方法，包括（a）将聚合产物流分离成气流和聚合物流，（b）使聚合物流与净化气体接触以产生吹扫的聚合物和废净化气体 包括吹扫气体，乙烯和乙烷，（c）将废净化气体与变温吸附器接触器（TSAC）接触以产生负载的TSAC，其中至少一部分乙烯在第一温度下被TSAC吸附至 产生TSAC吸附的乙烯，其中一部分乙烷在第一温度下被TSAC吸附以产生TSAC吸附的乙烷，（d）将负载的TSAC加热至第二温度以产生再生的TSAC，和（e）接触 再生的具有清扫气流的TSAC以产生包含扫气，回收的乙烯和回收的乙烷的回收的吸附气流。

公开(公告)号：US09108891B1

公开(公告)日：2015-08-18

申请号：US14550638

申请日：2014-11-21

Applicant: Chevron Phillips Chemical Company LP

Inventor： Lei Ji ,  Ai-Fu Chang

IPC: C07C7/13 ,  C07C7/04 ,  C07C9/06 ,  C08F2/12 ,  C07C7/00 ,  C08F10/02

CPC classification number: B01D53/047 ,  B01D2253/108 ,  B01D2256/24 ,  B01D2257/702 ,  B01D2259/40086 ,  B01D2259/402 ,  B01J8/20 ,  B01J19/2435 ,  B01J19/245 ,  B01J2208/00265 ,  B01J2219/00105 ,  C07C7/005 ,  C07C7/04 ,  C07C7/12 ,  C07C7/13 ,  C08F10/02 ,  Y02P20/582 ,  C07C11/04 ,  C08F2/01 ,  C08F210/16 ,  C08F210/14 ,  C08F2/14

Abstract: A process for component separation in a polymer production system comprising: (a) separating a polymerization product into a gas stream and a polymer stream; (b) processing the gas stream in distillation columns to yield a light hydrocarbon stream (LHS) comprising ethylene and ethane; (c) contacting LHS with a purged hydrocarbon adsorber to yield a loaded hydrocarbon adsorber and a non-adsorbed gas stream, wherein ethane is adsorbed by the purged hydrocarbon adsorber at a first pressure to yield adsorbed ethane, and wherein the non-adsorbed gas stream comprises recovered ethylene; (d) contacting the loaded hydrocarbon adsorber with a sweeping gas stream at a second pressure to yield an unloaded hydrocarbon adsorber and a recovered adsorbed gas stream comprising the sweeping gas stream and desorbed ethane; and (e) contacting the unloaded hydrocarbon adsorber with the sweeping gas stream at the first pressure to yield the purged hydrocarbon adsorber and a spent sweeping gas.

Abstract translation: 一种聚合物生产系统中组分分离的方法，包括：（a）将聚合产物分离成气流和聚合物流; （b）在蒸馏塔中处理气流以产生包含乙烯和乙烷的轻质烃流（LHS）; （c）使LHS与吹扫的烃吸附器接触以产生负载的烃吸附器和非吸附气流，其中乙烷在第一压力下被吹扫的烃吸附器吸附以产生吸附的乙烷，并且其中未吸附的气流 包括回收的乙烯; （d）在第二压力下使负载的烃吸附器与清扫气流接触，以产生无载烃吸附器和包含扫气流和解吸乙烷的回收吸附气流; 和（e）在第一压力下将未加载的烃吸附器与清扫气流接触，以产生清洗的烃吸附器和废清洁气体。