Device and method for purifying and separating ammonia-containing tail gas in carbonylation intermediate production process

Device and method for purifying and separating ammonia-containing tail gas in carbonylation intermediate production process

The invention provides a device and method for purifying and separating ammonia-containing tail gas in the carbonylation intermediate production process, the device sequentially comprises a gas-liquid separation unit, an ammonium bicarbonate trapping unit, a compression separation unit and an ammoni...

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Hauptverfasser: CHEN JIAQIANG, JIA ZHONGBAO, SONG SHUANGTIAN, WANG LIGUO, XUE SHANGLONG, MI QIAN, LI HUIQUAN, HE PENG, ZHENG ZHENG, HU DONGPING
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Sprache:chi ; eng
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PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator CHEN JIAQIANG
JIA ZHONGBAO
SONG SHUANGTIAN
WANG LIGUO
XUE SHANGLONG
MI QIAN
LI HUIQUAN
HE PENG
ZHENG ZHENG
HU DONGPING
description The invention provides a device and method for purifying and separating ammonia-containing tail gas in the carbonylation intermediate production process, the device sequentially comprises a gas-liquid separation unit, an ammonium bicarbonate trapping unit, a compression separation unit and an ammonia separation unit, the gas-liquid separation unit comprises a condenser and a first gas-liquid separator, the ammonium bicarbonate trapping unit comprises an ammonium bicarbonate trap, and the ammonia separation unit comprises a second gas-liquid separator. The compression separation unit comprises a compressor and a second gas-liquid separator, the ammonia separation unit comprises an ammonia separation tower and a third gas-liquid separator, and liquid phase outlets of the first gas-liquid separator, the second gas-liquid separator and the third gas-liquid separator are connected to the same pipeline for recycling. Through the arrangement of the ammonium bicarbonate trapping unit and the multi-stage separation un
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title Device and method for purifying and separating ammonia-containing tail gas in carbonylation intermediate production process
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