SYSTEMS AND METHODS FOR TREATING STERILIZATION EXHAUST GAS CONTAINING ETHYLENE OXIDE

WIPO Patent Application WO/2021/184597

A1

A system for treating ethylene oxide-containing sterilization exhaust gas, the system comprises a reaction column (8) further comprising a column body (80), and an inner cavity (82) configured to contain a liquid substrate for catalyzing ethylene oxide in ethylene oxide-containing sterilization exhaust gas; wherein the column body (80) comprises a bottom portion having a gas inlet pipe (7) and a liquid outlet pipe (12), the gas inlet pipe (7) configured to inject the ethylene oxide-containing sterilization exhaust gas into the inner cavity (82) and the liquid outlet pipe (12) configured to discharge the liquid substrate from the inner cavity (82); and the column body (80) comprises a top portion comprising a gas outlet pipe (9) having a gas inlet (90) above a liquid level of the liquid substrate; and at least one gas distributor configured to disperse the ethylene oxide-containing sterilization exhaust gas injected from the gas inlet pipe (7) into the inner cavity (82).

HOU DONGXIN (CN)
LIU ZHENGTAO (CN)
XUE JIANLONG (CN)
CHEN HAO (CN)
ZHANG ZHICHENG (CN)
HE YECHENG (CN)
WANG XIAONAN (CN)
ZHU LIQING (CN)
XIAO QINGHUA (CN)

PCT/CN2020/100143

September 23, 2021

July 03, 2020

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QIAOKANG BIOTECH GUANGDONG CO LTD (CN)
CHIO KANG MEDICAL INC (US)

B01J19/18; B01D53/78; B01J10/00; C07C29/10

CN110404485A	2019-11-05
CN104275085A	2015-01-14
CN202933710U	2013-05-15
CN102219642A	2011-10-19
CN206535551U	2017-10-03
CN105327665A	2016-02-17
CN209662917U	2019-11-22
US20020197194A1	2002-12-26

ADVANCE CHINA IP LAW OFFICE (CN)

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