Method of removing oxygen from crude carbon monoxide gas and method of purifying carbon monoxide gas

Provided is a method of removing oxygen from a crude carbon monoxide gas while avoiding metal contamination as much as possible. This oxygen removing method removes oxygen from a crude carbon monoxide gas that comprises oxygen as an impurity by contacting the gas with activated carbon (1a) not carry...

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Bibliographic Details
Main Authors YOKONO, TAKASHI, KUWANA, AKIHIRO
Format Patent
LanguageChinese
English
Published 01.10.2019
Subjects
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:Provided is a method of removing oxygen from a crude carbon monoxide gas while avoiding metal contamination as much as possible. This oxygen removing method removes oxygen from a crude carbon monoxide gas that comprises oxygen as an impurity by contacting the gas with activated carbon (1a) not carrying metal in a catalyst tank (1). Furthermore, the produced gas after oxygen removal is contacted with an alkali aqueous solution (2a) to absorb and remove carbon dioxide, thereby obtaining a purified carbon monoxide gas.
Bibliography:Application Number: TW20198105566