Method for separating and purifying CO2, CH4, CO and H2 from refining hydrogen production tail gas

Method for separating and purifying CO2, CH4, CO and H2 from refining hydrogen production tail gas

The invention provides a method for separating and purifying carbon dioxide, methane, carbon monoxide and hydrogen from a refining hydrogen production tail gas by adopting a five-stage pressure swing adsorption gas separation process. By adopting the method, the refining hydrogen production tail gas...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHU ENFU, CHANG JILIANG, ZHANG XIAOHUI
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:The invention provides a method for separating and purifying carbon dioxide, methane, carbon monoxide and hydrogen from a refining hydrogen production tail gas by adopting a five-stage pressure swing adsorption gas separation process. By adopting the method, the refining hydrogen production tail gas is fully used, a significant economic benefit can be obtained, the pollution of the refining hydrogen production tail gas to the environment is reduced, and an extremely great social benefit is obtained.