Enhanced hydrogen recovery from effluent gas streams

Patent · Tue Nov 19 04:00:00 EST 1985

OSTI ID:5905754

Fuderer, A

Effluent gas streams for steam reforming, partial oxidation or coal gasification operations are advantageously treated in shift conversion, scrubbing and pressure swing adsorption units for recovery of a purified, hydrogen-containing product gas stream. By recycling a portion of the waste gas removed from the pressure swing adsorption system to the shift conversion unit and/or to the effluent gas generation operation, enhanced product recovery is achieved without the necessity for employing low temperature shift or for achieving essentially complete removal of the carbon dioxide content of the gas being treated prior to its passage to said pressure swing adsorption system.

• Assignee: Union Carbide Corp.
• Patent Number(s): US 4553981
• OSTI ID: 5905754
• Country of Publication: United States
• Language: English

Related Subjects

08 HYDROGEN
080107* -- Hydrogen-- Production-- Coal Gasification
ADSORPTION
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CHALCOGENIDES
COAL GASIFICATION
ELEMENTS
GASEOUS WASTES
GASIFICATION
HYDROGEN
HYDROGEN PRODUCTION
MANAGEMENT
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PROCESSING
PURIFICATION
SCRUBBING
SEPARATION EQUIPMENT
SORPTION
THERMOCHEMICAL PROCESSES
WASTE MANAGEMENT
WASTE PROCESSING
WASTES