High temperature membranes for H[sub 2]S and SO[sub 2] separations

Technical Report · Wed Jan 01 00:00:00 EST 1992

DOI:https://doi.org/10.2172/6848457· OSTI ID:6848457

Winnick, J

High temperature membrane separation techniques have been applied to gas mixtures involved in coal utilization. For coal gasification, H[sub 2]S has been removed from the syn-gas stream, split into hydrogen which enriches the syn-gas, and sulfur which can be condensed from an inert gas sweep stream. For coal combustion, SO[sub 2] has been separated from the flue gas, with concentrated SO[sub 3] produced as a by-product. Both processes appear economically viable but each requires fundamental improvements: both the H[sub 2]S cell and the SO[sub 2] cell require more efficient membranes and the H[sub 2]S cell needs a more efficient anode. Membranes will be fabricated by either hot-pressing, impregnation of sintered bodies, or tape casting. Research conducted during the present quarter is highlighted, with an emphasis on progress towards these goals.

• Research Organization: Georgia Inst. of Tech., Atlanta, GA (United States). School of Chemical Engineering
• Sponsoring Organization: USDOE; USDOE, Washington, DC (United States)
• DOE Contract Number: FG22-90PC90293
• OSTI ID: 6848457
• Report Number(s): DOE/PC/90293-T7; ON: DE93006005
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
HOT GAS CLEANUP
HYDROGEN SULFIDES
REMOVAL
MEMBRANES
FABRICATION
NITROGEN OXIDES
SEPARATION PROCESSES
SULFUR DIOXIDE
CASTING
FLUE GAS
FUEL GAS
HOT PRESSING
PROGRESS REPORT
SINTERING
SYNTHESIS GAS
CHALCOGENIDES
DOCUMENT TYPES
FLUIDS
FUELS
GAS FUELS
GASEOUS WASTES
GASES
HYDROGEN COMPOUNDS
MATERIALS WORKING
NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PRESSING
PURIFICATION
SULFIDES
SULFUR COMPOUNDS
SULFUR OXIDES
WASTES
010402* - Coal
Lignite
& Peat- Purification & Upgrading
010800 - Coal
Lignite
& Peat- Waste Management
400105 - Separation Procedures