Development of sorbents for high-temperature desulfurization in moving-bed systems

Technical Report · Sat Oct 01 00:00:00 EDT 1994

DOI:https://doi.org/10.2172/10185812· OSTI ID:10185812

Ayala, R E; Chuck, T ^[1]; Gal, E ^[2]; Gupta, R P ^[3]

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1. General Electric Co., Schenectady, NY (United States). Corporate Research and Development Center
2. General Electric Co., Lebanon, PA (United States)
3. Research Triangle Inst., Research Triangle Park, NC (United States)

The objective of the option 3 program within this contract is to develop chemically reactive and mechanically durable mixed-metal oxide sorbent formulations that are suitable for moving-bed, high-temperature, desulfurization of coal gas. One optimum formulation will be evaluated in a pressurized 50-cycle bench-scale test. Work on zinc titanate formulations was initiated under the option 2 program and is continued under the present option 3 program along with testing of other mixed-metal oxides. One of the major limitations for large-scale use of mixed-metal oxides is the observed weakening and physical deterioration of the pellet and spalling during repetitive use in cycles of absorption and regeneration. A need exists to determine best operating conditions that minimize sulfate formation and prevent mechanical degradation. Results from materials tests on 5 zinc-based sorbents are given.

• Research Organization: General Electric Co., Schenectady, NY (United States). Corporate Research and Development Center
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC21-88MC25003
• OSTI ID: 10185812
• Report Number(s): DOE/MC/25003-94/C0384; CONF-9406131-36; ON: DE95000651; BR: AA0510000; TRN: AHC29424%%48
• Resource Relation: Conference: Coal-fired power systems: advances in IGCC and PFBC review meeting,Morgantown, WV (United States),21-23 Jun 1994; Other Information: PBD: [1994]
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
FUEL GAS
HOT GAS CLEANUP
DESULFURIZATION
ADSORBENTS
MATERIALS TESTING
ZINC COMPOUNDS
TITANATES
COMBINED-CYCLE POWER PLANTS
COAL GASIFICATION PLANTS
FERRITES
SULFIDATION
REGENERATION
MECHANICAL PROPERTIES
PHYSICAL PROPERTIES
THERMAL GRAVIMETRIC ANALYSIS
EXPERIMENTAL DATA
010402
PURIFICATION AND UPGRADING