Reaction kinetics and simulation models for high-temperature desulfurization sorbents: Progress report II January 1, 1988--March 31, 1988
Over the past several years, Morgantown Energy Technology Center (METC) has developed a significant program of sponsored and in-house research in high temperature desulfurization of coal gasifier gases for advanced power generation applications using integrated gasification combined cycle (IGCC) and molten carbonate fuel cell (MCFC) power plants. The degree of sulfur removal required depends not only on environmental restrictions but also on the technical constraints of the power plant. The zinc ferrite sorbent is limited in high temperature use to less than 650/degree/C during the sulfur loading cycle due to the possibility of zinc vaporization and sintering. To match the exit gas temperature from different types of gasifiers and to increase the overall IGCC plant efficiency, it may be desirable to operate at higher temperatures during the desulfurization cycle. Laboratory scale research at Massachusetts Institute of Technology (MIT) and METC has identified promising novel sorbents which may be capable of reducing the H/sub 2/S in hot coal gas to 1 ppmv or less and/or may be capable of operation at temperatures greater than 650/degree/C during the sulfur loading cycle. RTI is currently evaluating mechanically strong cylindrical extradates of selected novel sorbents in a high pressure bench-scale reactor under a separate contract (DE-AC21-86MC23126). The intent of this project is to supplement ongoing sorbent work sponsored by METC with thermogravimetric reactor (TGR) kinetic data, single particle models and dynamic multiparticle simulation models. 26 figs., 3 tabs.
- Research Organization:
- Research Triangle Inst., Research Triangle Park, NC (USA)
- DOE Contract Number:
- AC21-87MC24160
- OSTI ID:
- 6992264
- Report Number(s):
- DOE/MC/24160-2628; ON: DE89000021
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
20 FOSSIL-FUELED POWER PLANTS
COAL GAS
DESULFURIZATION
COAL GASIFICATION
HOT GAS CLEANUP
FERRITES
SORPTIVE PROPERTIES
ZINC COMPOUNDS
BENCH-SCALE EXPERIMENTS
CHEMICAL REACTION KINETICS
CHEMICAL REACTORS
COMBINED-CYCLE POWER PLANTS
EXPERIMENTAL DATA
FUEL CELL POWER PLANTS
HYDROGEN SULFIDES
KRW GASIFICATION PROCESS
PROGRESS REPORT
RESEARCH PROGRAMS
SORPTION
SULFIDATION
CHALCOGENIDES
CHEMICAL REACTIONS
DATA
DOCUMENT TYPES
FERRIMAGNETIC MATERIALS
FLUIDS
GASES
GASIFICATION
HYDROGEN COMPOUNDS
INFORMATION
IRON COMPOUNDS
KINETICS
MAGNETIC MATERIALS
MATERIALS
NUMERICAL DATA
OXYGEN COMPOUNDS
POWER PLANTS
PURIFICATION
REACTION KINETICS
SULFIDES
SULFUR COMPOUNDS
SURFACE PROPERTIES
THERMAL POWER PLANTS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
010404* - Coal
Lignite
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010800 - Coal
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200202 - Fossil-Fueled Power Plants- Waste Management- Noxious Gas & Particulate Emissions