Method and apparatus for enhancing the desulfurization of hot coal gas in a fluid-bed coal gasifier
Abstract
A process and apparatus for providing additional desulfurization of the hot gas produced in a fluid-bed coal gasifier, within the gasifier is described. A fluid-bed of iron oxide is located inside the gasifier above the gasification bed in a fluid-bed coal gasifier in which in-bed desulfurization by lime/limestone takes place. The product gases leave the gasification bed typically at 1600 to 1800 F and are partially quenched with water to 1000 to 1200 F before entering the iron oxide bed. The iron oxide bed provides additional desulfurization beyond that provided by the lime /limestone. 1 fig.
- Inventors:
- Issue Date:
- Research Org.:
- USDOE Morgantown Energy Technology Center (METC), WV (United States)
- OSTI Identifier:
- 6444452
- Patent Number(s):
- 7177310
- Application Number:
- ON: DE89010096
- Assignee:
- US Dept. of Energy
- Patent Classifications (CPCs):
-
H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- Resource Type:
- Patent
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 01 COAL, LIGNITE, AND PEAT; COAL GASIFICATION; HOT GAS CLEANUP; IRON OXIDES; SORPTIVE PROPERTIES; LIMESTONE; ABSORPTION; COOLING; DESIGN; DESULFURIZATION; HYDROGEN SULFIDES; POLLUTION CONTROL; WATER; CARBONATE ROCKS; CHALCOGENIDES; CHEMICAL REACTIONS; CONTROL; GASIFICATION; HYDROGEN COMPOUNDS; IRON COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PURIFICATION; ROCKS; SEDIMENTARY ROCKS; SULFIDES; SULFUR COMPOUNDS; SURFACE PROPERTIES; THERMOCHEMICAL PROCESSES; TRANSITION ELEMENT COMPOUNDS; 010404* - Coal, Lignite, & Peat- Gasification; 010800 - Coal, Lignite, & Peat- Waste Management
Citation Formats
Grindley, T. Method and apparatus for enhancing the desulfurization of hot coal gas in a fluid-bed coal gasifier. United States: N. p., 1988.
Web.
Grindley, T. Method and apparatus for enhancing the desulfurization of hot coal gas in a fluid-bed coal gasifier. United States.
Grindley, T. Tue .
"Method and apparatus for enhancing the desulfurization of hot coal gas in a fluid-bed coal gasifier". United States. https://www.osti.gov/servlets/purl/6444452.
@article{osti_6444452,
title = {Method and apparatus for enhancing the desulfurization of hot coal gas in a fluid-bed coal gasifier},
author = {Grindley, T.},
abstractNote = {A process and apparatus for providing additional desulfurization of the hot gas produced in a fluid-bed coal gasifier, within the gasifier is described. A fluid-bed of iron oxide is located inside the gasifier above the gasification bed in a fluid-bed coal gasifier in which in-bed desulfurization by lime/limestone takes place. The product gases leave the gasification bed typically at 1600 to 1800 F and are partially quenched with water to 1000 to 1200 F before entering the iron oxide bed. The iron oxide bed provides additional desulfurization beyond that provided by the lime /limestone. 1 fig.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1988},
month = {4}
}
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