Investigation of a sulfur reduction technique for mild gasification char
The object of this program is to investigate the desulfurization of mild gasification char using hydrogen/methane mixtures in a laboratory-scale experimental study. In the first year of the two- year program, char is being treated with mixtures of H{sub 2} and CH{sub 4} at temperatures of 1100{degrees}C to 1550{degrees}F and pressures of 50 to 100 psig. The effects of temperature, pressure, residence time, gas velocity, and gas composition on sulfur removal and carbon gasification are being determined. The batch experiments are being performed in a nominal 2-inch-ID stainless-steel, batch, fluidized-bed reactor. The char to be desulfurized was produced by the IGT mild gasification process research unit (PRU) in a recently completed DOE/METC-sponsored technology development program. The parent coal was Illinois No. 6 from a preparation plant, and the char from the selected test contains 4.58 wt% sulfur. In the first quarter, we have obtained and prepared a char for the desulfurization tests. Ultimate and proximate analyses were performed on this char, and its pore size distribution and surface area were determined. Also this quarter, the fluidized-bed reactor system was constructed and equipped with high pressure mass flow controllers and a high pressure sintered metal filter to remove fines from the effluent gas stream.
- Research Organization:
- Institute of Gas Technology, Chicago, IL (United States)
- Sponsoring Organization:
- USDOE; ILDENR; USDOE, Washington, DC (United States); Illinois Dept. of Energy and Natural Resources, Springfield, IL (United States)
- DOE Contract Number:
- FG22-91PC91334
- OSTI ID:
- 6012679
- Report Number(s):
- DOE/PC/91334-T10; ON: DE92007882
- Country of Publication:
- United States
- Language:
- English
Similar Records
Investigation of a sulfur reduction technique for mild gasification char. Technical report, December 1, 1992--February 28, 1993
Investigation of a technique for sulfur reduction of mild gasification char. Technical report, March 1--May 31, 1992
Related Subjects
CHARS
DESULFURIZATION
BITUMINOUS COAL
CHEMICAL REACTORS
COAL GASIFICATION
FLUIDIZED BEDS
HYDROGEN
MARKET
METHANE
POROSITY
PRESSURE DEPENDENCE
PROCESS DEVELOPMENT UNITS
PROGRESS REPORT
SURFACE AREA
TEMPERATURE DEPENDENCE
VELOCITY
ALKANES
BLACK COAL
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
DOCUMENT TYPES
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
FUNCTIONAL MODELS
GASIFICATION
HYDROCARBONS
MATERIALS
NONMETALS
ORGANIC COMPOUNDS
PYROLYSIS PRODUCTS
SURFACE PROPERTIES
THERMOCHEMICAL PROCESSES
010404* - Coal
Lignite
& Peat- Gasification
010402 - Coal
Lignite
& Peat- Purification & Upgrading