Development of an advanced, continuous mild gasification process for the production of co-products
- Institute of Gas Technology, Chicago, IL (USA)
- Bechtel National, Inc., San Francisco, CA (USA)
A project team consisting of the Institute of Gas Technology, Peabody Holding Company, Inc., and Bechtel National, Inc., is developing a mild gasification process that uses a fluidized/entrained-bed reactor. This reactor is designed to process caking bituminous coals over a wide range of particle sizes without oxidative pretreatment, and also without the use of oxygen or air as reactants. The co-product streams, consisting of char, fuel gas, water, and condensables, would be separated by conventional means such as cyclone, staged condensers, and recycle-oil scrubbers. An isothermal process research unit (PRU) has been built at IGT, consisting of an 8-inch-I.D., 8-foot-long fluidized-bed section and a 4-inch-I.D., 13-foot-long entrained flow section, externally heated by electrical heaters. This quarter, eleven mild gasification tests were conducted in the PRU. Illinois No. 6 coal was used in nine of the tests and a West Virginia metallurgical grade of coal was used in the last two tests. The tests conducted in the PRU this quarter were operated with feed rates about three times higher than those used in the last quarter. Results show the effect of process temperature on the shields of char, oils/tars, and gases. Various compositional effects on the oils/tars were also discovered. Char upgrading studies were completed for the char co-product options of smokeless fuel and adsorbent char. A total condensate collection system was designed for the PRU system. 18 figs., 22 tabs.
- Research Organization:
- Institute of Gas Technology, Chicago, IL (United States)
- Sponsoring Organization:
- DOE/FE
- DOE Contract Number:
- AC21-87MC24266
- OSTI ID:
- 6426557
- Report Number(s):
- DOE/MC/24266-2925; ON: DE91005539
- Country of Publication:
- United States
- Language:
- English
Similar Records
Task 4, Mild gasification technology development system integration studies, April 1989--September 1990
Development of an advanced, continuous mild gasification process for the production of co-products
Related Subjects
BY-PRODUCTS
YIELDS
CHARS
COAL GASIFICATION
ECONOMICS
GASES
OILS
TAR
ADSORPTION
BENCH-SCALE EXPERIMENTS
CHEMICAL REACTORS
COST
MATERIAL BALANCE
POLYCYCLIC AROMATIC HYDROCARBONS
PROGRESS REPORT
TEMPERATURE EFFECTS
AROMATICS
DOCUMENT TYPES
FLUIDS
GASIFICATION
HYDROCARBONS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PYROLYSIS PRODUCTS
SORPTION
THERMOCHEMICAL PROCESSES
010404* - Coal
Lignite
& Peat- Gasification