Combustion of Illinois coals and chars with natural gas

Technical Report · Tue Jan 01 00:00:00 EST 1991

DOI:https://doi.org/10.2172/6009586· OSTI ID:6009586

Buckius, R O

There are applications where the combined combustion of coal and natural gas offers potential advantages over the use of either coal or natural gas alone. For example, low volatile coals or low volatile chars derived from treatment or gasification processes can be of limited use during to their poor flammability characteristics. However, the use of natural gas in conjunction with the solid fuel can provide the necessary volatiles'' to enhance the combustion. In addition, natural gas provides a clean fuel source of fuel which, in cofiring situations, can extend the usefulness of coals with high sulfur content. The addition of natural gas may reduce SO{sub x} emission through increased sulfur retention in the ash and reduce NO{sub x} emissions by varying local stoichiometry and temperature levels. In this research program, studies of combined coal and natural gas combustion will provide particle ignition, burnout rates and ash characterization, that will help clarify the effect of coal and natural gas and identify the controlling parameters and mechanisms.

• Research Organization: Univ. of Illinois at Urbana-Champaign, 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: 6009586
• Report Number(s): DOE/PC/91334-T24; ON: DE92007868
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
03 NATURAL GAS
BITUMINOUS COAL
COCOMBUSTION
CHARS
NATURAL GAS
ASHES
BURNOUT
IGNITION
PROGRESS REPORT
BLACK COAL
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COMBUSTION
COMBUSTION PRODUCTS
DOCUMENT TYPES
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
MATERIALS
OXIDATION
PYROLYSIS PRODUCTS
RESIDUES
THERMOCHEMICAL PROCESSES
014000* - Coal
Lignite
& Peat- Combustion
034000 - Natural Gas- Combustion