Study of the volatility of minor and trace elements in Illinois coal
The volatility of fifteen minor and trace elements in Illinois Herrin No. 6 seam coal in the temperature range from 540 to 1250/sup 0/C was investigated under dry and humidified combustion conditions. Data indicate that under the dry oxidizing conditions, almost all of the chlorine in the coal evolves at 640/sup 0/C, although trace amounts of chlorine still remain in the high-temperature ashes. The metallic elements, Na, K, Fe, Al, Mg, Ca, Ti, Zn, Mn, Ni, Cu, Cr, Li, and V are generally retained in the ash up to 1250/sup 0/C in both dry and wet oxidizing environments, and the retention of these metallic elements in the ash is not affected by the oxygen concentration in the dry combustion gas. Both water vapor and the oxygen-enrichment in the combustion air cause a greater total weight loss than that in the dry combustion air.
- Research Organization:
- Argonne National Lab., Ill. (USA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 7081348
- Report Number(s):
- ANL/CEN/FE-77-4
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010600* -- Coal
Lignite
& Peat-- Properties & Composition
ALKALI METALS
ALKALINE EARTH METALS
ALUMINIUM
ASHES
BENCH-SCALE EXPERIMENTS
CALCIUM
CARBONACEOUS MATERIALS
CHLORINE
CHROMIUM
COAL
COPPER
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HALOGENS
ILLINOIS
IRON
LITHIUM
MAGNESIUM
MANGANESE
METALS
NICKEL
NONMETALS
NORTH AMERICA
POTASSIUM
RESIDUES
SODIUM
TEMPERATURE DEPENDENCE
TITANIUM
TRACE AMOUNTS
TRANSITION ELEMENTS
USA
VANADIUM
VOLATILITY
ZINC
010600* -- Coal
Lignite
& Peat-- Properties & Composition
ALKALI METALS
ALKALINE EARTH METALS
ALUMINIUM
ASHES
BENCH-SCALE EXPERIMENTS
CALCIUM
CARBONACEOUS MATERIALS
CHLORINE
CHROMIUM
COAL
COPPER
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HALOGENS
ILLINOIS
IRON
LITHIUM
MAGNESIUM
MANGANESE
METALS
NICKEL
NONMETALS
NORTH AMERICA
POTASSIUM
RESIDUES
SODIUM
TEMPERATURE DEPENDENCE
TITANIUM
TRACE AMOUNTS
TRANSITION ELEMENTS
USA
VANADIUM
VOLATILITY
ZINC