Effect of chemical composition on surface resistivity of fly ash. Final report, Apr 1974--Apr 1975

Technical Report · Fri Aug 01 04:00:00 EDT 1975

OSTI ID:7189468

Bickelhaupt, R E

Electrical resistivity is one of the critical parameters influencing the collectability of fly ash by electrostatic precipitation. Research designed to acquire additional knowledge about the surface conduction process is discussed. Transference experiments revealed that the alkali metal ions serve as charge carriers. It was concluded that the attack by certain environmental species, water and acid, on the surface of the glassy ash mobilizes the alkali metal ions. A correlation was established between the magnitude of maximum surface resistivity and the concentrations of lithium, sodium, potassium and iron. The correlation offers a possible means of estimating the resistivity of an ash from the chemical analysis for a given set of environmental conditions. (GRA)

• Research Organization: Southern Research Inst., Birmingham, AL (USA)
• OSTI ID: 7189468
• Report Number(s): PB-244885; SORI-EAS-75-397-3134-XV
• Country of Publication: United States
• Language: English

Related Subjects

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010800* -- Coal
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& Peat-- Waste Management
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Lignite
& Peat-- Environmental Aspects
20 FOSSIL-FUELED POWER PLANTS
200202 -- Fossil-Fueled Power Plants-- Waste Management-- Noxious Gas & Particulate Emissions
AEROSOL WASTES
AIR POLLUTION
ALKALI METALS
CHEMICAL COMPOSITION
CONTROL
ELECTRIC CONDUCTIVITY
ELECTRIC POWER
ELECTRICAL PROPERTIES
ELECTROSTATIC PRECIPITATORS
ELEMENTS
EQUIPMENT
FLY ASH
IRON
LITHIUM
METALS
PHYSICAL PROPERTIES
POLLUTION
POLLUTION CONTROL EQUIPMENT
POTASSIUM
POWER
SODIUM
SURFACE PROPERTIES
TRANSITION ELEMENTS
WASTES