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NOx, Fine Particle and Toxic Metal Emissions From the Combustion of Sewage Sludge/Coal Mixtures: A Systematic Assessment. Quarterly Report 2 January 1, 2001 - March 31, 2001.

DE2004783602

Publication Date	2001
Personal Author	Wendt, J. O. L.
Page Count	28
Abstract	This research project focuses on pollutants from the combustion of mixtures of dried municipal sewage sludge (MSS) and coal. The objective is to determine the relationship between (1) fraction sludge in the sludge/coal mixture, and (2) combustion conditions on (a) NO(sub x) concentrations in the exhaust, (b) the size segregated fine and ultra-fine particle composition in the exhaust, and (c) the partitioning of toxic metals between vapor and condenses phases, within the process. To this end we shall use an existing 17kW downflow laboratory combustor, available with coal and sludge feed capabilities. The proposed study will be conducted in concert with an existing ongoing research on toxic metal partitioning mechanisms for very well characterized pulverized coals alone. Both high NO(sub x) and low NO(sub x) combustion conditions will be investigated (unstaged and staged combustion). The proposed work uses existing analytical and experimental facilities and draws on 20 years of research on NO(sub x) and fine particles that has been funded by DOE in this laboratory. Four barrels of dried sewage sludge are currently in the laboratory. Insofar as possible pertinent mechanisms will be elucidated. Tradeoffs between CO(sub 2) control, NO(sub x) control, and inorganic fine particle and toxic metal emissions will be determined.
Keywords	Combustion products Sewage sludge Coal Particle size Pollutants Nitrogen oxides Toxic materials Mixtures Air pollution control Sludges Cocombustion Trace elements
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Arizona Univ., Tucson. Dept. of Chemical and Environmental Engineering.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200516

NOx, Fine Particle and Toxic Metal Emissions From the Combustion of Sewage Sludge/Coal Mixtures: A Systematic Assessment. Quarterly Report 2 January 1, 2001 - March 31, 2001.

NOx, Fine Particle and Toxic Metal Emissions From the Combustion of Sewage Sludge/Coal Mixtures: A Systematic Assessment. Quarterly Report 2 January 1, 2001 - March 31, 2001.
DE2004783602

Publication Date	2001
Personal Author	Wendt, J. O. L.
Page Count	28
Abstract	This research project focuses on pollutants from the combustion of mixtures of dried municipal sewage sludge (MSS) and coal. The objective is to determine the relationship between (1) fraction sludge in the sludge/coal mixture, and (2) combustion conditions on (a) NO(sub x) concentrations in the exhaust, (b) the size segregated fine and ultra-fine particle composition in the exhaust, and (c) the partitioning of toxic metals between vapor and condenses phases, within the process. To this end we shall use an existing 17kW downflow laboratory combustor, available with coal and sludge feed capabilities. The proposed study will be conducted in concert with an existing ongoing research on toxic metal partitioning mechanisms for very well characterized pulverized coals alone. Both high NO(sub x) and low NO(sub x) combustion conditions will be investigated (unstaged and staged combustion). The proposed work uses existing analytical and experimental facilities and draws on 20 years of research on NO(sub x) and fine particles that has been funded by DOE in this laboratory. Four barrels of dried sewage sludge are currently in the laboratory. Insofar as possible pertinent mechanisms will be elucidated. Tradeoffs between CO(sub 2) control, NO(sub x) control, and inorganic fine particle and toxic metal emissions will be determined.
Keywords	Combustion products Sewage sludge Coal Particle size Pollutants Nitrogen oxides Toxic materials Mixtures Air pollution control Sludges Cocombustion Trace elements
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Arizona Univ., Tucson. Dept. of Chemical and Environmental Engineering.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200516