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Aerosols from a Laboratory Pulverized Coal Combustor

Taylor, D. D. and Flagan, R. C. (1981) Aerosols from a Laboratory Pulverized Coal Combustor. In: Atmospheric Aerosol. ACS Symposium Series. No.167. American Chemical Society , pp. 157-172. ISBN 9780841206465. http://resolver.caltech.edu/CaltechAUTHORS:20140922-085437120

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Abstract

A laboratory study has been undertaken to characterize the aerosol produced during pulverized coal combustion. The emphasis in this work has been on the particulate matter present in the flue gases at the inlet to the gas cleaning equipment rather than that leaving the stack. Coal is burned at conditions which simulate the combustion region of coal-fired utility boilers. The combustion products then pass through a series of convective heat exchangers which cool them to normal flue gas temperature. Samples extracted from the cool (400-500°K) combustion products are analyzed for major gaseous products and aerosol properties. The size distribution of the particulate matter in the 0.01-5 µm size range is analyzed on line using an electrical mobility analyzer and an optical particle counter. Samples of particles having aerodynamic diameters between 0.05 and 4 µm are classified according to size using the Caltech low pressure cascade impactor. A number of analytical procedures have been used to determine the composition distribution in these particles. A discrete mode of particles is observed between 0.03 and 0.1 µm. The major components of these particles are volatile elements and soot. The composition of the fine particles varies substantially with combustor operating conditions.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/bk-1981-0167.ch008DOIArticle
http://pubs.acs.org/doi/abs/10.1021/bk-1981-0167.ch008PublisherArticle
ORCID:
AuthorORCID
Flagan, R. C.0000-0001-5690-770X
Additional Information:© 1981 American Chemical Society. Publication Date (Print): October 13, 1981. Received April 24, 1981. The authors thank Dr. James Ouimette for assistance in collecting aerosol samples for ana lysis . This work was supported by National Science Foundation Grant PFR 76-04179 and the Pasadena Lung Association. Reprinted from ACS SYMPOSIUM SERIES, No. 167 ATMOSPHERIC AEROSOL: SOURCE/AIR QUALITY RELATIONSHIPS Edward S. Macias and Philip K. Hopke, Editors Reprinted by permission of the copyright owner
Group:Environmental Quality Laboratory
Funders:
Funding AgencyGrant Number
NSFPFR 76-04179
Pasadena Lung AssociationUNSPECIFIED
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Environmental Quality LaboratoryA-127
Record Number:CaltechAUTHORS:20140922-085437120
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140922-085437120
Official Citation:Aerosols from a Laboratory Pulverized Coal Combustor D. D. TAYLOR and R. C. FLAGAN Atmospheric Aerosol. October 13, 1981, 157-172
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49886
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:22 Sep 2014 20:06
Last Modified:22 Sep 2017 19:58

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