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Main Title Particle-Size-Dependent Efficiency of Air Cleaners.
Author Ensor, D. S. ; Hanley, J. T. ; Sparks, L. E. ;
CORP Author Research Triangle Inst., Research Triangle Park, NC. Center for Aerosol Technology.;Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
Publisher 1991
Year Published 1991
Report Number EPA-R-814169; EPA/600/A-93/179;
Stock Number PB93-221976
Additional Subjects Air pollution control equipment ; Aerosols ; Air cleaners ; Particle size ; Air filters ; Efficiency ; Electrostatic precipitators ; Fibers ; Size distribution ; Indoor air pollution ;
Library Call Number Additional Info Location Last
NTIS  PB93-221976 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 5p
Abstract The paper gives results of tests with media filters, electrostatic filters, and electronic air cleaners. It also discusses results from system qualification tests to detect system artifacts. The collection efficiency of air cleaners as a function of particle diameter must be known to predict their ability to control specific sources. Collection efficiency from 0.01 to 3 micrometers has been measured with condensation particle counters and white-light and laser particle counters. The challenge aerosol is generated by nebulizing solutions to allow stability with respect to size distribution and concentration.
Supplementary Notes See also PB91-176735 and PB93-212397. Presented at ASHRAE IAQ 91, Washington, DC., September 2-5, 1991. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
Category Codes 68A; 89B; 99F
NTIS Prices PC A01/MF A01
Primary Description 600/13
Document Type NT
Cataloging Source NTIS/MT
Control Number 328019406
Origin NTIS
Type CAT