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Title: Direct impact aerosol sampling by electrostatic precipitation

Abstract

The present disclosure provides apparatuses for collecting aerosol samples by ionizing an air sample at different degrees. An air flow is generated through a cavity in which at least one corona wire is disposed and electrically charged to form a corona therearound. At least one grounded sample collection plate is provided downstream of the at least one corona wire so that aerosol ions generated within the corona are deposited on the at least one grounded sample collection plate. A plurality of aerosol samples ionized to different degrees can be generated. The at least one corona wire may be perpendicular to the direction of the flow, or may be parallel to the direction of the flow. The apparatus can include a serial connection of a plurality of stages such that each stage is capable of generating at least one aerosol sample, and the air flow passes through the plurality of stages serially.

Inventors:
; ; ;
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1237084
Patent Number(s):
9,250,162
Application Number:
13/963,331
Assignee:
UT-BATTELLE, LLC
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Aug 09
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 47 OTHER INSTRUMENTATION

Citation Formats

Braden, Jason D., Harter, Andrew G., Stinson, Brad J., and Sullivan, Nicholas M. Direct impact aerosol sampling by electrostatic precipitation. United States: N. p., 2016. Web.
Braden, Jason D., Harter, Andrew G., Stinson, Brad J., & Sullivan, Nicholas M. Direct impact aerosol sampling by electrostatic precipitation. United States.
Braden, Jason D., Harter, Andrew G., Stinson, Brad J., and Sullivan, Nicholas M. Tue . "Direct impact aerosol sampling by electrostatic precipitation". United States. https://www.osti.gov/servlets/purl/1237084.
@article{osti_1237084,
title = {Direct impact aerosol sampling by electrostatic precipitation},
author = {Braden, Jason D. and Harter, Andrew G. and Stinson, Brad J. and Sullivan, Nicholas M.},
abstractNote = {The present disclosure provides apparatuses for collecting aerosol samples by ionizing an air sample at different degrees. An air flow is generated through a cavity in which at least one corona wire is disposed and electrically charged to form a corona therearound. At least one grounded sample collection plate is provided downstream of the at least one corona wire so that aerosol ions generated within the corona are deposited on the at least one grounded sample collection plate. A plurality of aerosol samples ionized to different degrees can be generated. The at least one corona wire may be perpendicular to the direction of the flow, or may be parallel to the direction of the flow. The apparatus can include a serial connection of a plurality of stages such that each stage is capable of generating at least one aerosol sample, and the air flow passes through the plurality of stages serially.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {2}
}

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Works referenced in this record:

A Handheld Electrostatic Precipitator for Sampling Airborne Particles and Nanoparticles
journal, April 2010


Two-stage-type electrostatic precipitator re-entrainment phenomena under diesel flue gases
journal, January 1999

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