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Research and demonstration to improve air quality for the U.S. animal feeding operations in the 21st century - a critical review.

Authors
  • Ni, Ji-Qin
Type
Published Article
Journal
Environmental Pollution
Publisher
Elsevier
Publication Date
May 01, 2015
Volume
200
Pages
105–119
Identifiers
DOI: 10.1016/j.envpol.2015.02.003
PMID: 25703580
Source
Medline
Keywords
License
Unknown

Abstract

There was an increasing interest in reducing production and emission of air pollutants to improve air quality for animal feeding operations (AFOs) in the U.S. in the 21st century. Research was focused on identification, quantification, characterization, and modeling of air pollutions; effects of emissions; and methodologies and technologies for scientific research and pollution control. Mitigation effects were on pre-excretion, pre-release, pre-emission, and post-emission. More emphasis was given on reducing pollutant emissions than improving indoor air quality. Research and demonstrations were generally continuation and improvement of previous efforts. Most demonstrated technologies were still in a limited scale of application. Future efforts are needed in many fundamental and applied research areas. Advancement in instrumentation, computer technology, and biological sciences and genetic engineering is critical to bring major changes in this area. Development in research and demonstration will depend on the actual political, economic, and environmental situations.

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