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KMID : 1171820080230030009
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Journal of Environmental and Sanitary Engineering
2008 Volume.23 No. 3 p.9 ~ p.22
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A Study on the Improvement of Dry Bag Filter Treatment System Regarding harmful gas of Glass Recuperator
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Lee Sung-Jin
Seo Man-Chul
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Abstract
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This study was conducted to develop a system that processes harmful gases and dust, which being generated in the production of micro-inorganic fabric. This can be obtained by melt spinning raw materials such as agalmatolite, fluorspar, limestone, silica under high temperature at 1500-1600℃ in a glass recuperator using a dry method by Cyclone Reactor or Envelope Type (ET) type Bag Filter. If the number of the members of Korea Glass Industry Association reaches up to 45, the damage of the harmful gas being generated in recuperator should not be small. In addition, research of existing facilities showed the most of harmful gas treatment facilities which adopt wet treatment or semi-dry treatment process. This was caused the problems for wastewater and the second pollutive materials.
Moreover, in the dust collecting facility behind recuperator, it is also problematic that electric dust collector requires enormous initial investment. We have researched various methods to show both economic and efficient new processes for the preventive facilities of recuperator.
As the result of the experiments, the removal efficiencies of HF and SOx were 99% and 87%, respectively. Although it was insignificant reaction, a pretty much interesting result that NOx showed an absorption reaction with Ca(OH)₂ (removal efficiency was more than 25%) was obtained.
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KEYWORD
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giass recuperator, semi-dry process, pre-coating bag filter
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