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KMID : 1039220170270040291
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Journal of Korean Society of Occupational and Environmental Hygiene
2017 Volume.27 No. 4 p.291 ~ p.301
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Odor Removal with Powdered Adsorbent using Bag-filter System
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Xu Rong-Bin
Kim Tae-Hyeung
Ha Hyun-Chul
Pia Cheng Xu
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Abstract
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Objectives: In order to improve the working environment and solve the complaints, many efforts have been made to remove the odor from the industrial process. There are many disposal methods to remove odor, but there are many disadvantages and inadequate applications. The Purpose of this study was to develop a bag-filer system for odor removal using powder adsorbent.
Methods: The bag-filter system is composed of a shear bag filter, an absorbent spraying system and an absorbent circulation system. The spraying absorbent system was connected with the inlet duct of the shear bag filter for inputting adsorbent. And the absorbent circulation system can transport the collecting adsorbent from hoper to the inlet duct of the system. As a result, the adsorbent can remove odor with recycling in the system. Also affective factors like the powdered absorbent combination and injection method was researched for maximization of system efficiency. The study was conducted in two stages. The first step was testing equipment made and the second is to evaluate the efficiency of the odor control by connecting to the actual odor generation process.
Results: Both experiment stages showed efficient odor control ability. The adsorption efficiency of the system is demonstrated and the odor was adsorbed well by the powder adsorbent. It is essential to accurately understand the characteristics of the odorous and use the appropriate adsorbent. Although the powder adsorbent was used in the experiment, the problem of scattering did not occur due to the high degree of system sealing . Also the system manufactured in this study was designed to recycle the adsorbent, so adsorbent reuse or batch processing is convenient.
Conclusions: The applicability of the system has been proven through this research. Customized systems for industrial process and the appropriate adsorbent base on the characteristics of pollutant generation will show efficient odor collection ability.
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KEYWORD
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filter odor, removal, powder adsorbent, zeolite
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