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KMID : 1024520110200080953
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Journal of the Environmental Sciences
2011 Volume.20 No. 8 p.953 ~ p.962
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Dispersion Characteristics of Odorous Elements from Nambu Wastewater Treatment Plant and a Nearby Streams in Busan
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Mun Seong-Man
Lee Hyung-Don
Cho Sang-Won
Kang Dong-Hyo
Park Hae-Sik
Oh Kwang-Joong
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Abstract
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The covered stream of cities are considered an odor source. Also, the public do not want a wastewater treatment plant(WWTP) near their properties due to the emission of odor emanating from such sources, although they play an important role in urban development. The purpose of this study is to analyze the pattern distribution of the odorous compounds from the Nambu WWTP and Youngho stream in Busan. odor sampled four times were analyzed by instrumental analysis method and indirect olfactory method. The kinds of offensive odorous compounds examined are acetaldehyde, propion aldehyde, hydrogen sulfide, methyl mercaptan, dimethyl sulfide and ammonia. Also, Concentration of air pollutants has been calculated by ISCST3 models. At the result of this study, The Nambu WWTP releases sulfur compounds. And the major odorous were hydrogen sulfide (1,475 ppb) and acetaldehyde (95 ppb) at Youngho stream. The stink which residents feel will point out the Nambu WWTP mainly if the odor is removed with the improvement of a Youngho stream.
Accordingly, we should pay more attention to appropriate components to processes in odor reducing plan at Nambu WTP.
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KEYWORD
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Identify cause of odor, Complex odor, Wastewater treatment plant, Stream, ISCST3
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