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자료유형
학술저널
저자정보
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제28권 제6호
발행연도
2011.1
수록면
680 - 686 (7page)

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Control characteristics on VOC reaction with ceramic supports manufactured by the mixture of spent foundry sand (SFS)and sewage sludge (SS) were estimated. Formaldehyde (HCHO) among VOCs is used in the experiment of column test. Types of ceramic supports used in the experiment are SFS/loess/SS/additive support, SFS/loess support, SFS/loess/SS support, and loess support. As increased the residence time (dimensionless) in the column test, HCHO concentration is dramatically decreased until the residence time of 1 and almost constant after the residence time of 3. Since reaction rate constant of HCHO reaction is exponentially decreased with increasing input flow rate, the control of HCHO is mainly occurred at the beginning stage of reaction. As increased input flow rate, breakthrough time is dramatically decreased until flow rate of 100 ml/min and dereased slowly above the flow rate of 100 ml/min. The removal efficiency of HCHO in the column test is increased from 88% at the residence time of 1 to 98% at the residence time of 10. The control effect of HCHO with types of ceramic support is followed by the order of SFS/loess support < loess support < SFS/loess/SS/additive support < SFGS/loess/SS support. Hence, it is estimated that ceramic support manufactured by the mixture of SFS and SS can be controlled Formaldehyde (HCHO) concentration among VOCs in the column test.

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