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자료유형
학술저널
저자정보
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제29권 제1호
발행연도
2012.1
수록면
77 - 85 (9page)

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Waste wood contained in construction waste would possibly be used as a fuel or recycled material in other industries. The combustible materials including paper, textile, plastic, vinyl or synthetic resins could be used as subsidiary fuel or recycled material. In this study, an air-knife gravity separator was used to separate the wood from the combustible waste generated from the construction waste. Air-knife gravity separator was designed to separate the wood which is heavier than air and small combustibles which is lighter with lower than air, Certain air pressure is maintained in the inclined conveyor to separate heavy wood particle from light combustibles. The investigation results shows that the sorting/separation efficiency depends on angle of inclination of the conveyor. About 80% of wood was dropped to the bottom at 30.4~32.25o and more than 70% of vinyl, plastic, paper and textile were lifted up so that the wood with higher density and the combustibles with lower density were separated. Given that more than 90% of waste wood was dropped at conveyor speed 13.4 m/min or more, conveyor speed needs to be adjusted to 13 m/min at least for separating the woods.

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