하수 슬러지 폐기물 마이크로웨이브 열분해와 가스화에 의한에너지 전환 특성 (Energy Conversion Characteristics on Microwave Pyrolysis and Gasification for a Sewage Sludge Waste)

서지정보

· 발행기관 : 한국폐기물자원순환학회
· 수록지 정보 : 한국폐기물자원순환학회지 / 33권 / 3호 / 294 ~ 302페이지
· 저자명 : 정벼리, 윤수혁, 전영남

초록

This paper assesses the feasibility of producing fuel energy from sewage sludge via four processes: microwave-inducedpyrolysis/gasification and conventional pyrolysis/gasification. Both pyrolysis and gasification produced gas, char, and tar.
The gas produced for the gasification contained mainly hydrogen and carbon monoxide with a small amount of methaneand hydrocarbons (C2H4, C2H6, C3H8). However, the gasification produced higher carbon monoxide instead of thehydrogen. The microwave gasification generated higher heavy tar compared to other processes. As a light tar, benzenegenerated higher value for both the pyrolysis and gasification. The sludge char showed a vitreous-like texture for themicrowave process and a deep crack shape for the conventional heating process. These results indicate that the gas producedfrom the microwave processes of wet sewage sludge might be usable as a fuel energy source, but this would requireremoval of the condensable PAH tars. The sludge char produced could also be used as a solid fuel or adsorbent.

영어초록

This paper assesses the feasibility of producing fuel energy from sewage sludge via four processes: microwave-inducedpyrolysis/gasification and conventional pyrolysis/gasification. Both pyrolysis and gasification produced gas, char, and tar.
The gas produced for the gasification contained mainly hydrogen and carbon monoxide with a small amount of methaneand hydrocarbons (C2H4, C2H6, C3H8). However, the gasification produced higher carbon monoxide instead of thehydrogen. The microwave gasification generated higher heavy tar compared to other processes. As a light tar, benzenegenerated higher value for both the pyrolysis and gasification. The sludge char showed a vitreous-like texture for themicrowave process and a deep crack shape for the conventional heating process. These results indicate that the gas producedfrom the microwave processes of wet sewage sludge might be usable as a fuel energy source, but this would requireremoval of the condensable PAH tars. The sludge char produced could also be used as a solid fuel or adsorbent.

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