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Remediation of Bunker Fuel Oil C Contaminated Soil with Microwave Radiation and Heating Elements

마이크로파 조사와 발열체를 이용한 벙커C유 오염토양의 복원

  • Received : 2015.07.15
  • Accepted : 2015.08.29
  • Published : 2015.08.31

Abstract

Total petroleum hydrocarbon (TPH) removal and temperature variations in bunker fuel oil C contaminated soil were investigated by using microwave radiation in the presence of triiron oxide or activated carbon as a heating element. Temperature increments of $1.4{\sim}1.6^{\circ}C/Watt$ were observed, when 100~500 watt of microwave radiation was applied for the contaminated soil in the presence of triiron oxide or activated carbon. Temperature variation of the soil was more rapid in the presence of triiron oxide than activated carbon. 10% or 25% of heating element content was required to reach the temperature of thermal desorption for triiron oxide and activated carbon respectively. After radiation, 44.1% and 89.4% of initial TPH in soil was removed in the presence of triiron oxide and activated carbon respectively. It was observed that activated carbon was more reactive than triiron oxide for the removal of high molecular carbon of bunker fuel oil C.

Keywords

Oil-Contaminated Soil;Total petroleum Hydrocarbon (TPH);Microwave;Bunker Fuel Oil C;Triiron Oxide;Activated Carbon

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Acknowledgement

Supported by : 서울녹색환경지원센터