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J Korean Soc Environ Eng > Volume 37(8); 2015 > Article
J Korean Soc Environ Eng 2015;37(8): 458-464. doi: https://doi.org/10.4491/KSEE.2015.37.8.458
마이크로파 조사와 발열체를 이용한 벙커C유 오염토양의 복원
오다경, 이태진
서울과학기술대학교 환경공학과
Remediation of Bunker Fuel Oil C Contaminated Soil with Microwave Radiation and Heating Elements
Da-kyung Oh, Tae-jin Lee
Department of Environmental Engineering, Seoul National University of Science & Technology
Corresponding author  Tae-jin Lee ,Tel: 02-970-6614, Fax: 02-971-5776, Email: leetj@seoultech.ac.kr
Received: July 15, 2015;  Revised: August 25, 2015;  Accepted: August 29, 2015.  Published online: August 31, 2015.
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 1.4~1.6℃/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.
Key Words: Oil-Contaminated Soil, Total petroleum Hydrocarbon (TPH), Microwave, Bunker Fuel Oil C, Triiron Oxide, Activated Carbon
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