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J Korean Soc Environ Eng > Volume 38(8); 2016 > Article
J Korean Soc Environ Eng 2016;38(8): 435-443. doi: https://doi.org/10.4491/KSEE.2016.38.8.435
석유화학산업의 벤젠 비산배출 저감을 위한 MACT 적용효과
김훈장1, 문진영1, 황용우2, 곽인호1
1인하대학교 환경안전융합전공
2인하대학교 환경공학과
MACT Application Effect in Petrochemical Industry to Minimize Benzene Fugitive Emission
HunJang Kim1, Jinyoung Moon1, Yongwoo Hwang2, Inho Kwak1
1Environment & Safety Technology Convergence Engineering in Inha University
2Environmental Engineering in Inha University
Corresponding author  Jinyoung Moon ,Tel: 032-860-8756, Fax: 032-860-8756, Email: jy-sima@hanmail.net
Received: June 10, 2016;  Revised: July 12, 2016;  Accepted: July 25, 2016.  Published online: August 31, 2016.
ABSTRACT
In this study, MACT (Maximum Achievable Control Technology) application effect was evaluated for minimization of benzene fugitive emission in petrochemical industry. Although fugitive emission for benzene in the nation was regulated by the Clean Air Conservation Act from 2015, the US EPA already has introduced MACT standard to minimize its emission with up-to-date technology since 1995. EPA Emission Factor (AP-42) and EPA MACT Standard Guideline were used to assess MACT application effect. As a result, For MACT application it could reduce benzene emission up to 98% (average) comparing with uncontrolled facility, while the national regulation could achieve about 95% (average) reduction which is slightly lower than MACT. However there is no control measure in the national regulation to reduce benzene emission for vessel loading even though MACT standard requires preventive facility such as VRU (Vapor Recovery Unit). For further reduction of benzene emission, it needs to be mandatory for operation of VRU when benzene product is loaded in vessel. These efforts could contribute to achieve the global level for benzene emission management in national petrochemical industry.
Key Words: MACT (Maximum Achievable Control Technology), Benzene, Clean Air Conservation Act, Fugitive Emission, Vapor Recovery Unit
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