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트럭 버스용 타이어(TBR)에 대한 탄소발자국 산정 및 비교
곽인호 ( Inho Kwak ),위대형 ( Daehyung Wie ),장선미 ( Sunmi Jang ),김봉근 ( Bonggeun Kim ) 한국전과정평가학회 2023 한국전과정평가학회지 Vol.24 No.1
기업의 지속가능전략 수립 시 환경적 전략 수립의 중요성이 강조됨에 따라 여러 타이어 제조업체에서는 타이어 제조 시 환경영향요인 저감, 제품환경전략 수립을 위해 제품의 환경성을 정량적으로 평가하고 있다. 본 연구는 대표적인 환경성 평가 tool인 LCA(Life Cycle Assessment)와 Carbon footprint 기법을 이용해 트럭버스타이어(TBR) 제품에 대한 환경영향을 정량적으로 분석하였다. As the importance of environmental strategy is gaining weight, a number of tire manufacturers are quantifying the environmental aspect of a product in order to reduce the environmental impact of the product and devise an environmental strategy for the product. In this study, the environmental impact of truck bus radial(TBR) tire was quantified using Life Cycle Assessment(LCA) and Carbon footprint which are the two of the main methods for assessing environmental impact.
국내 회전익 조종사 항공 신체 검사 2015년 연간 현황
서병성(Byung-Seong Suh),현우석(WooSeok Hyun),곽인호(Inho Kwak),권영환(Young Hwan Kwon),김규성(Kyu-Sung Kim),안철민(CheolMin Ahn),이진우(Jin-Woo Lee),진희승(Hee Seung Chin),하윤(Yoon Ha),장정순(JoungSoon Jang) 한국항공우주의학협회 2017 항공우주의학회지 Vol.27 No.3
The medical certification for pilots is required by the aviation safety authority in most countries based with the International Civil Aviation Organization (ICAO) recommendation. In this study, medical data of the year of 2015 for the Korean rotary-wing pilot population, including examination findings and reasons of unfitness were reviewed by retrospective analysis. Among the total 591 cases, 64 (10.8%) were determined to be conditioned fit as a consequence of abnormal findings. Three (0.5%) were denied certification as unfit. Hearing loss (32.8%) was the most common cause of disqualification differing from that of fixed-wing pilots. It is not surprising data in that helicopter is notorious for its noise and vibration when flying compared with fixed-wing aircraft. Hypertension (23.9%) and diabetes (9%) were following causes. There was an increasing variation in medical unfitness as pilots" age and total flight time are increased respectively. Rate of the conditioned fit tends to be significantly increasing the age of 55 or more or the flight time of 5,000 hours. These results suggest that aeromedical decision should be made under understanding of the influence of age, total flight time and aircraft type flight environment to ensure flight safety.
석유화학산업의 벤젠 비산배출 저감을 위한 MACT 적용효과
김훈장(HunJang Kim),문진영(Jinyoung Moon),황용우(Yongwoo Hwang),곽인호(Inho Kwak) 대한환경공학회 2016 대한환경공학회지 Vol.38 No.8
본 연구는 석유화학산업 시설에 MACT (Maximum Achievable Control Technology) 적용 시 벤젠 비산배출량 저감 효과를 분석 하였다. 국내에서는 2015년부터 대기환경보전법에 따라 벤젠 비산배출 저감 위한 규제를 시행하였으나, 미국 EPA에서는 이에 앞서 1995년부터 최대달성 가능한 통제기술인 MACT 기준을 적용하여 벤젠 비산 배출을 효과적으로 관리하고 있다. 본 연구를 위하여 벤젠 배출량 산정 방법론은 EPA Emission Factor AP-42 및 EPA MACT Standard Guideline를 활용하였다. 연구 결과 MACT 적용할 경우 Uncontrolled facility에 비하여 벤젠 배출량이 평균 98% 수준으로 저감 가능한 것으로 나타난 반면 National Regulation 경우 MACT 수준에 비하여 다소 낮은 평균 95% 수준의 저감율을 보이는 것으로 분석되었다. 그러나 MACT 기준 경우 벤젠 선박출하 시 유증기 회수설비(Vapor Recovery Unit, VRU) 등을 가동하여 배출 저감토록 요구하고 있음에도 불구하고 National regulation에서는 별도 규제 사항이 없는 실정이다. 추가적인 배출저감 달성을 위해서는 벤젠 선박출하 시 VRU 등 유증기 저감설비 도입의 법제화가 필요하다. 이러한 노력은 국내 석유화학산업의 벤젠 배출관리능력을 Global 수준으로 향상시키는데 기여할 것으로 기대된다. 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-todate 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.