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LCA기법을 적용한 구리 및 알루미늄 금속자원 순환의 환경성 평가
신우철(Woo Chul Shin),황용우(Yong Woo Hwang),문진영(Jin Young Moon),공찬휘(Chan Hwi Kong) 大韓環境工學會 2014 대한환경공학회지 Vol.36 No.2
구리 및 알루미늄의 1차가공제품을 제조함에 있어 2차자원(스크랩)의 사용 및 미사용 시 발생되는 환경부하량을 전 과정평가(LCA)기법을 적용하여 정량화하고, 환경에 미치는 영향을 8가지 환경영향범주로 나누어 환경부하를 분석하였다. 또한 구리 및 알루미늄의 자원순환율이 증가할 경우 동일한 1차가공제품생산 단계에서 발생되는 온실가스 발생량을 국내범위와 전지구적범위로 분석하였다. 그 결과 구리의 경우 1차가공제품 1 ton 생산 시 2차자원의 사용 및 미사용 시 전체 환경범주에 대한 환경영향은 각각 6.09E + 01 person-yr/f.u. 및 7.23E + 01 person-yr/f.u.로 나타났으며, 온실가스 발생량은 국내범위 및 전지구적범위 모두 자원순환율이 증가함에 따라 저감되는 것으로 조사되었다. 알루미늄의 경우 1차가공제품 1 ton 생산 시 2차자원의 사용 및 미사용 시 전체 환경범주에 대한 환경영향은 각각 2.34E + 02 person-yr/f.u. 및 3.01E + 02 person-yr/f.u.로 나타났으며, 온실가스 발생량은 국내범위에서는 자원순환율이 감소함에 따라, 전지구적범위에서는 자원순환율이 증가함에 따라 저감되는 것으로 조사되었다. In this research, we quantified the environmental load while using and not using secondary resources. During the process of primary processed product of metal resources (copper, aluminum), we applied LCA technique and analyzed by dividing into 8environmental impact categories that affect the environment. Furthermore, we analyzed the greenhouse gas that occur during the process of primary processed product domestically and globally according to the changes of each metal resource``s recycling rate. Consequently, when producing 1 ton of copper using secondary resources, the environmental effects were found to be 6.09E + 01person-yr/f.u. and 7.23E + 01 person-yr/f.u. Additionally, as the recycling rate increased both globally and domestically, the amount of greenhouse gas decreased. Producing 1 ton of Aluminum using secondary resources, the environmental effects were found tobe 2.34E + 02 person-yr/f.u. and 3.01E + 02 person-yr/f.u. Moreover, as the recycling rate domestically decreased, the amount of greenhouse gas increased, however the globally was decreased.
CSOs 처리시설 설치사업의 탄소저감효과에 대한 타당성 분석
김장우(Jang Woo Kim),문진영(Jin Young Moon),황용우(Yong Woo Hwang),곽인호(In Ho Gwak) 한국위험물학회 2015 한국위험물학회지 Vol.3 No.2
In this study, the carbon reduction effect of CSOs(Combined sewer overflows) treatment facilities was analyzed by calculating the amounts of carbon emission in different treatment plants. After CSOs treatment facilities were installed, the amount of energy required for and carbon emission caused by treating the same amount of CSOs in wastewater treatment plants was reduced by 77% and 87%, respectively. Also, the amount of annual energy use and green house emission for treating the 94,160 kgBOD was reduced by 42.35 TOE and 290.19 tCO₂, respectively, after installing the facility. Analysis of carbon reduction according to the design method showed that the continuous type facility reduced 94 TOE of energy and 221 tCO₂/year of greenhouse gas emission, while the multi-function storage tank reduced 11,639.7 tCO₂/year.
정인우(In Woo Jeong),이익모(Ik Mo Lee),황용우(Yong Woo Hwang),김영운(Young Woon Kim) 한국위험물학회 2018 한국위험물학회지 Vol.6 No.1
The purpose of this paper is to find the system that can be introduced in Korea in order to minimize damage in case of chemical accidents from the result of reviewing the chemical management systems of the US and EU. The Korean Chemical Management Act, the US Emergency Planning and Community Right to Know Act, and the EU Seveso Directive are the scope of the study. We proposed five systems that can be introduced in Korea. First, the Korean Chemical Substance Management Act does not have local participations. This is because we don"t have local emergency response systems. Therefore, Korea local emergency response systems such as SERC and LEPC in the US should be installed. Second, the Korean local emergency response system, have to make an emergency response plan as well as an emergency response plan for each workplace established in the risk management plan. Third, it is possible to minimize the damage caused by chemical accidents by reporting to the Korea local emergency response system. Fourth, in the European Seveso Directive, they regulate large-scale workplace more effectively than small- and medium-sized ones by regulating the scale of harmful substances. We can introduce similar way so we can regulate more effectively. Fifth, we have to make a way that can collect opinions of residents (public) when we make a local emergency plan. Also, in this paper, we checked the law of city A and city B to find out our five proposed systems are exist or not and examined the differences between them and the foreign system. In addition, set three and ten years" time to suggested what kind of system should be introduced first in each period in establishing the Korean emergency response system. The first step is to establish an emergency response plan for each industrial complex through six chemical disaster prevention centers (Yeosu, Siheung, Seosan, Ulsan, Iksan, and Gumi) during the current operation. In my opinion, it is right to establish an emergency response plan for an industrial complex (area) in the environmental team under the Ministry of Environment, which is the executor of the Chemical Substance Control Act. The second step is installing a regional branch office. In this branch, I believe it is right not only to plan for the regional emergency response system but also to respond to the occurrence of a chemical accident. And public involvement in establishing a regional emergency response plan at the installed branch in the third order. The fourth step is to expand the scope of the notification to the branch office where the chemical accident occurred. The final order is the separate management of the handling of chemicals over the reference quantity.