The estimation of GHG reduction possibility of Korea's Iron&Steel Industry using scenario analysis
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Global warming is mainly caused by an increase in the concentration of greenhouse gases (GHG) as a result of human activities. CO2 emissions have increased due to industrial advancement that is directly proportional to energy consumption. The green industry is one of the efforts to reduce the increase in GHG emissions. The green industry implementation in Indonesia was initiated in 2010 through a green industry award. This study aims to determine the effect of the green industry in Indonesia on GHG emissions in industrial activities. The research method used in research is a descriptive quantitative method with a secondary data analysis. The results showed that there were a few effects (5.1%) of the green industry on reducing total GHG emissions in industrial activities. The GHG emission in the manufacturing energy sector has decreased which is influenced by the implementation of the green industry with an effectiveness value of 68.2%. The opposite effect occurs in the IPPU (Industrial Processes and Product Use) and waste sectors. The green industry increases GHG emissions in the IPPU sector with an effect of 92.4%, while it has an effect of 81% in increased GHG emissions in the waste sector. The green industry has not had a significant effect on reducing GHG emissions in industrial activities. This is due to the small number of industries that apply the green industry concept. The implementation of the green industry must begin to shift from voluntary to mandatory so that it can affect reducing GHG emissions.
Greenhouse effect
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Carbon dioxide equivalent
Emission intensity
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The globe climate change caused by GHG has become world wide concerning issue.Kyoto Protocol to the United Nations Framework came into force on 16 Feb,2005.The total amount of GHG emission in China reached 2.9 billion ton in 2000,which is in the second position next to the United State and on the top position amount the developing country.China will face great pressure on the relevant international negotiation.In 2000,the average emission of CO_2 per person in China is 2.53 t,but it appears a trend of rapid increasing of emission of GHG in China.The emission of CO_2 in Chinese steel industry is at the third position next to the power generation industry and cement industry.Some relevant international action and our research work in aspect of emission and mitigation of GHG in Chinese steel industry are introduced.
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Globe
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A new government report on climate change shows that global emissions of greenhouse gases have increased to very high levels despite various policies to reduce climate change. Building energy accounts for 40% of the world’s energy consumption and accounts for 33% of the world’s greenhouse gas emissions. This study applied the LEAP (Long-range energy alternatives planning) model and Bass diffusion method for predicting the total energy consumption and GHG (Greenhouse Gas) emissions from the residential and commercial building sector of Sejong City in South Korea. Then, using the Bass diffusion model, three scenarios were analyzed (REST: Renewable energy supply target, BES: Building energy saving, BEP: Building energy policy) for GHG reduction. The GHG emissions for Sejong City for 2015–2030 were analyzed, and the past and future GHG emissions of the city were predicted in a Business-as-Usual (BAU) scenario. In the REST scenario, the GHG emissions would attain a 24.5% reduction and, in the BES scenario, the GHG emissions would attain 12.81% reduction by 2030. Finally, the BEP scenario shows the potential for a 19.81% GHG reduction. These results could be used to guide the planning and development of the new city.
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Textile industry
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我が国鉄鋼業では，1970年代の第一次石油危機を契機に，徹底した省エネルギーに取り組み，世界トップレベルのエネルギー効率を実現してきた。これまで我が国鉄鋼業が取組んできた省エネルギーの手法としては，(1)プロセス革新，(2)プロセス効率改善，(3)副生ガスの最大活用，(4)排熱（エネルギー）回収，(5)廃棄物有効利用に大別される。特に2000年頃より廃棄物の高炉やコークス炉での利用に積極的に取り組んでおり，セクターを越えた取組として注目される。更に将来のプロセス革新のための技術開発にも積極的に取組んでいる。次世代コークス炉（SCOPE―21）は長期の開発期間を経て，現在商業1号機が建設されている。更には，コークス炉ガスからの水素供給や高炉ガス中のCO2を分離回収する技術開発が国家プロジェクトとして取組まれている。日本の優れた省エネ・環境技術は，近年成長著しい中国を始めとした発展途上国に技術供与され，将来のエネルギー・資源への対応のみならず，地球温暖化問題に対しても大きな効果が期待されている。
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본 연구에서는 국내 산업별 온실가스 배출량 및 에너지 소비량, 실질 부가가치 자료를 활용하여 1990년부터 2018년까지 산업별 온실가스 배출량과 실질 부가가치 간의 탈동조화 경향을 분석하였다. 또한 온실가스 탈동조화 지수의 변화요인을 에너지원단위 변화요인과 배출계수 변화요인으로 나누는 로그평균 Divisia 지수(LMDI) 분석을 활용하여 산업부문의 온실가스 탈동조화의 변화요인을 살펴보았다. 분석결과, 우리나라의 온실가스 배출량과 경제성장 간의 탈동조화는 2000년대에 가장 심화되었다. 이러한 경향성은 에너지 다소비 업종과 수송부문에서 가장 두드러졌으며, 탈동조화의 변화요인은 주로 에너지원단위 개선 효과인 것으로 보인다. 마지막으로, 고부가가치 산업인 상업 및 공공서비스 부문의 경우 배출계수변화 효과로 인해 온실가스 배출량 동조화 경향성이 뚜렷해지고 있는 것으로 나타났다.
Divisia index
Decoupling (probability)
Value (mathematics)
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Consumption
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Carbon dioxide (CO2) discharged by transportation industry accounts for 20%～30% in developed countries,about 8% in China.Recently,transportation industry has been a major sector of fast growing of Greenhouse Gas (GHG) emission in global and China.Combination of technical and managerial measures must be applied to reduce GHG emission of transportation industry to achieve a sustainable development.
Transportation industry
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