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KMID : 1024520130220030269
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Journal of the Environmental Sciences
2013 Volume.22 No. 3 p.269 ~ p.279
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Life Cycle Assessment for the Business Activities of Green Company -1. Analysis of Process Flow and Basic Unit
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Shin Choon-Hwan
Park Do-Hyun
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Abstract
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In this paper, an environmental assessment was carried out on the whole process of industrial business activities to establish a basic plan for climate change mitigation and energy independency. The whole process was divided into each discharge process in terms of water, air, solid waste, green house gases and refractory organic compounds. The flowcharts and basic unit of process were analysed for three years (2008-2010), being utilized as basic information for the life cycle assessment. It was found that the unit loading for the whole process significantly depends on changes in the operation rate change and highly concentrated wastewater inflow. About 35% of solid waste production was reduced by improving the incineration method with co-combustion in coal boiler, generating about 57% of electricity used for the whole process, and consequently reducing the energy costs. As the eco-efficiency index was found to be more than 1, compared to the previous years, it can be said that improvement in general has taken place.
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KEYWORD
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Green Company, Flowcharts and basic unit of process, Eco-Efficiency, Life cycle assessment
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