期刊
JOURNAL OF CLEANER PRODUCTION
卷 16, 期 13, 页码 1379-1387出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2007.07.004
关键词
eco-efficiency; iron rod industry; industrial ecology; energy intensity; material consumption; water use; waste generation; CO2 emission
This paper presents the eco-efficiency of energy intensity, material consumption, water use, waste generation, and CO2 emission in terms of production value in net sales (US$) per environmental influence using empirical evaluation. Evaluation has been considered only within production process boundary of iron rod industry. Evaluation of eco-efficiency tried to couple the economic and environmental influences of industry to know economic and environmental excellence. Eco-efficiency of iron rod industry was quantitatively analyzed and determined that energy, material consumption, water use, waste generation, and CO2 emission eco-efficiency have been increased gradually along with increased production during analysis period of five years (2001-2005). It was possible due to installing heat recovery unit along with innovative processes modification. While comparing each year's eco-efficiency of all above-mentioned parameters, eco-efficiencies were increased that indicates less resource use and less waste released. As a general statement of overall comparison and characterization of eco-efficiencies of five years duration, iron rod industry was eco-efficient in all aspects. Eco-efficiency being an emerging trend has not yet been implemented in Nepal. It is further recommended to adopt the eco-efficiency evaluation in other industries. In addition, it is high time to augment the provision of eco-efficiency concepts in industrial policy and legislation concerned. (c) 2007 Elsevier Ltd. All rights reserved.
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