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首页> 外文期刊>Environmental Science & Technology >Quantifying Life Cycle Environmental Benefits from the Reuse of Industrial Materials in Pennsylvania
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Quantifying Life Cycle Environmental Benefits from the Reuse of Industrial Materials in Pennsylvania

机译：量化宾夕法尼亚州工业材料的再利用所带来的生命周期环境收益

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摘要

Local reuse of waste materials from industrial processes has many potential environmental benefits, butthese have been difficult to aggregate and measure across industries on a broad geographic scale. Nonhazardous industrial waste is a high volume flow principally constituted of wastewater with some solid materials. The state of Pennsylvania produced some 20 million metric tons of these residual wastes in 2004. An innovative reporting requirement for industrial generators implemented and compiled by the Pennsylvania Department of Environmental Protection has resulted in a rich database collected since 1992 of residual waste generation, detailing the fate of more than 100 materials. By combining these records with life cycle inventory (LCI) data, the current and potential environmental benefits of residual waste use have been assessed. Results for Pennsylvania indicate a savings in 2004 of 13 PJ of primary energy, 0.9 million metric tons of CO_2eq, 4300 tons of SO_2eq, and 4200 tons of NO_x emissions from reuse of residual wastes. While these energy savings constitute less than 1% of total industrial primary energy use in the state, it is a greater quantity of energy than that generated by the state's renewable energy sector. The framework and constraints surrounding reuse of residual waste in Pennsylvania are discussed.
机译：工业过程中废料的本地再利用具有许多潜在的环境效益，但是很难在广泛的地理范围内对各个行业进行汇总和衡量。无害工业废物是一种高流量的物质，主要由带有某些固体物质的废水组成。宾夕法尼亚州在2004年产生了约2000万吨的这些残余废物。宾夕法尼亚州环境保护局对工业发电机实施了创新的报告要求，自1992年以来收集了丰富的残余废物数据库，详细说明了命运百余种材料。通过将这些记录与生命周期清单（LCI）数据相结合，已评估了残余废物使用的当前和潜在环境效益。宾夕法尼亚州的结果表明，2004年通过剩余废物的再利用节省了13 PJ的一次能源，90万吨的CO_2eq，4300吨的SO_2eq和4200吨的NO_x排放量。虽然这些节能量不到该州工业一次能源总使用量的1％，但它的能源消耗量要比该州的可再生能源部门产生的能源消耗量大。讨论了宾夕法尼亚州剩余废物再利用的框架和约束。

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  • 来源
    《Environmental Science & Technology》 |2009年第7期|2550-2556|共7页
  • 作者

    MATTHEW J. FCKELMAN; MARIAN R. CHERTOW;

  • 作者单位

    Program in Environmental Engineering Center for Industrial Ecology Yale University, New Haven, Connecticut 06320;

    Center for Industrial Ecology Yale University, New Haven, Connecticut 06320 School of Forestry and Environmental Studies, Yale University, New Haven, Connecticut 06320;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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