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Effluent Minimization in European and North American Pulp and Paper Industries-Major Incentives for Mills to Reduce Water Consumption-

机译:欧洲和北美纸浆和造纸工业的流出物质最小化 - 厂的主要激励措施降低耗水量 -

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摘要

Environmental regulations and economics have increased interest in minimizing water use and effluent discharge in the world.The reduction of water use by pulp and paper industries is mainly driven by environmental regulation and cost saving.Although our water consumption has decreased considerably during the last decade,we are still large users of fresh water in comparison to other manufacturing industries.A good water management allows us to reduce the water consumption without any increase in toxicity and affection to the processes or the quality of the final products.US pulp and paper industry discharged 53 mVadt of effluent in 1999.This represents a 40 percent reduction as compared to 1975.Continuous progress has been made by the Canadian industry in reducing water use.The average discharge is 66 mVadt presently.Current design levels for new mills in the newsprint and bleached kraft sectors are about 15 mVadt and 50 mVadt,respectively.The average discharge of EU pulp and paper industry is 35 mVadt presently and show the decrease of 19mVadmt(35%)during recent 5 years.In Japan the national average of effluent discharge by the pulp and paper industry is about 90 mV adt in 2001.Although the effluent volume has been decreased 75 mVadmt(45%)since 1980,there are still opportunities for further reduction on water use and effluent discharge.This paper provides a summary of the effluent minimization implemented in European and North American pulp and paper industries during the 1990 s.
机译:环境法规和经济学增加了对最小化世界用水和污水排放的兴趣。纸浆和造纸工业的用水量主要受环境规则和节省成本驱动。虽然我们的耗水量在过去十年中有很大减少,与其他制造业相比,我们仍然是淡水的大用户。良好的水管理使我们能够降低毒品消耗,而不会对流程的毒性和情感或最终产品的质量增加。使用纸浆和造纸工业1999年53米MVADT污水。这一占1975年的减少40%。加拿大工业在减少水中的情况下,加拿大工业取得了连续进展。平均排放目前是新工厂的新工厂的66 MVADT。漂白的牛皮纸部门分别为约15mVadt和50 mvadt。欧盟纸浆和纸张的平均排放目前,STRY是35 MVADT,近5年来显示19mVadmt(35%)的减少。在日本纸浆和造纸工业的国家平均污水排放量约为90 mV ADT。虽然流出物量已减少75 MVADMT(45%)自1980年以来,仍有机会进一步减少水使用和污水排放。本文在1990年S期间提供欧洲和北美纸浆和造纸工业中实施的污水最小化综述。

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