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RECYCLING OF SOLID WASTE IN SOME ASIAN COUNTRIES

机译:某些亚洲国家对固体废物的回收利用

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Solid waste management, in some of the Asian countries, is being oriented towards resource generation through inclusion of material and energy recovery systems under the strong impetus of several regulations. The sustainability of recycling sector depends on the cost-effectiveness which is governed by the economic status of a society. Hence in order to assess and analyze the status of recycling; the Asian countries could be well divided into two groups i.e. developing economies like India, China etc. and developed economies like Japan. As far as the municipal solid wastes is concerned, in the developed countries, there exists an organized method for collecting and processing some of the recyclables like paper; however; the commercial viability of such recycling technologies is not very certain. In case of developing nations like India, the recovery and recycling of various ingredients, like paper, glass and metals, has been practiced by the informal sector. However the percentage of these recyclable ingredients is very less in the municipal solid waste. On the other hand the economics does not permit the recycling of recyclables available in huge quantities in the solid waste. Hence the technologies for biological and thermal processing are being established through private sector participation. In case of industrial wastes every attempt is made to reuse or recycle the material discarded from the process provided it is economically feasible as the industries are always profit oriented concerns. Otherwise a least expensive path is adopted for the disposal. On industrial scene there is an awareness to incorporate recycling and waste minimization technologies to reduce load on otherwise expensive secure landfills.
机译:在一些法规的强力推动下,在某些亚洲国家中,固体废物管理正通过将材料和能量回收系统包括在内而转向资源生产。回收部门的可持续性取决于成本效益,成本效益取决于社会的经济状况。因此,为了评估和分析回收状态;亚洲国家可以分为两类,即印度,中国等发展中经济体和日本等发达经济体。就城市固体废物而言,在发达国家,存在一种有组织的方法来收集和处理一些可循环利用的物品,例如纸。然而;这种回收技术的商业可行性还不是很确定。对于像印度这样的发展中国家,非正式部门已经实行了纸张,玻璃和金属等各种成分的回收和再循环。但是,这些可回收​​成分在市政固体废物中所占的比例非常低。另一方面,经济学不允许固体废物中大量可用的可循环利用物的循环利用。因此,通过私营部门的参与正在建立生物和热加工技术。对于工业废物,将尽一切努力重新利用或回收从过程中丢弃的材料,前提是在经济上可行,因为工业始终是利益导向的问题。否则,将采用最便宜的路径进行处理。在工业现场,人们意识到将回收和废物最小化技术相结合,以减少原本昂贵的安全垃圾填埋场的负荷。

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