With the development of electric industry, e-waste pollution has become a serious problem.

随着电力工业的发展，电子废弃物的污染已成为一个严重的问题。

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To propose some effective ways of water saving in chemical industry, e. g. saving water by cooling system, condensed-water recovery, waste water treatment etc.

采取冷却系统节水、冷凝水回收利用、污水净化回用等措施，可有效节约化学工业用水。

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Participants in that treaty tried to finalize e-waste guidelines, but they were not adopted because some developed countries and the electronics industry would not agree without adding loopholes to allow repairable electronic waste to be exempted, said advocacy group IPEN, a global network of more than 700 public interest non-governmental organizations.

NPR: Nations Agree To New Chemical Ban, Export Controls