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滴滴涕(DDT),作为三氯杀螨醇生产的中间原料,早在2001年就被列入《斯德哥尔摩公约》受控的持久性有机污染物(POPs)之一。17日,中国唯一的三氯杀螨醇生产线在江苏扬农集团正式关闭,标志着三氯杀螨醇在中国全面停产。三氯杀螨醇是一种防治棉花、果树、花卉等作物上螨类的杀虫剂,因其杀螨效果明显,且价格低廉,曾受广大农户青睐。然而持久性有机污染物DDT在三氯杀螨醇生产过程中作为中间原料使用,造成三氯杀螨醇中DDT残留,危害到环境和人体健康。
DDT, as an intermediate raw material for the production of dicofol, was listed as one of the controlled POPs in Stockholm in 2001. On the 17th, the only production line of dicofol in China officially closed in Yangonn Group in Jiangsu Province, marking the complete halt of dicofol production in China. Dicofol is a kind of insecticide for controlling mites on crops such as cotton, fruit trees, flowers and the like. It has been favored by farmers because of its obvious miticide effect and low price. DDT, however, is used as an intermediate raw material in the production of dicofol, resulting in DDT residues in dicofol that are harmful to the environment and human health.