The application of water treatment chemical ZH442MS in acid addition cooling water system of chemical fiber plant is described.

介绍了ZH442 MS水处理药剂在化纤加酸循环水系统的应用情况。

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Widely used in water treatment chemical, metallurgy, thermal power, pharmaceutical, paper, printing and dyeing, food production before and after the process.

广泛用于化工、冶金、热电、制药、造纸、印染、食品等生产前后的水质处理过程中。

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As a chemical it's also used in insecticides, water purification, sewage treatment and the production of ammonia.

作为一种化学原料，它也被用于制造杀虫剂、提纯水、净化污水和制氨。

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They also argued over-use of the company's weedkiller Roundup, the chemical treatment the alfalfa is modified to be resistant to, could cause pollution of ground water and lead to resistant "super-weeds".

BBC: Monsanto GM seed ban is overturned by US Supreme Court

Now, companies with plants that use or produce chemicals on the list have to complete a long form (one form per chemical, per plant), which tells exactly how much of the chemical is used or produced and where it is going (air, water, recycling, waste treatment).

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