Metal products factories need to use a lot of metals and chemicals in the production process. Even if the electroplating wastewater discharged <br>is treated, it will also have a certain impact on the environment. With the scarcity of water resources and enhance environmental protection requirements, the industrial wastewater <br>discharge standards become more stringent, coupled with growing business and factory production, which follows the traditional wastewater treatment technology <br>operation can not meet the emission requirements, the factory must adopt more advanced technology only effective to reduce pollution in the wastewater <br>composition such as heavy metals and nitrogen.
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