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Concentrator wastewater is treated with polyacrylamide for reuse

Mineral processing is the most important part of the production of mineral products, mining enterprises is a key sector. General large mining enterprises are comprehensive mining, election, the rule of the resource enterprises. The process of separating mineral minerals from useful minerals and unwanted minerals (usually gangue) or harmful minerals, or separating a variety of useful minerals, by physical or chemical means, is called "mineral processing". Products, the useful ingredients of the enrichment of the said concentrate; useless ingredients known as tailings; useful ingredients between the concentrate and tailings, the need for further processing of the said mine. Metal mineral concentrates are mainly used as raw materials for the extraction of metals from the smelting industry. Non-metallic mineral concentrates are used as raw materials for other industries. The beneficiation can significantly improve the quality of mineral raw materials, reduce transportation costs, reduce the difficulty of further processing, reduce processing costs, and can achieve the comprehensive utilization of mineral raw materials. As the world's mineral resources are increasingly scarce, more and more use of lean ore and complex ore, so the need for ore processing ore is growing. At present, except for a small number of rich ore, metal and non-metallic (including <A a coal) ore almost all need to dress.
Concentrator sewage can not be free to discharge, because of its great harm, it is recommended to use anionic polyacrylamide pam plus poly aluminum chloride. If necessary, it is recommended to cooperate with heavy metal capture agent. Environmental protection, stressed that can not produce secondary pollutants, so it is recommended that you use the pharmaceutical time, consider whether there is residual emissions.
Mineral processing wastewater includes mineral processing drainage, tailings pond overflow and mine drainage.
The discharge of wastewater is large, the content of suspended solids is high, the content of harmful substances is high and the concentration is low.
The main hazardous substances in the wastewater are heavy metal ions and mineral processing agents. Heavy metal ions are copper, zinc, lead, nickel, iron, barium, cadmium, etc., and arsenic and rare elements.
The products with anionic polyacrylamide 1000-1400 molecular weight were used to study the beneficiation wastewater, and it was found that the experimental results were obvious. The beneficiation wastewater is proved to be free of cationic polyacrylamide, all of which are anionic flocculants, and the price of anionic polyacrylamide is much lower than that of cationic polyacrylamide.
Anionic polyacrylamide flocculant is mainly used to treat neutral suspensions based on inorganic solids. In urban and industrial wastewater treatment, used to improve the removal of suspended solids, COD and phosphate in wastewater.

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