When polymeric ferric sulfate is used in the treatment of rare earth industrial wastewater: for example, the device keeps the tiny solid particles of wastewater and the surface of the high-concentration ion membrane at a certain distance from the surface of the membrane, greatly reducing harmful substances and the membrane surface has the opportunity to avoid pollution on the membrane surface, polymerized sulfuric acid Iron improves the excessive circulation of water; this process not only separates the rare earth extraction process wastewater with high concentration of ammonium chloride enrichment, the rare earth industry standard post-recycling of wastewater, but also through the electrolysis process and solar energy for a successful hydrochloric acid and ammonia reactor Recovery, polyferric sulfate reduces the recycling of raw materials for the production of rare earth industries, and the use of fuel cells to recover energy also adds that the cost of treating a large amount of waste water is 40 yuan, which is 1600 tons per day, including 100g/L of chlorination Calculated by ammonium, through this process, a generation of hydrochloric acid and ammonia water can achieve a profit of 110,000 yuan, which is not only the goal of reducing, stabilizing and harmless to the country's sewage treatment and disposal; strict control of heavy metals in rare earth industrial wastewater and toxic and harmful substances of polyferric sulfate; under the premise of safety, environmental protection and economic recovery, use the energy and resources of waste water and polyferric sulfate waste gas to realize the treatment and comprehensive utilization of waste water and waste gas, energy saving and emission reduction, and the development of circular economy the goal of.
Polyferric sulfate uses a combination of dielectric electrophoresis technology and osmotic membrane separation technology to recycle sewage, realize technological innovation and technological progress in wastewater treatment, and give full play to equipment investment and operational efficiency. It is suitable for China's national conditions and conforms to the characteristics of the Inner Mongolia Autonomous Region. New technologies for wastewater treatment, new technologies for polyferric sulfate and new equipment. If the new technology is widely applied, it will improve the treatment and disposal level of industrial wastewater of mining enterprises in this area, and polyferric sulfate will further protect and improve the ecological environment, and promote the sustainable development of our economy, society and environment in this area.
Industrial Wastewater Treatment
1. For the treatment of printing and dyeing wastewater, it replaces the coagulants of traditional low molecular weight iron salts and aluminum salts. Compared with traditional coagulants, the amount of coagulants is large, the coagulation efficiency is low, and there are aluminum ions and other residues that are easy to cause secondary pollution. Polyferric sulfate The dosage is about 150ppm, the dosage is small, the removal rate of COD and chroma is high, and the optimum pH value condition is: 8.0. [2]
2. For electroplating sewage treatment, it can be used as coagulant and collateral breaker. The complexes are mainly copper-ammonia complexes, which are stable in nature and have a pH of 11. It is difficult to directly undergo precipitation reactions with coagulants such as alkali and polyaluminum. It can also be used for reclaimed water.
3. Papermaking wastewater treatment, instead of polyaluminum chloride, aluminum sulfate, etc., used as a coagulant, and can also be used as papermaking sludge dehydration. In the white water recovery process of papermaking wastewater treatment, polyferric sulfate (containing strong cations) cannot be used polymer), only polyaluminum chloride can be used.
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When polymeric ferric sulfate is used in the treatment of rare earth industrial wastewater: for example, the device keeps the tiny solid particles of wastewater and the surface of the high-concentration ion membrane at a certain distance from the surface of the membrane, greatly reducing harmful substances and the membrane surface has the opportunity to avoid pollution on the membrane surface, polymerized sulfuric acid Iron improves the excessive circulation of water; this process not only separates the rare earth extraction process wastewater with high concentration of ammonium chloride enrichment, the rare earth industry standard post-recycling of wastewater, but also through the electrolysis process and solar energy for a successful hydrochloric acid and ammonia reactor Recovery, polyferric sulfate reduces the recycling of raw materials for the production of rare earth industries, and the use of fuel cells to recover energy also adds that the cost of treating a large amount of waste water is 40 yuan, which is 1600 tons per day, including 100g/L of chlorination Calculated by ammonium, through this process, a generation of hydrochloric acid and ammonia water can achieve a profit of 110,000 yuan, which is not only the goal of reducing, stabilizing and harmless to the country's sewage treatment and disposal; strict control of heavy metals in rare earth industrial wastewater and toxic and harmful substances of polyferric sulfate; under the premise of safety, environmental protection and economic recovery, use the energy and resources of waste water and polyferric sulfate waste gas to realize the treatment and comprehensive utilization of waste water and waste gas, energy saving and emission reduction, and the development of circular economy the goal of.
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