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Correct selection method of polyacrylamide for mineral processing

After the raw ore enters the concentrator through crushing, grinding and separation operation, the useful minerals in the ore are sorted into one or more concentrate products, and the tailings are discharged in the slurry state. If a large number of tailings are not properly handled, it is very harmful. The tailings water discharged from the concentrator often contains a large number of agents and harmful substances. Added to its source for ore dressing process of flotation reagents and metal elements in the ore, common with pine oil, lead, copper ions, zinc ions, there could be a particular case, such as arsenic, phenol mercury by using anionic polyacrylamide and nonionic polyacrylamide tailings flocculation, after dewatering equipment of dehydration, tailings slurry can realize dry, dry heap or comprehensive utilization.


Correct selection method of polyacrylamide for mineral processing



After the raw ore enters the concentrator through crushing, grinding and separation operation, the useful minerals in the ore are sorted into one or more concentrate products, and the tailings are discharged in the slurry state. If a large number of tailings are not properly handled, it is very harmful. The tailings water discharged from the concentrator often contains a large number of agents and harmful substances. Added to its source for ore dressing process of flotation reagents and metal elements in the ore, common with pine oil, lead, copper ions, zinc ions, there could be a particular case, such as arsenic, phenol mercury by using anionic polyacrylamide and nonionic polyacrylamide tailings flocculation, after dewatering equipment of dehydration, tailings slurry can realize dry, dry heap or comprehensive utilization.


Characteristics of mineral processing wastewater

Concentrator is a large user of water, and the beneficiation wastewater has a large amount of water, high suspended content, containing more harmful substances, the harmful substances are heavy metal ions and mineral processing agents, heavy metal ions copper, zinc, lead, nickel, barium, cadmium and arsenic and rare elements;


1, the water quality of simple mineral processing sewage, some mineral processing process added corresponding auxiliary materials will cause complex water quality;

2, the water quality is cloudy, some mineral processing sewage water impurities sinking speed of small suspended particles on polyacrylamide is not common;


Introduction of polyacrylamide for mineral processing

Belongs to water purification flocculant polyacrylamide, at the same time is also a kind of mineral additives, it can speed up the solid-liquid separation of mineral processing wastewater, improve the utilization efficiency of mineral recovery and production, increase income, can reduce the ore dressing wastewater pollution to the environment at the same time, can use polyacrylamide processing industry has a lot of, include: Coal, gold, silver, copper, iron, lead, zinc, aluminium, uranium, nickel, phosphorus, potassium, manganese, salt, tungsten, and many other rare metals, so, the different types of models are not the same as those used in mineral processing industry, the coal, gold, silver, copper, iron, lead, zinc, aluminium, uranium, nickel, phosphorus, potassium, manganese, salt, tungsten, and many other rare metals mineral beneficiation, use of polyacrylamide type are two main categories: Anionic and non-ionic, specific polyacrylamide product model, need to pass the laboratory test, to the factory machine test, to determine the product selection.

Selection of reagent for mineral processing wastewater treatment


Ore dressing wastewater sedimentation generally USES anionic polyacrylamide and nonionic polyacrylamide products, based on the selected mineral water treatment process and the nature of the washing water, take a test to determine the product type, dosage, etc., appropriate use of polyacrylamide, ore dressing wastewater not only improve the effect of flocculation, effective mud washing wastewater treatment, It also plays an important role in ensuring mineral processing product index, improving efficiency and reducing cost.


Precautions for Use

1. When using, it is very important to disperse the product in water, otherwise it will lead to agglomeration of dispersant and "fisheye" and increase the dissolution time.

2, the use of warm water can speed up the dissolution rate, but too high temperature, will lead to thermal degradation of polymer chain, viscosity will be affected, the general water temperature can not exceed 50℃.

3, the use of stirring can help dissolve, but stirring too severe will make the dispersant long chain fracture degradation, stirrer ship propulsion type.

4, the storage time of aqueous solution can not exceed 48 hours, otherwise it is easy to cause viscosity decline, affect the use effect.


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