- The main application of super absorbent polymer
- Correct selection method of polyacrylamide for mineral processing
- What is the degree of hydrolysis and ionic degree of polyacrylamide?
- What factors are related to the amount of polyacrylamide?
- Effect and distinction of polyacrylamide and decolorizing agent
- Causes and solutions of sludge whitening in sewage
- Application of polyacrylamide in the whole process of oil recovery
- Characteristics and application range of instant polyacrylamide
- Spray drying polyaluminum chloride -- Chinafloc-PAC
- Sludge dewatering process of polyacrylamide
In the field of coal mining application of polyacrylamide
Coal washing special polyacrylamide as to coal slurry thickener in rapid precipitation, to ensure that qualified washing and dewatering of coal slime production, so that the production efficiency and economic operation, we must choose suitable flocculant to strengthen coal slurry treatment. Through recent years production practice proved that polyacrylamide of coal slime water treatment effect is good, can accelerate the slime settlement and have contributed to the filter manufacturing.
Coal washing special polyacrylamide for the treatment of slime water, must be to add appropriate amount in order to effectively play its flocculation effect. According to the selected process of slime water treatment and coal slurry properties determined through test. Amount, at the very least, lead slime settling velocity is slow, overflow concentration extremely easy to exceed the standard, can not guarantee required by the circulating water index, so that the coal washing product index of stability is difficult to control. Excessive amount, while speeding up the coal slime settling velocity, but it is likely to cause concentration underflow concentration is too high; general concentration underflow concentration requirements in 500 g / L, which can meet the press production; dosage is too much concentration underflow concentration sometimes as high as 700g / L or more, and underflow polyacrylamide content increased, so on the underflow transportation and filter production adversely, in the filter to unload the briquette briquette is not easy to fall off, increasing the labor intensity of the operation personnel, reduce the efficiency; at the same time also caused the medicament waste, increase the cost of production. Therefore, appropriate use of polyacrylamide, not only can improve the effect of flocculation and effective treatment of coal slurry, but also to ensure the indexes of coal washing products, improve work efficiency, reduce costs but also plays an important role.
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