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Do you know how to choose defoamers for Coal washing industry?

Do you know how to choose defoamers for Coal washing industry?

The transformation and upgrading of the coal industry is the only way ... To promote industrial restructuring and transformation and upgrading, the core is coal washing. The main role of the coal washing process is to reduce coal transportation costs and increase coal utilization. However, there is usually a problem with coal washing, that is, the foam problem. These foams are mainly caused by impurities, surfactants, agitation, etc. mixed in raw coal mining.

What is coal washingdefoamers for coal

Through the impact of water flow, the raw coal with different composition and different specific gravity is separated into different grades, and the dust and waste stone are removed to reduce the ash and sulfur content, which is called coal washing.
Coal washing is an indispensable link in coal processing. The coal after coal washing is called clean coal. In addition to the purpose of environmental protection, coal washing can also increase the utilization rate of coal.

 

The hazards of foam in coal washing

a. Foam will affect the subsequent process, resulting in work progress not keeping up;defoamers for coal
b. Foam will lead to unqualified product quality and reduce customers' trust;
c. The foam has caused an increase in production costs and increased the budget.

Causes of foaming in coal washing

a. Because the surface active ingredients of coal are too high, it is easy to cause foaming after stirring;
b. Due to the mixing or shaking during production, air will enter, resulting in the generation of foam;
c. Because coal contains foaming substances, these substances react with certain substances, causing foaming;
d. The chemical reaction caused by other additives added to coal causes foaming.defoamers for coal

Foam in coal washing is very harmful. If it is not removed in time, it will have an impact on mining progress, coal accuracy, production efficiency, production cost, etc., so defoamers must be added.

 

 

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