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In power plant flue gas desulfurization, there are many problems that manufacturers are concerned about. For example,  sulfur-containing flue gas, and the problem of foam in the desulfurization process. Methods have to be found one by one, problems have to be solved one by one.

Let's take a look at why defoamers are used in power plant flue gas desulfurization.

The foam generation is caused by many factors such as rising liquid level, vibration, jitter, and auxiliaries in power plant flue gas desulphurization.

If the foam is not treated in time, it will increase the cost efficiency of desulfurization, and affect human health and the environment.

Generally, the harm of foam in power plants' flue gas desulfurization can be summarized as follows:

(1) In the absorption tower of the desulfurization process of the power plant, foam appears during the washing process of limestone slurry, resulting in ash accumulation at the entrance of the absorption tower.

(2) Foam can lead to an increase in surface tension, causing the liquid level in the tower to become too high and the slurry to overflow. Even increase the loss of raw materials.

(3) After the foam is produced, the heat exchanger will scale and block.

(4) Foam affects the desulfurization effect of power plants.

(5) Foam will increase the desulfurization costs and decrease the desulfurization efficiency.

If we want to completely cut FGD foam in power plants, we must understand the causes of foaming.

The main causes of foaming in flue gas desulfurization in power plants are:

(1) There are many kinds of auxiliaries. They have chemical reactions with each other to cause foaming.

(2) Stirring during production, shaking or vibration in the equipment will lead to foam.

(3) As the bottom slurry disturbance pump pulse disturbance or agitator stir. It leads to the generation of foam.

(4) The increase of heavy metal ions causes the surface tension of the slurry to increase. It is also a reason for the formation of foam.

(5) If the site environment does not meet the production requirements. It will also cause foaming.

If you want to know more about power plant desulfurization defoamer, please consult our company now.