Power plant desulfurization defoamer-Types and advantages
In the process of thermal power plants, water is recycled and used in addition to the circulation system, but also for the cleaning of many equipment. Resulting in a large amount of sewage wastewater, and power plant desulfurization antifoam agent happens to be born for this purpose. But the power plant desulfurization defoamer is quite a variety, the effect is also related to the type of foaming liquid, which is why some defoamer effect is good, but some are not obvious, or even useless. Commonly used power plant desulfurization defoamer according to the different components can be divided into the following, take a look at it.
The first category is a silicon defoamer, that is, the common silicone defoamer, modified silicone defoamer, silicone resin and other emulsion-type defoamer. In addition, the use method is convenient and quick, directly emulsify the defoamer and disperse it in water and add it to the wastewater.
The second category is the surfactant class, that is, the emulsifier, has a certain degree of defoaming function. The use of surfactants to disperse, so that the formation of foam substances in the water to maintain a stable emulsified state, so as to disperse to avoid foam generation.
The third category is the mineral oil as the main defoaming components of the defoamer, in order to increase the effect of defoaming, will mix other insoluble foaming medium of oil, and also contains hydrophobic silica to improve performance, so as to achieve the effect of rapid defoaming.
Power plant desulfurization defoamer can be added directly to the foaming system, but also can be diluted before use, in accordance with the form of drip or spray added to the wastewater, the amount added in accordance with the total amount of wastewater of one-thousandth to about three can be, but the case of strict system, as far as possible or according to the experiment in the decision. It is worth noting that please use immediately after dilution, otherwise the product performance and quality will be affected.
Power plant desulfurization antifoaming agent defoaming fast, long foam inhibition time, can effectively eliminate all kinds of foam in the process of power plant wastewater treatment. Antifoam agent is easily soluble in water, fast dispersion, good phase solubility. Defoamer does not bleach oil does not precipitate, chemical performance is stable, the important thing is that after use does not affect the effect of power plant wastewater treatment and progress.
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