Water treatment defoamer, as the name suggests, is an additive widely used in various types of sewage, recycling industrial wastewater and other fields, specially designed to control foam problems in the water treatment process. Its main working principle is to effectively prevent the formation of foam, or to reduce or eliminate the original foam by reducing the surface tension of water, solution, suspension, etc. In order to gain a deeper understanding of how water treatment defoamers work, we should first recognize that foam formation is usually due to a decrease in surface tension in water, solutions, suspensions, etc. Therefore, water treatment defoamer is an excellent additive, using the dispersion effect of surfactant to make the foam-forming substances maintain a stable emulsified state in the water and disperse, so as to avoid foam formation. There are many types and forms of water treatment defoamers. The common ones are solid, powder, liquid, oil and other different forms. Whether it's large-scale industrial production or small-scale daily life, we can find the right water treatment defoamer to meet different needs. Depending on the composition, these defoamers can be roughly divided into various types such as silicones, silicon polyethers, fatty acids, polyethers, and high-carbon alcohols. When using water treatment defoamers, we need to pay attention to their properties. First of all, strong defoaming power and low dosage are the most basic characteristics of this type of defoamer. Secondly, the addition of foaming system should not affect the basic properties of the system, that is, it does not react with the defoaming system. Finally, and most importantly, use it in a way that is not environmentally friendly. Only defoamers that meet these characteristics can truly achieve a green, efficient and sustainable water treatment process. Therefore, as an important chemical additive, water treatment defoamer can not only effectively solve the foam problem in the sewage treatment process, but also improve the efficiency and effect of water treatment. In today's increasingly environmental awareness, choosing the right water treatment defoamer is of great significance for protecting the environment and saving resources. 
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