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Some people may not be aware that food processing wastewater is also one of the main sources of industrial wastewater. These wastewaters contain a large amount of organic matter and suspended solids. Untreated discharge will cause harm to the ecological environment and eutrophication of water bodies. Therefore, it is necessary to Food factory sewage treatment process. A large number of foams are also found in the process of food sewage treatment. These foams affect the progress and efficiency of food sewage treatment. Therefore, it is necessary to use sewage treatment defoamer to solve the foam.
What are the causes of foaming in food sewage treatment? The chemical composition of food sewage is relatively complex, and it contains too many organic pollutants and suspended solids, which will lead to foaming; microorganisms in the sewage overproduce, and the fatty acid content in these bacteria is too high, coupled with the influence of surface active substances in the water. , resulting in foam; the change of PH value is also one of the reasons for foaming, too high or too low PH value may cause foam; in high temperature environment, food sewage fermentation produces carbon dioxide, methane and other gases, in the process of rising Combines with surface-active substances in wastewater to generate foam.
If the foam in food sewage is not eliminated in time, what will be the impact? These foams have high viscosity and large surface area, which will accumulate on the surface of sewage, resulting in further deterioration of water quality and affecting the ecological environment; a large number of foams mixed with suspended impurities mixed in the water and accumulated, causing the concentration of organic matter and suspended solids in the wastewater to increase, and long-term accumulation Odor or bad and harmful gases are generated; too much foam will affect the treatment progress and procedures of food sewage, resulting in a decrease in water treatment efficiency and excessive costs; a large number of foam will increase the difficulty of sewage treatment, environmental protection testing is not up to standard, and it is difficult to discharge .
The defoamer for sewage treatment can effectively eliminate a large amount of foam in food sewage treatment, inhibit the generation of subsequent foam, and has good defoaming and foam suppression functions; The sewage defoaming agent is resistant to high temperature, acid and alkali, and can be used in high temperature, strong acid, and strong alkali environments. Stable medicament defoaming and defoaming; The chemical stability of the water treatment system defoamer is good, it will not affect the treatment progress and effect of food sewage after use, and will not change its basic system.
