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Every city we live in has a slaughterhouse, the wastewater produced by the slaughterhouse is difficult to centralized treatment, the concentration changes greatly, the treatment is not qualitative and the process requirements are high, the following and small make up to look at the use of the slaughterhouse wastewater treatment polyacrylamide plan.

Large slaughterhouses also have sewage treatment technology and equipment, small sewage treatment plants are not concentrated, and the discharge is not small, many of them have not been effective sewage treatment, so the slaughter wastewater treatment also has a certain potential market can be operated.

Slaughtering wastewater characteristics: reddish-brown color, fishy smell is particularly heavy, containing a lot of blood, fur, bones, oil, etc., can be biochemical strong, water quality and water fluctuation is too big, so it is not very good treatment.

For a long time, people have relied on biological method treatment, characterized by high ammonia nitrogen and phosphorus, sludge moisture is large, sludge volume is also large. Natural ecological treatment is characterized by low energy consumption, low operation cost, and can be combined with various aspects to operate.

Mainly talk about chemical treatment, there is a flocculation treatment, in winter, the temperature is low, slow bacterial reproduction, treatment effect, the relevant people studied the chemical flocculation treatment, by adding polyacrylamide flocculant to promote sludge in slaughter wastewater solid-liquid separation, and can effectively fuse some organic matter, remove, in a short period of time can reduce the pollution load. The process is also very simple, but also can be adjusted according to the change of water quality, deodorization also has a certain effect, if the effective process combination, the effect is better, has also become the preferred method of slaughtering wastewater treatment.

Treatment of slaughter wastewater by chemical flocculation method, Air float is combined with the precipitation, Add polymer aluminum chloride coagulant after air float, The COD reduction can reach more than 30 percent, Processing costs have also been much lower, The simple method is to be, Anionic polyacrylamide acts as a coagulant, Iron sulfate or polymer iron sulfate may be used as a coagulant, And effectively remove the suspended matter to more than 90%, The disadvantage is that the removal effect of soluble organic matter in slaughter wastewater is not good, Alcools, for example, saccharides, Acids, Sludge production will also be higher, And there is much more of chemical sludge, of course, Combined with other processes together for effective processing, It will better highlight the advantages of chemical treatment.

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