Pastry Food Processing Wastewater Demulsifier
Industrial raw materials of food processing plants are various, so food processing plants of wastewater and water quality will have a big difference, so food processing plant wastewater is one of the very common wastewater. Pastry food processing wastewater mainly comes from pastry production equipment clean water, container clean water, workshop floor clean water, etc. Sewage contains a lot of flour, starch, bread crumbs and a variety of bread packing loss impurities, organic matter and suspended matter content is also high, including butter, eggs and other oily substances, as well as gum substances, belongs to the high concentrated organic wastewater.
Meanwhile, the pastry food processing wastewater is easy to acidify and corrupt, and the surface is easy to block. If you want to meet the requirements of environmental protection, it is necessary to adjust the water quality, reduce COD value, the color and emulsifying substances, and improve other pollutants. Need to use pastry food processing wastewater demulsifier to solve the problem.
Pastry food processing wastewater demulsifier is kind of surfactant with function of breaking emulsion, removal oil and organic matter, flocculation, separation. Add appropriate dose of demulsifier in the process of wastewater treatment, adjust the PH between 7-9, make demulsifier break emulsion, flocculation more efficiently, then add PAC and PAM to achieve flocculation precipitation, rapid settlement, so as to complete the coagulation. The pretreatment wastewater can remove most of the oil, color, SS, etc., that is, it has a good removal effect.
Before uncertain dosage, a certain amount of wastewater can be taken for experiments, first adjust the pH value, then add an appropriate amount of demulsifier, stirring reaction for 3-5 minutes, and finally add polyacrylamide to accelerate the precipitation effect of wastewater, see whether the sewage has sediment, observe the clarity and then increase the dosage.
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