Although polyacrylamide is favored by everyone in sewage treatment, it is not a panacea, not a single model can solve all the problems, and different types and models of polyacrylamide are needed for different water quality of sewage.
Different enterprises of the nature of the wastewater is different, have plenty of acidic water, have plenty of alkaline water quality, and water quality is neutral, some containing oil, some contain lots of organic compounds, some color, some contain large amounts of sediment, there are all kinds of situation, foshan jianmei aluminum group is a large aluminum plant, the company to provide customers the anionic polyacrylamide have solved the problem of aluminum sewage, and get the customers satisfied with the products. So, how to choose the right polyacrylamide better and more reasonably?
Generally speaking, the treatment effect of cationic polyacrylamide is good for wastewater with acidic water quality, and anionic polyacrylamide is good for wastewater with alkaline water quality. Of course, the quality of neutral sewage shows relatively alkaline and acidic sewage is easy to treat. If the water quality of sewage is too acidic, it is generally difficult to treat. The usual practice is to add alkali into the sewage to adjust the ph of sewage so that the sewage reaches the best neutral level.
On the contrary, if the sewage shows high alkaline strength, it is necessary to add acid to adjust the ph of the sewage. Through repeated experimental comparison, select the model with the best experimental effect, and then check whether the selected model is also suitable for production in the actual production process.
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