Widely used in sewage treatment

As we all know, polyacrylamide is an all-purpose additive, and it is also widely used in sewage treatment. But it is not a versatile product. It is not a model to solve all the problems. All the different sewage can be treated to the standard. Different sewage needs to use the corresponding products. This has a question about how to choose a suitable flocculant. Question, here is a brief introduction to this issue and everyone.

The nature of the sewage produced by different enterprises is different, some are acidic water, some are alkaline water, some are neutral water, some contain oil, some contain a lot of organic matter, some contain color, some contain a lot There are various situations in the sediment, and the nature of the sewage has various conditions. If you want to deal with these sewages, you really have to work hard. So, how can we choose the right polyacrylamide better and more reasonable? In general, the sewage with acidic water quality is treated with cationic polyacrylamide, and the sewage with alkaline water quality is treated with anionic polyacrylamide. Of course, the water with neutral water is relatively easy to treat with alkaline and acidic sewage. If the water quality of the sewage is too high, it is generally difficult to handle. The usual practice is to add alkali to the sewage to adjust the pH of the sewage. Sewage is the best in neutrality. This is the easiest to handle and saves processing costs. On the other hand, if the sewage shows a large alkali strength, it is necessary to add acid to adjust the pH of the sewage. It is the neutrality of the sewage, and it is not the type of polyacrylamide that can treat the sewage well and meet the emission standards. This has a more accurate selection problem. The usual practice is to do a small test in the laboratory. Repeated experiment comparisons, select the model with the best experimental results, and then verify that the selected model is also suitable for production in the actual production process.