As we all know, in order to meet the emission standards of paper mills, the moisture content must reach 55%-65%. At present, the methods of reducing water content mainly include chemical method, physical method and biochemical met.....

At present, there are many disadvantages in sludge deep dewatering. It is necessary to seek for sludge synergists, reduce the amount of iron salt and lime, increase sludge production and improve sludge reduction efficiency. Reduce.....

It is well known that pretreatment of sludge by physical, chemical or biological methods can change the physical properties and chemical composition of the sludge floc, destroy the colloidal structure of the sludge, and reduce the.....

In the current sludge treatment, polymer inorganic sewage flocculant is usually added for flocculation dehydration, that is, polymer bridge flocculation can also neutralize the negative charge on the sludge, increase the cohesion .....

Municipal sludge contains not only a large number of microorganisms, mechanical properties and rich nitrogen, potassium and other nutrients, but also excessive heavy metals, pathogenic microorganisms and so on. At present, the moi.....

Are you still dehydrating the sludge from the frame-and-plate filter press? Not only the moisture content of the pressed mud is as high as 90%, but also greatly increase the disposal cost of the later sludge. Plate and frame machi.....