The world's paper mills produce a large amount of papermaking wastewater, and the pollution load is heavy. Since the disposal cost of sludge accounts for about 50% of the sewage treatment cost, the sludge has not been properly dis.....

In the process of industrial wastewater and domestic sewage treatment, a large amount of sludge will be produced. The moisture content in the sludge reaches 95% to 99%, as long as the water is removed, the volume of the sludge wil.....

At present, the basic status and drawbacks of the agents used for sludge deep dehydration: the actual operation of the sludge deep dehydration process shows that the dosage of agents is high, and once the dosage of agents is reduc.....

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 .....

he world's paper mills produce a large amount of papermaking wastewater, and the pollution load is heavy. Since the disposal cost of sludge accounts for about 50% of the sewage treatment cost, the sludge has not been properly disp.....

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.....