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Precautions For Use Of Cationic Polyacrylamide
- Sep 04, 2018 -

1, the size of the Flocculation group: The Floc is too small will affect the speed of drainage, flocculation too General Assembly so that the flocculation of more water and reduce the degree of mud biscuit.

By selecting the molecular weight of polyacrylamide, the size of the Floc can be adjusted. 2, Sludge Characteristics: The 1th understanding of the source of sludge, characteristics and composition, the proportion. Depending on the nature of the sludge can be divided into organic and inorganic sludge two kinds.

Cationic polyacrylamide for the disposal of organic sludge, the relative anionic polyacrylamide flocculant used in inorganic sludge, alkaline is strong when using anionic polyacrylamide, and acid is strong when the anionic polyacrylamide, high solids content of the sludge is usually a large amount of polyacrylamide. 3, flocculation strength: flocculation in the shear action should adhere to stability and not broken.

Improving the molecular weight of polyacrylamide or choosing the appropriate molecular structure can help to improve the stability of the Flocculation group.

4, polyacrylamide ion degree: For the dehydration of the sludge, can be different degrees of ionic flocculant after a small trial to select the best suitable polyacrylamide, so that can obtain the best flocculant effect, but also to increase the minimum dosage, save cost. 5, the dissolution of polyacrylamide: good dissolution to give full play to the flocculation effect. Sometimes the need to speed up the dissolution, you can think of the progress of the concentration of polyacrylamide solution.


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