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The causes and solutions of the lumps in the dissolution of polyacrylamide

release_time:2025-03-12

Many polyacrylamide drug dissolving tanks in wastewater treatment plants have a thin layer of gelatinous residue and some large flocculent residues on the inside and bottom. No matter how long you stir it, the residue will not dissolve. If not handled properly, they usually cause a few unnecessary minor annoyances, and the residue can be a hassle to clean up.

Some large flocks can also be taken out with hooks, and some small flocks are frightening. Polyacrylamide is an organic polymer flocculant with large molecular weights, generally on the order of millions to tens of millions. It expands, dissolves and then slowly dissolves. If a large amount is added at a time through manual dosing, and it cannot be added evenly and slowly, it will expand when it touches the water, and then the surface area will become larger, covering the part that has not touched the water (can be fished out).


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