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US 2025/0026876 A1Published application
Cationic emulsion terpolymer for increasing cake solids
AssigneeSolenis Technologies, L.P.
InventorsNathalie Bruzzano, Markus Bröcher
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Abstract
The present disclosure generally relates to dewatering aqueous sludge that is produced by waste water or sewage treatment facilities such as from municipal and industrial processes. The method includes treating an aqueous sludge with a cationic polyacrylamide polymer comprising the reaction product of: acrylyl monomer(s) comprising a nonionic amide; cationic monomer(s); and vinyl monomer(s).
Claims20
A cationic polyacrylamide polymer comprising the reaction product of:
- acrylyl monomer(s) comprising a nonionic amide;
- cationic monomer(s);
- and nonionic vinyl monomer(s).
A method of dewatering an aqueous sludge comprising:
- a) adding to the aqueous sludge a cationic polyacrylamide polymer comprising the reaction product of:
- acrylyl monomer(s) comprising a nonionic amide;
- cationic monomer(s);
- and nonionic vinyl monomer(s);
- and
- b) dewatering the aqueous sludge obtained from step a).
3 more elements
Dependencies are inferred from the claim text.