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Lupasol® Cationic Flocculants
Suspended solids within waste streams are usually anionic in nature and therefore require a cationic polymer to assist in flocculation. Lupasol® polyethyleneimines (PEIs) are cationic polymers available in a range of molecular weights and are used to broadly flocculate anionic contaminants, such as zeolites, silicates, and proteins, from water. While many types of polymers are used in wastewater treatment processes, Lupasol® provides an advantage as a cationic flocculant because of its high cationic charge density. At pH 4.5, Lupasol® polymers feature a charge density of approximately 17 mEq/g, more than twice as high as other cationic flocculant polymers, such as polyamines and polyacrylamides. In addition to flocculation, Lupasol® can also form reversible complexes with divalent metal ions and is combined with ultrafiltration to remove heavy metals from water.
Grade | Average Molar Mass (g/mol) | Concentration (%) | Water Content (%) | Viscosity (cP) | pH | Polymer Cationic Charge Density (meq/g) |
---|---|---|---|---|---|---|
Lupasol® P | 750,000 | 50 | 50 | 25,000 | 13 | 17 |
Lupasol® SK | 2,000,000 | 24 | 76 | 700 | 8 | 8 |
Lupasol® polymers are ideal, effective flocculants for wastewater treatment processes because they have a significantly high cationic charge density. This makes them highly efficient at producing flocs of silica, proteins, and other anionic matter in industrial and municipal wastewater. Request a sample of Lupasol® for your flocculation application by clicking the link below.
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