What is polyacrylamide coagulation-flocculation mode?

Polyacrylamide (PAM) is a commercial polymer flocculant and widely utilized as a coagulant aid. The coagulation-flocculation mode combines the advantage of inorganic coagulant and organic flocculant, consequently elevating the removal efficiency and improving floc property .

Does polymer polyacrylamide interact with tin tetrachloride?

The main aim of this study is to assess how well the polymer polyacrylamide (PAM) could interact as a coagulant, coagulant aid or flocculant with the tetravalent metal coagulant tin tetrachloride (SnCl) in the removal of contaminants from leachate.

Is cationic polyacrylamide a coagulant aid with titanium tetrachloride?

Cationic polyacrylamide as coagulant aid with titanium tetrachloride for low molecule organic matter removal J. Hazard. Mater., 258-259 ( 2013), pp. 84 – 92 Evaluation of cationic polyacrylamide-based hybrid coagulation for the removal of dissolved organic nitrogen Environ. Sci. Pollut Res., 25 ( 15) ( 2018), pp. 14447 – 14459

Can a zerovalent iron/EDTA/air treatment system remove polyacrylamide & Cod?

Lu and Wei (2011) demonstrated that using a zerovalent iron/EDTA/air treatment system, removal efficiency of hydrolyzed polyacrylamide (PAM) and COD in oilfield wastewater containing polymer could be up to 45-66%.

Which polymer is best for coagulation-ultrafiltration treatment?

Polymer Al-, Fe-, and Ti- were compared for coagulation-ultrafiltration treatment. Coagulant with stronger charge neutralization ability worked a better performance. Re-stabilization phenomena at excessive doses also promoted filtration efficiency. PAM composition accelerated filtration flux by promoting the aggregation of algae.

Which functional group aids the coagulation of polymers and natural coagulants?

The carboxyl group, followed by hydroxyl and amine groups and protein, is the functional group or substance that is most frequently identified as aiding the flocculation of polymers and natural coagulants.