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Flocculation efficiency of hybrid polymers with trivalent metal cations Cover

Flocculation efficiency of hybrid polymers with trivalent metal cations

By: Beata Schmidt  
Open Access
|Jan 2019

Abstract

Acrylamide/acrylic acid copolymers (AAm/AA) have been synthesized by microemulsion polymerization in absence and presence of trivalent cations Al+3 and Fe+3. Starch materials were obtained by introducing cations Al+3 and Fe+3, in the form of aqueous solutions of sulphates(VI) (modif. starch/Me+3), into the oxidized starch (modif. starch). The flocculation performance of obtained polyacrylamide copolymers and the one based on the natural polymer was compared with the performance of the commercial AAm/AA flocculant (CF). All materials were characterized by capillary viscometry, FTIR and DSC methods. An aqueous suspension of talc was used for the flocculation studies. The flocculation effectiveness was evaluated on the basis of reduction of suspension extinction and the sludge volume. It was found that synthesized AAm/AA/Me+3 copolymers and modif. starch/Me+3 materials exhibit better flocculation properties for a model talc suspension than a commercially available floculant.

Language: English
Page range: 96 - 101
Published on: Jan 11, 2019
Published by: West Pomeranian University of Technology, Szczecin
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2019 Beata Schmidt, published by West Pomeranian University of Technology, Szczecin
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.