A novel flocculant of Al(OH) 3–polyacrylamide ionic hybrid

A novel flocculant based on hybrid Al(OH) 3–polyacrylamide (HAPAM) has been synthesized using a redox initiation system ((NH 4) 2S 2O 8–NaHSO 3) at 40 °C in aqueous medium. The HAPAM was characterized by viscometry, IR spectroscopy, TEM, conductivity, and TGA. The flocculation behavior for 0.25 wt%...

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Published inJournal of colloid and interface science Vol. 273; no. 2; pp. 400 - 405
Main Authors Yang, W.Y, Qian, J.W, Shen, Z.Q
Format Journal Article
LanguageEnglish
Published San Diego, CA Elsevier Inc 15.05.2004
Elsevier
Subjects
Aluminum hydroxide
Chemistry
Exact sciences and technology
Flocculants
General and physical chemistry
Organic–inorganic hybrid
Polyacrylamide
Flocculants
Organic–inorganic hybrid
Polyacrylamide
Aluminum hydroxide
Aluminium hydroxide
Flocculation
Hybrid material
Acrylamide polymer
Organic-inorganic hybrid
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Summary:A novel flocculant based on hybrid Al(OH) 3–polyacrylamide (HAPAM) has been synthesized using a redox initiation system ((NH 4) 2S 2O 8–NaHSO 3) at 40 °C in aqueous medium. The HAPAM was characterized by viscometry, IR spectroscopy, TEM, conductivity, and TGA. The flocculation behavior for 0.25 wt% kaolin suspension was evaluated by spectrophotometry and phase contrast microscopy. It was found that an ionic bond exists between Al(OH) 3 colloid and polyacrylamide (PAM) chains in the HAPAM and the flocculation efficiency of HAPAM is much better than that of commercial polyacrylamide (PAM) and PAM/AlCl 3 blend.
Bibliography:ObjectType-Article-1
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ISSN:0021-9797
1095-7103
DOI:10.1016/j.jcis.2004.02.002