Synthesis and characterization of acrylamide‐based aluminum flocculant for turbidity reduction in wastewater | Zendy

Noppakundilograt Supaporn | Zendy; Nanakorn Praon | Zendy; Sonjaipanich Kittichai | Zendy; Seetapan Nispa | Zendy; Kiatkamjornwong Suda | Zendy

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Synthesis and characterization of acrylamide‐based aluminum flocculant for turbidity reduction in wastewater

Author(s) -

Noppakundilograt Supaporn,

Nanakorn Praon,

Sonjaipanich Kittichai,

Seetapan Nispa,

Kiatkamjornwong Suda

Publication year - 2009

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.30817

Subject(s) - ammonium persulfate , acrylamide , flocculation , ammonium hydroxide , nuclear chemistry , polymer chemistry , turbidity , comonomer , hydroxide , polymerization , acrylic acid , polymer , persulfate , acrylate , materials science , aluminium hydroxide , chemistry , aluminium , monomer , organic chemistry , oceanography , catalysis , geology

Polymeric flocculants of aluminum hydroxide‐poly[acrylamide‐ co ‐(acrylic acid)], AHAMAA, were prepared by solution polymerization using aluminum hydroxide as a coagulant in the presence of acrylamide (AM) and acrylic acid (AA) as a comonomer pair with N,N′ ‐methylenebisacrylamide as a crosslinking agent. The crosslinking was initiated by ammonium persulfate with N,N,N′,N′ ‐tetramethylethylenediamine as an initiator. The water absorbency of crosslinked poly[AM‐ co ‐AA] was always higher than that of AHAMAA and was found to be correlated to the storage modulus of the polymers, which was higher for AHAMAA than that of crosslinked poly[AM‐ co ‐AA]. The residual aluminum concentration of AHAMAA (0.09–0.2 mg L −1 ) indicated the stability of the polymer flocculant which was in good agreement with the observed tan δ and the higher G′′ and G′ values. Both the crosslinked poly[AM‐ co ‐AA] and AHAMAA satisfactorily reduced the turbidity of kaolin suspensions, but the latter gave a better reduction performance. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009

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