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Journal of Materials Science
Erschienen in: Journal of Materials Science 14/2014

01.07.2014

Fabrication and characterization of poly(ferric chloride)-polyamine flocculant and its application to the decolorization of reactive dyes

verfasst von: Zhonglian Yang, Xiwu Lu, Baoyu Gao, Yan Wang, Qinyan Yue, Ting Chen

Erschienen in: Journal of Materials Science | Ausgabe 14/2014

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Abstract

By combining polyferric chloride (PFC) and poly(epichlorohydrin-dimethylamine) [P(ECH-DAM)], the development, characterization, and application of PFC-P(ECH-DAM) was conducted in this paper. The novel reagents were characterized by means of several typical properties and morphological analysis. The flocculation performance and subsequent mechanism were also examined for the coagulation treatment of reactive dye suspensions. Experimental results showed that the composite PFC-P(ECH-DAM) exhibited promoted characteristics, such as increased efficient polymeric speciation concentration, improved zeta potential, and enhanced flocculation performance. The morphological analysis verified the amorphous molecular structure of PFC-P(ECH-DAM) with a relatively dense branch network and sheet-like structure adhesion to each other. Increase of cationic P(ECH-DAM) proportion resulted in gradual reduction of Fea/Feb content, increase of Fec concentration, and improvement of zeta potential in PFC-P(ECH-DAM). The positive charge in P(ECH-DAM) and PFC-P(ECH-DAM) exhibited a decreasing tendency with increase of amine group content in cross-linker molecule. The increase of P(ECH-DAM)/Fe mass ratio and amine group of cross-linker in PFC-P(ECH-DAM) favored the destabilization of dye molecules due to their disturbance on zeta potential, Fe polymerization degree, molecular weight, and flocculation mechanism of the composite reagent.
Vorheriger Artikel Self-formation of 3D interconnected macroporous carbon xerogels derived from polybenzoxazine by selective solvent during the sol–gel process
Nächster Artikel Fabrication of platinum nanoparticle counter electrode for highly efficient dye-sensitized solar cells by controlled thermal reduction time

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Metadaten
Titel
Fabrication and characterization of poly(ferric chloride)-polyamine flocculant and its application to the decolorization of reactive dyes
verfasst von
Zhonglian Yang
Xiwu Lu
Baoyu Gao
Yan Wang
Qinyan Yue
Ting Chen
Publikationsdatum
01.07.2014
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 14/2014
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-014-8197-0

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