Preparation and characterization of coagulation/flocculation behavior of a novel inorganic–organic hybrid polymer for reactive and disperse dyes removal

•A novel synthesized inorganic–organic hybrid polymer was prepared.•The one-way ANOVA test & Tukey comparisons are applied for significant test on pH.•Optimal pH ranges various with types of dye to be treated.•Mw & intrinsic viscosity are crucial in affecting flocculation performance. A nove...

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Bibliographic Details
Published in:Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2014-05, Vol.243, p.305-314
Main Authors: Yeap, Kiew Lee, Teng, Tjoon Tow, Poh, Beng Teik, Morad, Norhashimah, Lee, Khai Ern
Format: Article
Language:English
Subjects:
Chemical oxygen demand
Chlorides
COD reduction
Color removal
Dosage
Dye wastewater
Dyes
Flocculating
Polyaluminum chloride–poly(3-acrylamido-isopropanol chloride)
Reduction
Viscosity
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Summary:•A novel synthesized inorganic–organic hybrid polymer was prepared.•The one-way ANOVA test & Tukey comparisons are applied for significant test on pH.•Optimal pH ranges various with types of dye to be treated.•Mw & intrinsic viscosity are crucial in affecting flocculation performance. A novel synthesized polyaluminum chloride–poly(3-acrylamido-isopropanol chloride) (PACl–PAMIPCl) an inorganic–organic hybrid polymer was prepared with poly(3-acrylamido-isopropanol chloride) (PAMIPCl) and polyaluminum chloride (PACl) through physical blending. Ammonium persulfate ((NH4)2S2O8) and sodium bisulfite (NaHSO3) were used to initiate the redox polymerization of PAMIPCl at 50°C by varying the molar ratio of epichlorohydrin (EPI) to acrylamide (AM). PAMIPCl of high viscosity was prepared when EPI to AM molar ratio attains 6%:94%. PACl–PAMIPCl hybrid polymers were characterized by Fourier Transform Infrared Spectroscopy (FT-IR), Transmission Electron Microscope (TEM), conductivity and viscosity. Effects of solution molecular weight/intrinsic–viscosity, dosage and pH of PACl–PAMIPCl hybrid polymers have been studied. One-way ANOVA shows that pH has a significant effect (p
ISSN:1385-8947
1873-3212
DOI:10.1016/j.cej.2014.01.004