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

Kiew Lee Yeap, Tjoon Tow Teng, Beng Teik Poh, Norhashimah Morad, Khai Ern Lee

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

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<0.05) in flocculating both Reactive Cibacron Blue F3GA (RCB) and Disperse Terasil Yellow W-4G (DTY) dyes. The flocculation performance was evaluated with simulated dyes among PACl-PAMIPCl 2, PAMIPCl.c and PACl. PACl-PAMIPCl 2 with higher viscosity shows the best flocculation performance in treating both simulated dyes. It shows reduction of 92% for chemical oxygen demand (COD) and 95% for color at pH 7.5 using 50mg/L of dosage for RCB dye. It gives reduction of 93% for COD and 96% for color at pH 3 using 20mg/L of dosage for DTY dye.

Original languageEnglish
Pages (from-to)305-314
Number of pages10
JournalChemical Engineering Journal
Volume243
DOIs
Publication statusPublished - 1 May 2014

Fingerprint

2-Propanol
Flocculation
Coagulation
flocculation
coagulation
dye
Polymers
Coloring Agents
Dyes
polymer
Chlorides
chloride
Viscosity
Cibacron Blue F 3GA
Chemical oxygen demand
Epichlorohydrin
Color
Ammonium persulfate
Acrylamide
Analysis of variance (ANOVA)

Keywords

  • COD reduction
  • Color removal
  • Dye wastewater
  • Polyaluminum chloride-poly(3-acrylamido-isopropanol chloride)

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering
  • Environmental Chemistry

Cite this

Preparation and characterization of coagulation/flocculation behavior of a novel inorganic-organic hybrid polymer for reactive and disperse dyes removal. / Yeap, Kiew Lee; Teng, Tjoon Tow; Poh, Beng Teik; Morad, Norhashimah; Lee, Khai Ern.

In: Chemical Engineering Journal, Vol. 243, 01.05.2014, p. 305-314.

Research output: Contribution to journalArticle

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