Flocculation activity of novel ferric chloride-polyacrylamide (FeCl3-PAM) hybrid polymer

Khai Ern Lee, Tjoon Tow Teng, Norhashimah Morad, Beng Teik Poh, Mohanapriya Mahalingam

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

A ferric chloride-polyacrylamide inorganic-organic hybrid polymer has been synthesized using a ferric chloride/polyacrylamide ratio of 1:1 via free radical solution polymerization. A redox initiation system - (NH4)2S2O8 and NaHSO3 was used to initiate the polymerization at 50°C in aqueous medium. The ferric chloride-polyacrylamide hybrid polymer was characterized using Fourier transform infrared (FT-IR) spectrometer to determine their functional groups in the hybrid polymer chain. The FeCl3-PAM hybrid polymer was tested for flocculating activities on kaolin suspension and Terasil Red R dye wastewater. Parameters such as solution pH and FeCl3-PAM hybrid polymer dosage have been studied. One-way ANOVA shows that pH has a significant impact (p<0.05) in flocculating both kaolin suspension and Terasil Red R wastewater. The results show a minimum dosage of 2mg/L is able to remove more than 99% of turbidity in kaolin suspension at pH 2. FeCl3-PAM hybrid polymer also shows its capability in flocculating Terasil Red R dye wastewater. It is able to reduce 89% of COD and 99% of colour at pH 5 using 500mg/L of dosage.

Original languageEnglish
Pages (from-to)108-113
Number of pages6
JournalDesalination
Volume266
Issue number1-3
DOIs
Publication statusPublished - 31 Jan 2011
Externally publishedYes

Fingerprint

Pulse amplitude modulation
Flocculation
Polyacrylates
flocculation
Polymers
polymer
chloride
Kaolin
kaolin
Suspensions
Wastewater
wastewater
polymerization
dye
Coloring Agents
Dyes
Polymerization
Infrared spectrometers
Turbidity
free radical

Keywords

  • Dye wastewater
  • Ferric chloride
  • Flocculation
  • Hybrid polymer
  • Kaolin suspension
  • Polyacrylamide

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Mechanical Engineering
  • Chemistry(all)
  • Materials Science(all)
  • Water Science and Technology

Cite this

Flocculation activity of novel ferric chloride-polyacrylamide (FeCl3-PAM) hybrid polymer. / Lee, Khai Ern; Teng, Tjoon Tow; Morad, Norhashimah; Poh, Beng Teik; Mahalingam, Mohanapriya.

In: Desalination, Vol. 266, No. 1-3, 31.01.2011, p. 108-113.

Research output: Contribution to journalArticle

Lee, Khai Ern ; Teng, Tjoon Tow ; Morad, Norhashimah ; Poh, Beng Teik ; Mahalingam, Mohanapriya. / Flocculation activity of novel ferric chloride-polyacrylamide (FeCl3-PAM) hybrid polymer. In: Desalination. 2011 ; Vol. 266, No. 1-3. pp. 108-113.
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