Treatment of biodiesel wastewater using ferric chloride and ferric sulfate

Zawawi Daud, Nazlizan Nasir, Aeslina Abd Kadir, Ab Aziz Abdul Latiff, Baharin Ahmad, Noorain Suhani, Halizah Awang, Azhar Abdul Halim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The production of biodiesel through the transesterification method produces a large amount of wastewater that contains high level of chemical oxygen demand (COD) and oil and grease. In this study, coagulation was adopted to treat the biodiesel wastewater. Two types of coagulants were examined using standard jar test apparatus, i.e. ferric chloride and ferric sulfate. The effects of pH and coagulant dosage were examined at 150 rpm of rapid mixing and 20 rpm slow mixing and 30 min settling time, higher removal of SS (over 80%), colour (over 80%), COD (over 50%) and Oil and Grease (over 90%) were achieved at pH 6. Ferric Chloride was found to be superior was observed at reasonable lower amount of coagulant i.e. 300 mg/L. The result indicated that coagulation and flocculation process had contributed bigger roles in integrated treatment system.

Original languageEnglish
Pages (from-to)54-57
Number of pages4
JournalInternational Journal of Integrated Engineering
Volume9
Issue number3
Publication statusPublished - 1 Jan 2017

Fingerprint

Coagulants
Biofuels
Chemical oxygen demand
Lubricating greases
Biodiesel
Coagulation
Wastewater
Transesterification
Oils
Flocculation
Color
ferric chloride
ferric sulfate
Sulfates

Keywords

  • Biodiesel wastewater
  • Coagulation
  • Optimum coagulant dosage

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science (miscellaneous)

Cite this

Daud, Z., Nasir, N., Kadir, A. A., Latiff, A. A. A., Ahmad, B., Suhani, N., ... Abdul Halim, A. (2017). Treatment of biodiesel wastewater using ferric chloride and ferric sulfate. International Journal of Integrated Engineering, 9(3), 54-57.

Treatment of biodiesel wastewater using ferric chloride and ferric sulfate. / Daud, Zawawi; Nasir, Nazlizan; Kadir, Aeslina Abd; Latiff, Ab Aziz Abdul; Ahmad, Baharin; Suhani, Noorain; Awang, Halizah; Abdul Halim, Azhar.

In: International Journal of Integrated Engineering, Vol. 9, No. 3, 01.01.2017, p. 54-57.

Research output: Contribution to journalArticle

Daud, Z, Nasir, N, Kadir, AA, Latiff, AAA, Ahmad, B, Suhani, N, Awang, H & Abdul Halim, A 2017, 'Treatment of biodiesel wastewater using ferric chloride and ferric sulfate', International Journal of Integrated Engineering, vol. 9, no. 3, pp. 54-57.
Daud Z, Nasir N, Kadir AA, Latiff AAA, Ahmad B, Suhani N et al. Treatment of biodiesel wastewater using ferric chloride and ferric sulfate. International Journal of Integrated Engineering. 2017 Jan 1;9(3):54-57.
Daud, Zawawi ; Nasir, Nazlizan ; Kadir, Aeslina Abd ; Latiff, Ab Aziz Abdul ; Ahmad, Baharin ; Suhani, Noorain ; Awang, Halizah ; Abdul Halim, Azhar. / Treatment of biodiesel wastewater using ferric chloride and ferric sulfate. In: International Journal of Integrated Engineering. 2017 ; Vol. 9, No. 3. pp. 54-57.
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