Electrocoagulation of palm oil mill effluent

Melissa B. Agustin, Waya P. Sengpracha, Weerachai Phutdhawong

Research output: Contribution to journalArticleScientificpeer-review

39 Citations (Scopus)

Abstract

Electrocoagulation (EC) is an electrochemical technique which has been employed in the treatment of various kinds of wastewater. In this work the potential use of EC for the treatment of palm oil mill effluent (POME) was investigated. In a laboratory scale, POME from a factory site in Chumporn Province (Thailand) was subjected to EC using aluminum as electrodes and sodium chloride as supporting electrolyte. Results show that EC can reduce the turbidity, acidity, COD, and BOD of the POME as well as some of its heavy metal contents. Phenolic compounds are also removed from the effluent. Recovery techniques were employed in the coagulated fraction and the recovered compounds was analysed for antioxidant activity by DPPH method. The isolate was found to have a moderate antioxidant activity. From this investigation, it can be concluded that EC is an efficient method for the treatment of POME.
Original languageEnglish
Pages (from-to)177-180
JournalInternational Journal of Environmental Research and Public Health
Volume5
Issue number3
DOIs
Publication statusPublished - 2008
MoE publication typeA1 Journal article-refereed

Keywords

  • Palm oil mill effluent
  • Electrocoagulation
  • Natural rubber
  • Antioxidant
  • Oil palm kernel meal
  • Phenolic compounds

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