Easy removing of phenol from wastewater using vegetable oil-based organic solvent in emulsion liquid membrane process

Norasikin Othman, Norul Fatiha Mohamed Noah, Lim Yin Shu, Zing Yi Ooi, Norela Jusoh, Mariani Idroas, Masahiro Goto

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Phenol is considered as pollutant due to its toxicity and carcinogenic effect. Thus, variety of innovative methods for separation and recovery of phenolic compounds is developed in order to remove the unwanted phenol from wastewater and obtain valuable phenolic compound. One of potential method is extraction using green based liquid organic solvent. Therefore, the feasibility of using palm oil was investigated. In this research, palm oil based organic phase was used as diluents to treat a simulated wastewater containing 300 × 10-6of phenol solution using emulsion liquid membrane process (ELM). The stability of water-in-oil (W/O) emulsion on diluent composition and the parameters affecting the phenol removal efficiency and stability of the emulsion; such as emulsification speed, emulsification time, agitation speed, surfactant concentration, pH of external phase, contact time, stripping agent concentration and treat ratio were carried out. The results of ELM study showed that at ratio 7 to 3 of palm oil to kerosene, 5 min and 1300 r·min− 1of emulsification process the stabile primary emulsion were formed. Also, no carrier is needed to facilitate the phenol extraction. In experimental conditions of 500 r·min− 1of agitation speed, 3% Span 80, pH 8 of external phase, 5 min of contact time, 0.1 mol·L− 1NaOH as stripping agent and 1:10 of treat ratio, the ELM process was very promising for removing the phenol from the wastewater. The extraction performance at about 83% of phenol was removed for simulated wastewater and an enrichment of phenol in recovery phase as phenolate compound was around 11 times.

Original languageEnglish
Pages (from-to)45-52
Number of pages8
JournalChinese Journal of Chemical Engineering
Volume25
Issue number1
DOIs
Publication statusPublished - Jan 1 2017

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Liquid membranes
Plant Oils
Vegetable oils
Waste Water
Phenol
Emulsions
Organic solvents
Phenols
Wastewater
Membranes
Palm oil
Emulsification
Kerosene
Recovery
Surface-Active Agents
Toxicity
Oils
Surface active agents
Water
Liquids

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Biochemistry
  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Easy removing of phenol from wastewater using vegetable oil-based organic solvent in emulsion liquid membrane process. / Othman, Norasikin; Noah, Norul Fatiha Mohamed; Shu, Lim Yin; Ooi, Zing Yi; Jusoh, Norela; Idroas, Mariani; Goto, Masahiro.

In: Chinese Journal of Chemical Engineering, Vol. 25, No. 1, 01.01.2017, p. 45-52.

Research output: Contribution to journalArticle

Othman, Norasikin ; Noah, Norul Fatiha Mohamed ; Shu, Lim Yin ; Ooi, Zing Yi ; Jusoh, Norela ; Idroas, Mariani ; Goto, Masahiro. / Easy removing of phenol from wastewater using vegetable oil-based organic solvent in emulsion liquid membrane process. In: Chinese Journal of Chemical Engineering. 2017 ; Vol. 25, No. 1. pp. 45-52.
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