Study on a new surfactant for removal of phenol from wastewater by emulsion liquid membrane
Removal of phenol from wastewater using emulsion liquid membrane (ELM) is studied in present study. A new polyamine-type surfactant was synthesized and used for stabilizing of the emulsion phase. The results for the emulsion made by the synthesized surfactant showed much better stability and perform...
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| Veröffentlicht in: | Journal of hazardous materials 2008-12, Vol.160 (2), p.582-588 |
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| container_title | Journal of hazardous materials |
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| creator | Mortaheb, Hamid R. Amini, Mohammad H. Sadeghian, Fateme Mokhtarani, Babak Daneshyar, Hesam |
| description | Removal of phenol from wastewater using emulsion liquid membrane (ELM) is studied in present study. A new polyamine-type surfactant was synthesized and used for stabilizing of the emulsion phase. The results for the emulsion made by the synthesized surfactant showed much better stability and performance in the separation process compared to that by conventionally used Span 80. To determine the optimum operation conditions, the effect of several parameters such as emulsifier concentration, concentration of NaOH in the internal phase, oil to internal phase volume ratio, mixing intensity, temperature, solvent type, and stabilizer concentration have been investigated. It was found that under the optimum conditions, more than 98% of phenol can be removed in a single-stage process. The removal efficiency can be increased to 99.8% in a two-stage process. |
| doi_str_mv | 10.1016/j.jhazmat.2008.03.095 |
| format | Article |
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A new polyamine-type surfactant was synthesized and used for stabilizing of the emulsion phase. The results for the emulsion made by the synthesized surfactant showed much better stability and performance in the separation process compared to that by conventionally used Span 80. To determine the optimum operation conditions, the effect of several parameters such as emulsifier concentration, concentration of NaOH in the internal phase, oil to internal phase volume ratio, mixing intensity, temperature, solvent type, and stabilizer concentration have been investigated. It was found that under the optimum conditions, more than 98% of phenol can be removed in a single-stage process. 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A new polyamine-type surfactant was synthesized and used for stabilizing of the emulsion phase. The results for the emulsion made by the synthesized surfactant showed much better stability and performance in the separation process compared to that by conventionally used Span 80. To determine the optimum operation conditions, the effect of several parameters such as emulsifier concentration, concentration of NaOH in the internal phase, oil to internal phase volume ratio, mixing intensity, temperature, solvent type, and stabilizer concentration have been investigated. It was found that under the optimum conditions, more than 98% of phenol can be removed in a single-stage process. 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A new polyamine-type surfactant was synthesized and used for stabilizing of the emulsion phase. The results for the emulsion made by the synthesized surfactant showed much better stability and performance in the separation process compared to that by conventionally used Span 80. To determine the optimum operation conditions, the effect of several parameters such as emulsifier concentration, concentration of NaOH in the internal phase, oil to internal phase volume ratio, mixing intensity, temperature, solvent type, and stabilizer concentration have been investigated. It was found that under the optimum conditions, more than 98% of phenol can be removed in a single-stage process. The removal efficiency can be increased to 99.8% in a two-stage process.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><pmid>18448245</pmid><doi>10.1016/j.jhazmat.2008.03.095</doi><tpages>7</tpages></addata></record> |
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| ispartof | Journal of hazardous materials, 2008-12, Vol.160 (2), p.582-588 |
| issn | 0304-3894 1873-3336 |
| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Applied sciences Elm Emulsifiers Emulsion Emulsions Exact sciences and technology General purification processes Liquid membrane Liquid membranes Maleic Anhydrides Membranes Membranes, Artificial Oils - chemistry Optimization Phenol Phenols - isolation & purification Pollution Polyamines - chemistry Polyethylenes Removal efficiency Separation Sodium Hydroxide - chemistry Solvents Stability Surface-Active Agents - chemistry Surfactant Surfactants Temperature Viscosity Waste Disposal, Fluid Waste water Wastewaters Water treatment and pollution |
| title | Study on a new surfactant for removal of phenol from wastewater by emulsion liquid membrane |
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