Adsorptive separation of emulsified oil in wastewater using biosorbents
An agricultural waste, barley straw, was chemically modified using a cationic surfactant hexadecylpyridinium chloride monohydrate (CPC) to obtain a biosorbent for removal of emulsified mineral oil from aqueous solution. The physical and chemical properties of the raw and surfactant-modified barley s...
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| Format: | Journal Article |
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JOHN WILEY & SONS INC
2012
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| Online Access: | http://hdl.handle.net/20.500.11937/37586 |
| _version_ | 1848755090345689088 |
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| author | Ibrahim, S. Ang, Ha Ming Wang, Shaobin |
| author_facet | Ibrahim, S. Ang, Ha Ming Wang, Shaobin |
| author_sort | Ibrahim, S. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | An agricultural waste, barley straw, was chemically modified using a cationic surfactant hexadecylpyridinium chloride monohydrate (CPC) to obtain a biosorbent for removal of emulsified mineral oil from aqueous solution. The physical and chemical properties of the raw and surfactant-modified barley straw (SMBS) were characterized by N2 adsorption, bulk density, Fourier transforms infrared spectra and the composition of cellulose, hemicellulose and lignin. The adsorption tests were performed using a standard mineral oily wastewater in a batch adsorption system. The effects of contact time and pH of solution on the emulsified oil uptake were investigated and discussed. It was found that the removal efficiency of emulsified oil increased with the increase in contact time. Biosorption was found to be less favorable at high acidic condition and a maximum removal was obtained at about neutrality. The isotherm study indicated that emulsified oil adsorption on SMBS was fitted well with the Langmuir model rather than the Freundlich model. The maximum adsorption capacity determined from the Langmuir isotherm was 518.6 mg g−1 at 25 °C. The kinetic study revealed that equilibrium time was achieved in less than 40 min and the kinetic data were fitted well to the pseudo-first-order model. |
| first_indexed | 2025-11-14T08:50:46Z |
| format | Journal Article |
| id | curtin-20.500.11937-37586 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T08:50:46Z |
| publishDate | 2012 |
| publisher | JOHN WILEY & SONS INC |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-375862017-09-13T14:02:53Z Adsorptive separation of emulsified oil in wastewater using biosorbents Ibrahim, S. Ang, Ha Ming Wang, Shaobin emulsified oil batch experiment biosorption modified barley straw An agricultural waste, barley straw, was chemically modified using a cationic surfactant hexadecylpyridinium chloride monohydrate (CPC) to obtain a biosorbent for removal of emulsified mineral oil from aqueous solution. The physical and chemical properties of the raw and surfactant-modified barley straw (SMBS) were characterized by N2 adsorption, bulk density, Fourier transforms infrared spectra and the composition of cellulose, hemicellulose and lignin. The adsorption tests were performed using a standard mineral oily wastewater in a batch adsorption system. The effects of contact time and pH of solution on the emulsified oil uptake were investigated and discussed. It was found that the removal efficiency of emulsified oil increased with the increase in contact time. Biosorption was found to be less favorable at high acidic condition and a maximum removal was obtained at about neutrality. The isotherm study indicated that emulsified oil adsorption on SMBS was fitted well with the Langmuir model rather than the Freundlich model. The maximum adsorption capacity determined from the Langmuir isotherm was 518.6 mg g−1 at 25 °C. The kinetic study revealed that equilibrium time was achieved in less than 40 min and the kinetic data were fitted well to the pseudo-first-order model. 2012 Journal Article http://hdl.handle.net/20.500.11937/37586 10.1002/apj.506 JOHN WILEY & SONS INC restricted |
| spellingShingle | emulsified oil batch experiment biosorption modified barley straw Ibrahim, S. Ang, Ha Ming Wang, Shaobin Adsorptive separation of emulsified oil in wastewater using biosorbents |
| title | Adsorptive separation of emulsified oil in wastewater using biosorbents |
| title_full | Adsorptive separation of emulsified oil in wastewater using biosorbents |
| title_fullStr | Adsorptive separation of emulsified oil in wastewater using biosorbents |
| title_full_unstemmed | Adsorptive separation of emulsified oil in wastewater using biosorbents |
| title_short | Adsorptive separation of emulsified oil in wastewater using biosorbents |
| title_sort | adsorptive separation of emulsified oil in wastewater using biosorbents |
| topic | emulsified oil batch experiment biosorption modified barley straw |
| url | http://hdl.handle.net/20.500.11937/37586 |