Sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents
Sorption capacities for cadmium, Cd(II) on indigenously prepared, steam activated, untreated, surfactant-modified carbon powder, from husk and pods of Moringa oleifera were investigated. The optimized conditions for all the experimental runs were pH 8.0 ± 0.2, temperature 30 ± 0.5 °C, contact tim...
| Main Authors: | , , , , |
|---|---|
| Format: | Citation Index Journal |
| Language: | English |
| Published: |
2009
|
| Subjects: | |
| Online Access: | http://scholars.utp.edu.my/id/eprint/236/ http://scholars.utp.edu.my/id/eprint/236/1/paper.pdf |
| _version_ | 1848658938053001216 |
|---|---|
| author | M.A., Abdullah M., Nadeem M., Shabbir S.S., Shah G., McKay |
| author_facet | M.A., Abdullah M., Nadeem M., Shabbir S.S., Shah G., McKay |
| author_sort | M.A., Abdullah |
| building | UTP Institutional Repository |
| collection | Online Access |
| description | Sorption capacities for cadmium, Cd(II) on indigenously prepared, steam activated, untreated, surfactant-modified carbon powder, from husk and pods of Moringa oleifera were investigated. The optimized conditions for all the experimental runs were pH 8.0 ± 0.2, temperature 30 ± 0.5 °C, contact time 120 min, agitation speed 160 rpm, initial metal concentration 30 mg L<sup>-1</sup> and adsorbent dosage 1.0 g L<sup>-1</sup>, respectively. Maximum Cd(II) removal, 98.0% was observed when cetyltrimethyl ammonium bromide (CTAB), cationic surfactant-treated carbon was used as an adsorbent. The Cd(II) removal percentages for sodium dodecyl sulphate (SDS), anionic surfactant, Triton X-100 (non-ionic surfactant) treated and untreated powder activated carbons were found to be 95.60, 81.50 and 73.36%, respectively. SEM images and BET surface area, porosity and pore volume measurements have revealed that surfactant-treated carbons have superior porosity and enhanced surface area than untreated carbons. The sorption data were correlated better with the Langmuir adsorption isotherm than Freundlich isotherm with R<sup>2</sup> values ranging from 0.91 to 0.98. © 2008 Elsevier B.V. All rights reserved.
|
| first_indexed | 2025-11-13T07:22:28Z |
| format | Citation Index Journal |
| id | oai:scholars.utp.edu.my:236 |
| institution | Universiti Teknologi Petronas |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-13T07:22:28Z |
| publishDate | 2009 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | oai:scholars.utp.edu.my:2362017-01-19T08:25:47Z http://scholars.utp.edu.my/id/eprint/236/ Sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents M.A., Abdullah M., Nadeem M., Shabbir S.S., Shah G., McKay TP Chemical technology Sorption capacities for cadmium, Cd(II) on indigenously prepared, steam activated, untreated, surfactant-modified carbon powder, from husk and pods of Moringa oleifera were investigated. The optimized conditions for all the experimental runs were pH 8.0 ± 0.2, temperature 30 ± 0.5 °C, contact time 120 min, agitation speed 160 rpm, initial metal concentration 30 mg L<sup>-1</sup> and adsorbent dosage 1.0 g L<sup>-1</sup>, respectively. Maximum Cd(II) removal, 98.0% was observed when cetyltrimethyl ammonium bromide (CTAB), cationic surfactant-treated carbon was used as an adsorbent. The Cd(II) removal percentages for sodium dodecyl sulphate (SDS), anionic surfactant, Triton X-100 (non-ionic surfactant) treated and untreated powder activated carbons were found to be 95.60, 81.50 and 73.36%, respectively. SEM images and BET surface area, porosity and pore volume measurements have revealed that surfactant-treated carbons have superior porosity and enhanced surface area than untreated carbons. The sorption data were correlated better with the Langmuir adsorption isotherm than Freundlich isotherm with R<sup>2</sup> values ranging from 0.91 to 0.98. © 2008 Elsevier B.V. All rights reserved. 2009 Citation Index Journal NonPeerReviewed application/pdf en http://scholars.utp.edu.my/id/eprint/236/1/paper.pdf M.A., Abdullah and M., Nadeem and M., Shabbir and S.S., Shah and G., McKay (2009) Sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents. [Citation Index Journal] http://www.scopus.com/inward/record.url?eid=2-s2.0-61849132327&partnerID=40&md5=0615f4d31a208da6b03e071143c1c66a 10.1016/j.cej.2008.09.010 10.1016/j.cej.2008.09.010 10.1016/j.cej.2008.09.010 |
| spellingShingle | TP Chemical technology M.A., Abdullah M., Nadeem M., Shabbir S.S., Shah G., McKay Sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents |
| title | Sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents
|
| title_full | Sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents
|
| title_fullStr | Sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents
|
| title_full_unstemmed | Sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents
|
| title_short | Sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents
|
| title_sort | sorption of cadmium from aqueous solution by surfactant-modified carbon adsorbents |
| topic | TP Chemical technology |
| url | http://scholars.utp.edu.my/id/eprint/236/ http://scholars.utp.edu.my/id/eprint/236/ http://scholars.utp.edu.my/id/eprint/236/ http://scholars.utp.edu.my/id/eprint/236/1/paper.pdf |