Arsenite oxidation and treatment by ultrasound/iron in aqueous solutions
The oxidation and treatment of arsenite [As(III)] with ultrasound (US) and Fe(II) was investigated in aqueous solutions. The oxidation of As(III) into As(V), over 99.1%, was obtained by US450kHz. The kinetics of As(III) oxidation were interpreted using the modified pseudo-first-order kinetic model....
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2011
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| Online Access: | http://eprints.um.edu.my/9190/1/Arsenite_Oxidation_and_Treatment_by_Ultrasound.pdf http://eprints.um.edu.my/9190/ http://www.scopus.com/inward/record.url?eid=2-s2.0-79960583769&partnerID=40&md5=8aeb7c49c58194686425f80a281cf7ac adsabs.harvard.edu/abs/2011JaJAP..50gHE08C https://getinfo.de/app/Arsenite-Oxidation-and-Treatment-by-Ultrasound/id/BLCP3ACN080123915 http://u |
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| author | Cui, M. Jang, M. Lee, S. Kweon, B. Yun, S.T. Khim, J. |
| author_facet | Cui, M. Jang, M. Lee, S. Kweon, B. Yun, S.T. Khim, J. |
| author_sort | Cui, M. |
| building | UM Library |
| collection | Institutional Repository |
| content_provider | Universiti Malaya |
| content_source | UM Research Repository |
| continent | Asia |
| country | Malaysia |
| description | The oxidation and treatment of arsenite [As(III)] with ultrasound (US) and Fe(II) was investigated in aqueous solutions. The oxidation of As(III) into As(V), over 99.1%, was obtained by US450kHz. The kinetics of As(III) oxidation were interpreted using the modified pseudo-first-order kinetic model. The half life of As(III) was approximately 3.47 × 10-2 for the US450kHz/Fe(II)0:4mg/L reaction and depended on the iron concentration. The arsenic removal capacity of complexed and coprecipitated FeAsO4(s) was estimated to be 16.12mg per g of iron oxide. It is concluded that the sonochemical treatment of As(III) solution in the presence of Fe(II) is a simple and viable technique for the oxidation of As(III) into arsenate [As(V)] and the treatment of total arsenic. © 2011 The Japan Society of Applied Physics. |
| format | Article |
| id | my.um.eprints-9190 |
| institution | Universiti Malaya |
| language | en |
| publishDate | 2011 |
| record_format | eprints |
| spelling | my.um.eprints-91902014-01-30T03:56:33Z http://eprints.um.edu.my/9190/ Arsenite oxidation and treatment by ultrasound/iron in aqueous solutions Cui, M. Jang, M. Lee, S. Kweon, B. Yun, S.T. Khim, J. TA Engineering (General). Civil engineering (General) The oxidation and treatment of arsenite [As(III)] with ultrasound (US) and Fe(II) was investigated in aqueous solutions. The oxidation of As(III) into As(V), over 99.1%, was obtained by US450kHz. The kinetics of As(III) oxidation were interpreted using the modified pseudo-first-order kinetic model. The half life of As(III) was approximately 3.47 × 10-2 for the US450kHz/Fe(II)0:4mg/L reaction and depended on the iron concentration. The arsenic removal capacity of complexed and coprecipitated FeAsO4(s) was estimated to be 16.12mg per g of iron oxide. It is concluded that the sonochemical treatment of As(III) solution in the presence of Fe(II) is a simple and viable technique for the oxidation of As(III) into arsenate [As(V)] and the treatment of total arsenic. © 2011 The Japan Society of Applied Physics. 2011 Article PeerReviewed application/pdf en http://eprints.um.edu.my/9190/1/Arsenite_Oxidation_and_Treatment_by_Ultrasound.pdf Cui, M. and Jang, M. and Lee, S. and Kweon, B. and Yun, S.T. and Khim, J. (2011) Arsenite oxidation and treatment by ultrasound/iron in aqueous solutions. Japanese Journal of Applied Physics, 50 (7). ISSN 0021-4922, DOI https://doi.org/10.1143/Jjap.50.07he08 <https://doi.org/10.1143/Jjap.50.07he08>. http://www.scopus.com/inward/record.url?eid=2-s2.0-79960583769&partnerID=40&md5=8aeb7c49c58194686425f80a281cf7ac adsabs.harvard.edu/abs/2011JaJAP..50gHE08C https://getinfo.de/app/Arsenite-Oxidation-and-Treatment-by-Ultrasound/id/BLCP3ACN080123915 http://u Doi 10.1143/Jjap.50.07he08 |
| spellingShingle | TA Engineering (General). Civil engineering (General) Cui, M. Jang, M. Lee, S. Kweon, B. Yun, S.T. Khim, J. Arsenite oxidation and treatment by ultrasound/iron in aqueous solutions |
| title | Arsenite oxidation and treatment by ultrasound/iron in aqueous solutions |
| title_full | Arsenite oxidation and treatment by ultrasound/iron in aqueous solutions |
| title_fullStr | Arsenite oxidation and treatment by ultrasound/iron in aqueous solutions |
| title_full_unstemmed | Arsenite oxidation and treatment by ultrasound/iron in aqueous solutions |
| title_short | Arsenite oxidation and treatment by ultrasound/iron in aqueous solutions |
| title_sort | arsenite oxidation and treatment by ultrasound/iron in aqueous solutions |
| topic | TA Engineering (General). Civil engineering (General) |
| url | http://eprints.um.edu.my/9190/1/Arsenite_Oxidation_and_Treatment_by_Ultrasound.pdf http://eprints.um.edu.my/9190/ http://www.scopus.com/inward/record.url?eid=2-s2.0-79960583769&partnerID=40&md5=8aeb7c49c58194686425f80a281cf7ac adsabs.harvard.edu/abs/2011JaJAP..50gHE08C https://getinfo.de/app/Arsenite-Oxidation-and-Treatment-by-Ultrasound/id/BLCP3ACN080123915 http://u |
| url_provider | http://eprints.um.edu.my/ |