Degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by FeGAC/H2O2 process
This study examined the degradation of pesticide aqueous solution containing chlorpyrifos, cypermethrin and chlorothalonil by the FeGAC/H2O2 process. Under the operating conditions (FeGAC 5Â g/L, H2O2 concentration 100Â mg/L and pH 3), chemical oxygen demand (COD) and total organic carbon removal we...
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2016
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my.utp.eprints.308872022-03-25T07:40:25Z Degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by FeGAC/H2O2 process Affam, A.C. Chaudhuri, M. Kutty, S.R.M. Muda, K. This study examined the degradation of pesticide aqueous solution containing chlorpyrifos, cypermethrin and chlorothalonil by the FeGAC/H2O2 process. Under the operating conditions (FeGAC 5 g/L, H2O2 concentration 100 mg/L and pH 3), chemical oxygen demand (COD) and total organic carbon removal were 96.2 and 79.2, respectively, and biodegradability (BOD5/COD ratio) increased from 0 to 0.40 after 60 min reaction. Complete degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides active ingredients occurred in 1 min. Kinetic models such as pseudo-first-order, pseudo-second-order and intraparticle diffusion were evaluated. The Fourier transform infrared spectra (treated and untreated pesticide aqueous solutions) also indicated modification and/or degradation of the pesticide organic bonds. The study showed that FeGAC/H2O2 process can be used for the pretreatment of pesticide aqueous solution containing chlorpyrifos, cypermethrin and chlorothalonil before further treatment by biological process. © 2015 Balaban Desalination Publications. All rights reserved. Taylor and Francis Inc. 2016 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-84955204191&doi=10.1080%2f19443994.2014.1001441&partnerID=40&md5=8fe5dca46c868d51d49944cd766b6cf3 Affam, A.C. and Chaudhuri, M. and Kutty, S.R.M. and Muda, K. (2016) Degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by FeGAC/H2O2 process. Desalination and Water Treatment, 57 (11). pp. 5146-5154. http://eprints.utp.edu.my/30887/ |
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This study examined the degradation of pesticide aqueous solution containing chlorpyrifos, cypermethrin and chlorothalonil by the FeGAC/H2O2 process. Under the operating conditions (FeGAC 5 g/L, H2O2 concentration 100 mg/L and pH 3), chemical oxygen demand (COD) and total organic carbon removal were 96.2 and 79.2, respectively, and biodegradability (BOD5/COD ratio) increased from 0 to 0.40 after 60 min reaction. Complete degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides active ingredients occurred in 1 min. Kinetic models such as pseudo-first-order, pseudo-second-order and intraparticle diffusion were evaluated. The Fourier transform infrared spectra (treated and untreated pesticide aqueous solutions) also indicated modification and/or degradation of the pesticide organic bonds. The study showed that FeGAC/H2O2 process can be used for the pretreatment of pesticide aqueous solution containing chlorpyrifos, cypermethrin and chlorothalonil before further treatment by biological process. © 2015 Balaban Desalination Publications. All rights reserved. |
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Article |
| author |
Affam, A.C. Chaudhuri, M. Kutty, S.R.M. Muda, K. |
| spellingShingle |
Affam, A.C. Chaudhuri, M. Kutty, S.R.M. Muda, K. Degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by FeGAC/H2O2 process |
| author_facet |
Affam, A.C. Chaudhuri, M. Kutty, S.R.M. Muda, K. |
| author_sort |
Affam, A.C. |
| title |
Degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by FeGAC/H2O2 process |
| title_short |
Degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by FeGAC/H2O2 process |
| title_full |
Degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by FeGAC/H2O2 process |
| title_fullStr |
Degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by FeGAC/H2O2 process |
| title_full_unstemmed |
Degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by FeGAC/H2O2 process |
| title_sort |
degradation of chlorpyrifos, cypermethrin and chlorothalonil pesticides in aqueous solution by fegac/h2o2 process |
| publisher |
Taylor and Francis Inc. |
| publishDate |
2016 |
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-84955204191&doi=10.1080%2f19443994.2014.1001441&partnerID=40&md5=8fe5dca46c868d51d49944cd766b6cf3 http://eprints.utp.edu.my/30887/ |
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1738657170655805440 |
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13.250246 |