Degradation of endosulfan and lindane using Fenton’s reagent

Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Begum, Asfiya [verfasserIn] Agnihotri, Prakhar Mahindrakar, Amit B. Gautam, Sumit Kumar

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	Dechlorination Endosulfan Lindane Fenton’s reaction

Anmerkung:	© The Author(s) 2014

Übergeordnetes Werk:	Enthalten in: Applied water science - Berlin : Springer, 2011, 7(2014), 1 vom: 31. Okt., Seite 207-215
Übergeordnetes Werk:	volume:7 ; year:2014 ; number:1 ; day:31 ; month:10 ; pages:207-215

Links:	Volltext

DOI / URN:	10.1007/s13201-014-0237-z

Katalog-ID:	SPR031374948

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520			\|a Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $ was found to be optimum for endosulfan and lindane, respectively, with the degradation efficiency of ~83 % at pH 3. Further addition of $ FeSO_{4} $ remained unutilized and contributed to the dissolved solid content. $ FeSO_{4} $:$ H_{2} %$ O_{2} $ (w/w) ratio of 1:4.7 and 1:7 was optimized for endosulfan and lindane, respectively. First-order reaction kinetics (5, 7.5 and 10 ppm) were observed for both endosulfan and lindane degradations. Calculated rate constant values (kobs’) for initial endosulfan concentration of 5, 7.5 and 10 ppm were 0.021, 0.133, 0.046 $ min^{−1} $, respectively. While rate constant values (kobs’) of 0.057, 0.035 and 0.034 $ min^{−1} $ were observed for kinetics performed with 5, 7.5 and 10 ppm initial lindane concentrations, respectively. GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. While lindane degradation process was spontaneous with the formation of 1-hexene formed by benzene ring fission.
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allfields	10.1007/s13201-014-0237-z doi (DE-627)SPR031374948 (SPR)s13201-014-0237-z-e DE-627 ger DE-627 rakwb eng Begum, Asfiya verfasserin aut Degradation of endosulfan and lindane using Fenton’s reagent 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2014 Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $ was found to be optimum for endosulfan and lindane, respectively, with the degradation efficiency of ~83 % at pH 3. Further addition of $ FeSO_{4} $ remained unutilized and contributed to the dissolved solid content. $ FeSO_{4} $:$ H_{2} %$ O_{2} $ (w/w) ratio of 1:4.7 and 1:7 was optimized for endosulfan and lindane, respectively. First-order reaction kinetics (5, 7.5 and 10 ppm) were observed for both endosulfan and lindane degradations. Calculated rate constant values (kobs’) for initial endosulfan concentration of 5, 7.5 and 10 ppm were 0.021, 0.133, 0.046 $ min^{−1} $, respectively. While rate constant values (kobs’) of 0.057, 0.035 and 0.034 $ min^{−1} $ were observed for kinetics performed with 5, 7.5 and 10 ppm initial lindane concentrations, respectively. GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. While lindane degradation process was spontaneous with the formation of 1-hexene formed by benzene ring fission. Dechlorination (dpeaa)DE-He213 Endosulfan (dpeaa)DE-He213 Lindane (dpeaa)DE-He213 Fenton’s reaction (dpeaa)DE-He213 Agnihotri, Prakhar aut Mahindrakar, Amit B. aut Gautam, Sumit Kumar aut Enthalten in Applied water science Berlin : Springer, 2011 7(2014), 1 vom: 31. Okt., Seite 207-215 (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:7 year:2014 number:1 day:31 month:10 pages:207-215 https://dx.doi.org/10.1007/s13201-014-0237-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 31 10 207-215
spelling	10.1007/s13201-014-0237-z doi (DE-627)SPR031374948 (SPR)s13201-014-0237-z-e DE-627 ger DE-627 rakwb eng Begum, Asfiya verfasserin aut Degradation of endosulfan and lindane using Fenton’s reagent 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2014 Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $ was found to be optimum for endosulfan and lindane, respectively, with the degradation efficiency of ~83 % at pH 3. Further addition of $ FeSO_{4} $ remained unutilized and contributed to the dissolved solid content. $ FeSO_{4} $:$ H_{2} %$ O_{2} $ (w/w) ratio of 1:4.7 and 1:7 was optimized for endosulfan and lindane, respectively. First-order reaction kinetics (5, 7.5 and 10 ppm) were observed for both endosulfan and lindane degradations. Calculated rate constant values (kobs’) for initial endosulfan concentration of 5, 7.5 and 10 ppm were 0.021, 0.133, 0.046 $ min^{−1} $, respectively. While rate constant values (kobs’) of 0.057, 0.035 and 0.034 $ min^{−1} $ were observed for kinetics performed with 5, 7.5 and 10 ppm initial lindane concentrations, respectively. GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. While lindane degradation process was spontaneous with the formation of 1-hexene formed by benzene ring fission. Dechlorination (dpeaa)DE-He213 Endosulfan (dpeaa)DE-He213 Lindane (dpeaa)DE-He213 Fenton’s reaction (dpeaa)DE-He213 Agnihotri, Prakhar aut Mahindrakar, Amit B. aut Gautam, Sumit Kumar aut Enthalten in Applied water science Berlin : Springer, 2011 7(2014), 1 vom: 31. Okt., Seite 207-215 (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:7 year:2014 number:1 day:31 month:10 pages:207-215 https://dx.doi.org/10.1007/s13201-014-0237-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 31 10 207-215
allfields_unstemmed	10.1007/s13201-014-0237-z doi (DE-627)SPR031374948 (SPR)s13201-014-0237-z-e DE-627 ger DE-627 rakwb eng Begum, Asfiya verfasserin aut Degradation of endosulfan and lindane using Fenton’s reagent 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2014 Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $ was found to be optimum for endosulfan and lindane, respectively, with the degradation efficiency of ~83 % at pH 3. Further addition of $ FeSO_{4} $ remained unutilized and contributed to the dissolved solid content. $ FeSO_{4} $:$ H_{2} %$ O_{2} $ (w/w) ratio of 1:4.7 and 1:7 was optimized for endosulfan and lindane, respectively. First-order reaction kinetics (5, 7.5 and 10 ppm) were observed for both endosulfan and lindane degradations. Calculated rate constant values (kobs’) for initial endosulfan concentration of 5, 7.5 and 10 ppm were 0.021, 0.133, 0.046 $ min^{−1} $, respectively. While rate constant values (kobs’) of 0.057, 0.035 and 0.034 $ min^{−1} $ were observed for kinetics performed with 5, 7.5 and 10 ppm initial lindane concentrations, respectively. GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. While lindane degradation process was spontaneous with the formation of 1-hexene formed by benzene ring fission. Dechlorination (dpeaa)DE-He213 Endosulfan (dpeaa)DE-He213 Lindane (dpeaa)DE-He213 Fenton’s reaction (dpeaa)DE-He213 Agnihotri, Prakhar aut Mahindrakar, Amit B. aut Gautam, Sumit Kumar aut Enthalten in Applied water science Berlin : Springer, 2011 7(2014), 1 vom: 31. Okt., Seite 207-215 (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:7 year:2014 number:1 day:31 month:10 pages:207-215 https://dx.doi.org/10.1007/s13201-014-0237-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 31 10 207-215
allfieldsGer	10.1007/s13201-014-0237-z doi (DE-627)SPR031374948 (SPR)s13201-014-0237-z-e DE-627 ger DE-627 rakwb eng Begum, Asfiya verfasserin aut Degradation of endosulfan and lindane using Fenton’s reagent 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2014 Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $ was found to be optimum for endosulfan and lindane, respectively, with the degradation efficiency of ~83 % at pH 3. Further addition of $ FeSO_{4} $ remained unutilized and contributed to the dissolved solid content. $ FeSO_{4} $:$ H_{2} %$ O_{2} $ (w/w) ratio of 1:4.7 and 1:7 was optimized for endosulfan and lindane, respectively. First-order reaction kinetics (5, 7.5 and 10 ppm) were observed for both endosulfan and lindane degradations. Calculated rate constant values (kobs’) for initial endosulfan concentration of 5, 7.5 and 10 ppm were 0.021, 0.133, 0.046 $ min^{−1} $, respectively. While rate constant values (kobs’) of 0.057, 0.035 and 0.034 $ min^{−1} $ were observed for kinetics performed with 5, 7.5 and 10 ppm initial lindane concentrations, respectively. GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. While lindane degradation process was spontaneous with the formation of 1-hexene formed by benzene ring fission. Dechlorination (dpeaa)DE-He213 Endosulfan (dpeaa)DE-He213 Lindane (dpeaa)DE-He213 Fenton’s reaction (dpeaa)DE-He213 Agnihotri, Prakhar aut Mahindrakar, Amit B. aut Gautam, Sumit Kumar aut Enthalten in Applied water science Berlin : Springer, 2011 7(2014), 1 vom: 31. Okt., Seite 207-215 (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:7 year:2014 number:1 day:31 month:10 pages:207-215 https://dx.doi.org/10.1007/s13201-014-0237-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 31 10 207-215
allfieldsSound	10.1007/s13201-014-0237-z doi (DE-627)SPR031374948 (SPR)s13201-014-0237-z-e DE-627 ger DE-627 rakwb eng Begum, Asfiya verfasserin aut Degradation of endosulfan and lindane using Fenton’s reagent 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2014 Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $ was found to be optimum for endosulfan and lindane, respectively, with the degradation efficiency of ~83 % at pH 3. Further addition of $ FeSO_{4} $ remained unutilized and contributed to the dissolved solid content. $ FeSO_{4} $:$ H_{2} %$ O_{2} $ (w/w) ratio of 1:4.7 and 1:7 was optimized for endosulfan and lindane, respectively. First-order reaction kinetics (5, 7.5 and 10 ppm) were observed for both endosulfan and lindane degradations. Calculated rate constant values (kobs’) for initial endosulfan concentration of 5, 7.5 and 10 ppm were 0.021, 0.133, 0.046 $ min^{−1} $, respectively. While rate constant values (kobs’) of 0.057, 0.035 and 0.034 $ min^{−1} $ were observed for kinetics performed with 5, 7.5 and 10 ppm initial lindane concentrations, respectively. GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. While lindane degradation process was spontaneous with the formation of 1-hexene formed by benzene ring fission. Dechlorination (dpeaa)DE-He213 Endosulfan (dpeaa)DE-He213 Lindane (dpeaa)DE-He213 Fenton’s reaction (dpeaa)DE-He213 Agnihotri, Prakhar aut Mahindrakar, Amit B. aut Gautam, Sumit Kumar aut Enthalten in Applied water science Berlin : Springer, 2011 7(2014), 1 vom: 31. Okt., Seite 207-215 (DE-627)64730242X (DE-600)2594789-8 2190-5495 nnns volume:7 year:2014 number:1 day:31 month:10 pages:207-215 https://dx.doi.org/10.1007/s13201-014-0237-z kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2014 1 31 10 207-215
language	English
source	Enthalten in Applied water science 7(2014), 1 vom: 31. Okt., Seite 207-215 volume:7 year:2014 number:1 day:31 month:10 pages:207-215
sourceStr	Enthalten in Applied water science 7(2014), 1 vom: 31. Okt., Seite 207-215 volume:7 year:2014 number:1 day:31 month:10 pages:207-215
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topic_facet	Dechlorination Endosulfan Lindane Fenton’s reaction
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authorswithroles_txt_mv	Begum, Asfiya @@aut@@ Agnihotri, Prakhar @@aut@@ Mahindrakar, Amit B. @@aut@@ Gautam, Sumit Kumar @@aut@@
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GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. 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author	Begum, Asfiya
spellingShingle	Begum, Asfiya misc Dechlorination misc Endosulfan misc Lindane misc Fenton’s reaction Degradation of endosulfan and lindane using Fenton’s reagent
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topic_title	Degradation of endosulfan and lindane using Fenton’s reagent Dechlorination (dpeaa)DE-He213 Endosulfan (dpeaa)DE-He213 Lindane (dpeaa)DE-He213 Fenton’s reaction (dpeaa)DE-He213
topic	misc Dechlorination misc Endosulfan misc Lindane misc Fenton’s reaction
topic_unstemmed	misc Dechlorination misc Endosulfan misc Lindane misc Fenton’s reaction
topic_browse	misc Dechlorination misc Endosulfan misc Lindane misc Fenton’s reaction
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title	Degradation of endosulfan and lindane using Fenton’s reagent
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title_full	Degradation of endosulfan and lindane using Fenton’s reagent
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author_browse	Begum, Asfiya Agnihotri, Prakhar Mahindrakar, Amit B. Gautam, Sumit Kumar
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doi_str_mv	10.1007/s13201-014-0237-z
title_sort	degradation of endosulfan and lindane using fenton’s reagent
title_auth	Degradation of endosulfan and lindane using Fenton’s reagent
abstract	Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $ was found to be optimum for endosulfan and lindane, respectively, with the degradation efficiency of ~83 % at pH 3. Further addition of $ FeSO_{4} $ remained unutilized and contributed to the dissolved solid content. $ FeSO_{4} $:$ H_{2} %$ O_{2} $ (w/w) ratio of 1:4.7 and 1:7 was optimized for endosulfan and lindane, respectively. First-order reaction kinetics (5, 7.5 and 10 ppm) were observed for both endosulfan and lindane degradations. Calculated rate constant values (kobs’) for initial endosulfan concentration of 5, 7.5 and 10 ppm were 0.021, 0.133, 0.046 $ min^{−1} $, respectively. While rate constant values (kobs’) of 0.057, 0.035 and 0.034 $ min^{−1} $ were observed for kinetics performed with 5, 7.5 and 10 ppm initial lindane concentrations, respectively. GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. While lindane degradation process was spontaneous with the formation of 1-hexene formed by benzene ring fission. © The Author(s) 2014
abstractGer	Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $ was found to be optimum for endosulfan and lindane, respectively, with the degradation efficiency of ~83 % at pH 3. Further addition of $ FeSO_{4} $ remained unutilized and contributed to the dissolved solid content. $ FeSO_{4} $:$ H_{2} %$ O_{2} $ (w/w) ratio of 1:4.7 and 1:7 was optimized for endosulfan and lindane, respectively. First-order reaction kinetics (5, 7.5 and 10 ppm) were observed for both endosulfan and lindane degradations. Calculated rate constant values (kobs’) for initial endosulfan concentration of 5, 7.5 and 10 ppm were 0.021, 0.133, 0.046 $ min^{−1} $, respectively. While rate constant values (kobs’) of 0.057, 0.035 and 0.034 $ min^{−1} $ were observed for kinetics performed with 5, 7.5 and 10 ppm initial lindane concentrations, respectively. GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. While lindane degradation process was spontaneous with the formation of 1-hexene formed by benzene ring fission. © The Author(s) 2014
abstract_unstemmed	Abstract Advanced oxidation of endosulfan and lindane was investigated using Fenton’s reagent ($ FeSO_{4} $/$ H_{2} %$ O_{2} $) in aqueous phase. A pH of 3 was chosen as optimum with the degradation efficiency of 83 % for endosulfan and 92 % for lindane. $ FeSO_{4} $ dose of 50 and 20 mg $ ml^{−1} $ was found to be optimum for endosulfan and lindane, respectively, with the degradation efficiency of ~83 % at pH 3. Further addition of $ FeSO_{4} $ remained unutilized and contributed to the dissolved solid content. $ FeSO_{4} $:$ H_{2} %$ O_{2} $ (w/w) ratio of 1:4.7 and 1:7 was optimized for endosulfan and lindane, respectively. First-order reaction kinetics (5, 7.5 and 10 ppm) were observed for both endosulfan and lindane degradations. Calculated rate constant values (kobs’) for initial endosulfan concentration of 5, 7.5 and 10 ppm were 0.021, 0.133, 0.046 $ min^{−1} $, respectively. While rate constant values (kobs’) of 0.057, 0.035 and 0.034 $ min^{−1} $ were observed for kinetics performed with 5, 7.5 and 10 ppm initial lindane concentrations, respectively. GC–MS analysis revealed that degradation process for endosulfan was sequential with the formation of methyl cyclohexane followed by 1-hexene. While lindane degradation process was spontaneous with the formation of 1-hexene formed by benzene ring fission. © The Author(s) 2014
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title_short	Degradation of endosulfan and lindane using Fenton’s reagent
url	https://dx.doi.org/10.1007/s13201-014-0237-z
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author2	Agnihotri, Prakhar Mahindrakar, Amit B. Gautam, Sumit Kumar
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up_date	2024-07-03T23:25:35.370Z
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Degradation of endosulfan and lindane using Fenton’s reagent

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