Investigation of photo-assisted and crude peroxidase mediated transformations of chlorinated phenols (CPs) from spiked and industrial wastewaters : identification of reaction products

This work focused on photo-assisted crude peroxidase mediated transformations of chlorinated phenols (CPs) from spiked and industrial wastewaters and the identification of reaction products formed. Garden radish Raphanus sativus was the source of crude peroxidase. No chlorine bearing compounds were...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 72(2015), 5 vom: 15., Seite 746-53
1. Verfasser: Sharma, Swati (VerfasserIn)
Weitere Verfasser: Mukhopadhyay, Mausumi, Murthy, Z V P
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Chlorides Chlorophenols Phenols Waste Water Water Pollutants, Chemical 4-chlorophenol 3DLC36A01X Pentachlorophenol D9BSU0SE4T mehr... Peroxidases EC 1.11.1.- 2,4,6-trichlorophenol MHS8C5BAUZ 2,4-dichlorophenol R669TG1950
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520 |a This work focused on photo-assisted crude peroxidase mediated transformations of chlorinated phenols (CPs) from spiked and industrial wastewaters and the identification of reaction products formed. Garden radish Raphanus sativus was the source of crude peroxidase. No chlorine bearing compounds were detected by gas chromatography-high resolution mass spectrometry analysis. Under identical test conditions, the concentrations of 4-chlorophenol and 2,4-dichlorophenol were demoted to zero from 514 mg/L, 652 mg/L and that of 2,4,6-trichlorophenol and pentachlorophenol were reduced to 18 mg/L and 37 mg/L from 790 mg/L and 1066 mg/L, respectively (high-pressure liquid chromatography analysis). Chloride ion release profiles also showed a progressively increasing trend. A neat chemical oxygen demand removal to the extent of 63-79% was achieved in the case of spiked wastewater sample and to the extent of 77% for industrial wastewaters. A hypothesis reaction scheme was also suggested to comprehend the mechanism of degradation reactions 
650 4 |a Journal Article 
650 7 |a Chlorides  |2 NLM 
650 7 |a Chlorophenols  |2 NLM 
650 7 |a Phenols  |2 NLM 
650 7 |a Waste Water  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a 4-chlorophenol  |2 NLM 
650 7 |a 3DLC36A01X  |2 NLM 
650 7 |a Pentachlorophenol  |2 NLM 
650 7 |a D9BSU0SE4T  |2 NLM 
650 7 |a Peroxidases  |2 NLM 
650 7 |a EC 1.11.1.-  |2 NLM 
650 7 |a 2,4,6-trichlorophenol  |2 NLM 
650 7 |a MHS8C5BAUZ  |2 NLM 
650 7 |a 2,4-dichlorophenol  |2 NLM 
650 7 |a R669TG1950  |2 NLM 
700 1 |a Mukhopadhyay, Mausumi  |e verfasserin  |4 aut 
700 1 |a Murthy, Z V P  |e verfasserin  |4 aut 
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773 1 8 |g volume:72  |g year:2015  |g number:5  |g day:15  |g pages:746-53 
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