Degradation and mineralization of azo dye reactive blue 222 by sequential Photo-Fenton's oxidation followed by aerobic biological treatment using white rot fungi.
Identifieur interne : 000386 ( Main/Corpus ); précédent : 000385; suivant : 000387Degradation and mineralization of azo dye reactive blue 222 by sequential Photo-Fenton's oxidation followed by aerobic biological treatment using white rot fungi.
Auteurs : Shumaila Kiran ; Shaukat Ali ; Muhammad AsgherSource :
- Bulletin of environmental contamination and toxicology [ 1432-0800 ] ; 2013.
English descriptors
- KwdEn :
- Aerobiosis (MeSH), Azo Compounds (metabolism), Biodegradation, Environmental (MeSH), Biological Oxygen Demand Analysis (MeSH), Coloring Agents (metabolism), Hydrogen Peroxide (metabolism), Iron (metabolism), Minerals (metabolism), Oxidation-Reduction (MeSH), Phanerochaete (metabolism), Photolysis (MeSH), Spectrophotometry, Ultraviolet (MeSH), Spectroscopy, Fourier Transform Infrared (MeSH).
- MESH :
- chemical , metabolism : Azo Compounds, Coloring Agents, Hydrogen Peroxide, Iron, Minerals.
- metabolism : Phanerochaete.
- Aerobiosis, Biodegradation, Environmental, Biological Oxygen Demand Analysis, Oxidation-Reduction, Photolysis, Spectrophotometry, Ultraviolet, Spectroscopy, Fourier Transform Infrared.
Abstract
A two stage sequential Photo-Fenton's oxidation followed by aerobic biological treatment using two white rot fungi P. ostreatus IBL-02 (PO) and P. chrysosporium IBL-03 (PC) was performed to check decolorization and to enhance mineralization of azo dye Reactive Blue 222 (RB222). In the first stage, selected dye was subjected to Photo-Fenton's oxidation with decolorization percentage ≈90 % which was further increased to 96.88 % and 95.23 % after aerobic treatment using two white rot fungi P. ostreatus IBL-02 (PO) and P. chrysosporium IBL-03 (PC), respectively. Mineralization efficiency was accessed by measuring the water quality assurance parameters like COD, TOC, TSS and Phenolics estimation. Reduction in COD, TOC, TSS and Phenolics were found to be 95.34 %, 90.11 %, 90.84 % and 92.22 %, respectively in two stage sequential processes. The degradation products were characterized by UV-visible and FTIR spectral techniques and their toxicity was measured. The results provide evidence that both fungal strains were able to oxidize and mineralize the selected azo dye into non-toxic metabolites.
DOI: 10.1007/s00128-012-0888-0
PubMed: 23272326
Links to Exploration step
pubmed:23272326Le document en format XML
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In the first stage, selected dye was subjected to Photo-Fenton's oxidation with decolorization percentage ≈90 % which was further increased to 96.88 % and 95.23 % after aerobic treatment using two white rot fungi P. ostreatus IBL-02 (PO) and P. chrysosporium IBL-03 (PC), respectively. Mineralization efficiency was accessed by measuring the water quality assurance parameters like COD, TOC, TSS and Phenolics estimation. Reduction in COD, TOC, TSS and Phenolics were found to be 95.34 %, 90.11 %, 90.84 % and 92.22 %, respectively in two stage sequential processes. The degradation products were characterized by UV-visible and FTIR spectral techniques and their toxicity was measured. The results provide evidence that both fungal strains were able to oxidize and mineralize the selected azo dye into non-toxic metabolites.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23272326</PMID><DateCompleted><Year>2013</Year><Month>06</Month><Day>25</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-0800</ISSN><JournalIssue CitedMedium="Internet"><Volume>90</Volume><Issue>2</Issue><PubDate><Year>2013</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Bulletin of environmental contamination and toxicology</Title><ISOAbbreviation>Bull Environ Contam Toxicol</ISOAbbreviation></Journal><ArticleTitle>Degradation and mineralization of azo dye reactive blue 222 by sequential Photo-Fenton's oxidation followed by aerobic biological treatment using white rot fungi.</ArticleTitle><Pagination><MedlinePgn>208-15</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00128-012-0888-0</ELocationID><Abstract><AbstractText>A two stage sequential Photo-Fenton's oxidation followed by aerobic biological treatment using two white rot fungi P. ostreatus IBL-02 (PO) and P. chrysosporium IBL-03 (PC) was performed to check decolorization and to enhance mineralization of azo dye Reactive Blue 222 (RB222). In the first stage, selected dye was subjected to Photo-Fenton's oxidation with decolorization percentage ≈90 % which was further increased to 96.88 % and 95.23 % after aerobic treatment using two white rot fungi P. ostreatus IBL-02 (PO) and P. chrysosporium IBL-03 (PC), respectively. Mineralization efficiency was accessed by measuring the water quality assurance parameters like COD, TOC, TSS and Phenolics estimation. Reduction in COD, TOC, TSS and Phenolics were found to be 95.34 %, 90.11 %, 90.84 % and 92.22 %, respectively in two stage sequential processes. The degradation products were characterized by UV-visible and FTIR spectral techniques and their toxicity was measured. 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