Serveur d'exploration sur le peuplier

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Biodegradation of phenolic compounds from coking wastewater by immobilized white rot fungus Phanerochaete chrysosporium.

Identifieur interne : 003694 ( Main/Exploration ); précédent : 003693; suivant : 003695

Biodegradation of phenolic compounds from coking wastewater by immobilized white rot fungus Phanerochaete chrysosporium.

Auteurs : Yong Lu [République populaire de Chine] ; Lianhe Yan ; Ying Wang ; Shenfan Zhou ; Jiajun Fu ; Jianfa Zhang

Source :

RBID : pubmed:19062164

Descripteurs français

English descriptors

Abstract

A white rot fungus Phanerochaete chrysosporium, immobilized with the wood chips of Italian poplar, was employed for biodegradation of phenolic compounds in coking wastewater. The immobilized fungus, dried by vacuum freeze desiccator, was kept high activity after a 9-month preservation and easy to be activated and domesticated. The removal rates of phenolic compounds and COD by immobilized fungus were 87.05% and 72.09% in 6 days, which were obviously higher than that by free fungus. For phenolic compounds biodegradation, a pH ranging from 4.0 to 6.0 and a temperature ranging from 28 degrees C to 37 degrees C create suitable conditions, and optimum 5.0 and 35 degrees C, respectively. The optimum removal rate of phenolic compounds was over 84% and COD was 80% in 3 days. And the biodegradation of phenolic compounds followed the first-order kinetics. It is an efficient and convenient method for coking wastewater treatment.

DOI: 10.1016/j.jhazmat.2008.10.091
PubMed: 19062164


Affiliations:


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Le document en format XML

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<name sortKey="Wang, Ying" sort="Wang, Ying" uniqKey="Wang Y" first="Ying" last="Wang">Ying Wang</name>
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<name sortKey="Zhou, Shenfan" sort="Zhou, Shenfan" uniqKey="Zhou S" first="Shenfan" last="Zhou">Shenfan Zhou</name>
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<name sortKey="Fu, Jiajun" sort="Fu, Jiajun" uniqKey="Fu J" first="Jiajun" last="Fu">Jiajun Fu</name>
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<name sortKey="Zhang, Jianfa" sort="Zhang, Jianfa" uniqKey="Zhang J" first="Jianfa" last="Zhang">Jianfa Zhang</name>
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<term>Biodegradation, Environmental (MeSH)</term>
<term>Coke (MeSH)</term>
<term>Hydrogen-Ion Concentration (MeSH)</term>
<term>Industrial Waste (prevention & control)</term>
<term>Kinetics (MeSH)</term>
<term>Phanerochaete (metabolism)</term>
<term>Phenols (metabolism)</term>
<term>Temperature (MeSH)</term>
<term>Water Pollutants, Chemical (metabolism)</term>
<term>Water Purification (methods)</term>
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<keywords scheme="KwdFr" xml:lang="fr">
<term>Cinétique (MeSH)</term>
<term>Coke (MeSH)</term>
<term>Concentration en ions d'hydrogène (MeSH)</term>
<term>Déchets industriels (prévention et contrôle)</term>
<term>Dépollution biologique de l'environnement (MeSH)</term>
<term>Phanerochaete (métabolisme)</term>
<term>Phénols (métabolisme)</term>
<term>Polluants chimiques de l'eau (métabolisme)</term>
<term>Purification de l'eau (méthodes)</term>
<term>Température (MeSH)</term>
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<term>Phenols</term>
<term>Water Pollutants, Chemical</term>
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<term>Industrial Waste</term>
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<term>Coke</term>
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<div type="abstract" xml:lang="en">A white rot fungus Phanerochaete chrysosporium, immobilized with the wood chips of Italian poplar, was employed for biodegradation of phenolic compounds in coking wastewater. The immobilized fungus, dried by vacuum freeze desiccator, was kept high activity after a 9-month preservation and easy to be activated and domesticated. The removal rates of phenolic compounds and COD by immobilized fungus were 87.05% and 72.09% in 6 days, which were obviously higher than that by free fungus. For phenolic compounds biodegradation, a pH ranging from 4.0 to 6.0 and a temperature ranging from 28 degrees C to 37 degrees C create suitable conditions, and optimum 5.0 and 35 degrees C, respectively. The optimum removal rate of phenolic compounds was over 84% and COD was 80% in 3 days. And the biodegradation of phenolic compounds followed the first-order kinetics. It is an efficient and convenient method for coking wastewater treatment.</div>
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