Detoxification of Tunisian landfill leachates by selected fungi.
Identifieur interne : 000733 ( Main/Corpus ); précédent : 000732; suivant : 000734Detoxification of Tunisian landfill leachates by selected fungi.
Auteurs : Mariem Ellouze ; Fathi Aloui ; Sami SayadiSource :
- Journal of hazardous materials [ 0304-3894 ] ; 2008.
English descriptors
- KwdEn :
- Aliivibrio fischeri (drug effects), Aliivibrio fischeri (metabolism), Ammonia (analysis), Ammonia (metabolism), Ammonia (toxicity), Fungi (drug effects), Fungi (metabolism), Germination (drug effects), Hydrocarbons (analysis), Hydrocarbons (metabolism), Hydrocarbons (toxicity), Laccase (metabolism), Lepidium sativum (drug effects), Lepidium sativum (growth & development), Luminescence (MeSH), Metals, Heavy (analysis), Metals, Heavy (metabolism), Metals, Heavy (toxicity), Peroxidases (metabolism), Phenols (analysis), Phenols (metabolism), Phenols (toxicity), Refuse Disposal (MeSH), Tunisia (MeSH), Waste Disposal, Fluid (methods), Water Pollutants, Chemical (analysis), Water Pollutants, Chemical (metabolism), Water Pollutants, Chemical (toxicity).
- MESH :
- chemical , analysis : Ammonia, Hydrocarbons, Metals, Heavy, Phenols, Water Pollutants, Chemical.
- chemical , metabolism : Water Pollutants, Chemical.
- chemical , toxicity : Water Pollutants, Chemical.
- geographic : Tunisia.
- drug effects : Aliivibrio fischeri, Fungi, Germination, Lepidium sativum.
- growth & development : Lepidium sativum.
- metabolism : Aliivibrio fischeri, Ammonia, Fungi, Hydrocarbons, Laccase, Metals, Heavy, Peroxidases, Phenols.
- methods : Waste Disposal, Fluid.
- chemical , toxicity : Ammonia, Hydrocarbons, Metals, Heavy, Phenols.
- Luminescence, Refuse Disposal.
Abstract
Young landfill leachates (LFL) collected from Djebel Chekir (Tunisia) discharge area were found to be highly loaded with organic matter, ammonia, salts, heavy metals, phenols and hydrocarbons. Despite the possibility of their biodegradability, they represent a threat to the environment and show some resistance to conventional wastewater treatment processes. For these reasons, this study attempted to develop a biological process for the treatment of LFL using selected strains of Trametes trogii, Phanerochaete chrysosporium, Lentinus tigrinus and Aspergillus niger. Experiments were undertaken at different concentrations of the effluent up to 100%. COD removal efficiencies for P. chrysosporium, T. trogii and L. tigrinus were of 68, 79 and 90%, respectively, when LFL underwent a two-fold dilution. COD abatements were accompanied with an important enzyme secretion and a high reduction in the toxicity, expressed as percent bioluminescence inhibition (%BI<20%). Above 50% of LFL, the effluent was toxic to these strains and caused growth inhibition indicating the sensitivity of these strains to concentrated LFL. Comparatively to the other tested strains, A. niger showed to tolerate raw LFL since it grew at 100% of LFL. However, this strain is inefficient in removing phenols and hydrocarbons. Consequently, toxicity abatement was very low (%BI>70%).
DOI: 10.1016/j.jhazmat.2007.05.013
PubMed: 17570582
Links to Exploration step
pubmed:17570582Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Detoxification of Tunisian landfill leachates by selected fungi.</title>
<author><name sortKey="Ellouze, Mariem" sort="Ellouze, Mariem" uniqKey="Ellouze M" first="Mariem" last="Ellouze">Mariem Ellouze</name>
<affiliation><nlm:affiliation>Laboratoire des Bioprocédés, Centre de Biotechnologie de Sfax, BP "K", 3038 Sfax, Tunisia.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Aloui, Fathi" sort="Aloui, Fathi" uniqKey="Aloui F" first="Fathi" last="Aloui">Fathi Aloui</name>
</author>
<author><name sortKey="Sayadi, Sami" sort="Sayadi, Sami" uniqKey="Sayadi S" first="Sami" last="Sayadi">Sami Sayadi</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Detoxification of Tunisian landfill leachates by selected fungi.</title>
<author><name sortKey="Ellouze, Mariem" sort="Ellouze, Mariem" uniqKey="Ellouze M" first="Mariem" last="Ellouze">Mariem Ellouze</name>
<affiliation><nlm:affiliation>Laboratoire des Bioprocédés, Centre de Biotechnologie de Sfax, BP "K", 3038 Sfax, Tunisia.</nlm:affiliation>
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<author><name sortKey="Aloui, Fathi" sort="Aloui, Fathi" uniqKey="Aloui F" first="Fathi" last="Aloui">Fathi Aloui</name>
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<author><name sortKey="Sayadi, Sami" sort="Sayadi, Sami" uniqKey="Sayadi S" first="Sami" last="Sayadi">Sami Sayadi</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aliivibrio fischeri (drug effects)</term>
<term>Aliivibrio fischeri (metabolism)</term>
<term>Ammonia (analysis)</term>
<term>Ammonia (metabolism)</term>
<term>Ammonia (toxicity)</term>
<term>Fungi (drug effects)</term>
<term>Fungi (metabolism)</term>
<term>Germination (drug effects)</term>
<term>Hydrocarbons (analysis)</term>
<term>Hydrocarbons (metabolism)</term>
<term>Hydrocarbons (toxicity)</term>
<term>Laccase (metabolism)</term>
<term>Lepidium sativum (drug effects)</term>
<term>Lepidium sativum (growth & development)</term>
<term>Luminescence (MeSH)</term>
<term>Metals, Heavy (analysis)</term>
<term>Metals, Heavy (metabolism)</term>
<term>Metals, Heavy (toxicity)</term>
<term>Peroxidases (metabolism)</term>
<term>Phenols (analysis)</term>
<term>Phenols (metabolism)</term>
<term>Phenols (toxicity)</term>
<term>Refuse Disposal (MeSH)</term>
<term>Tunisia (MeSH)</term>
<term>Waste Disposal, Fluid (methods)</term>
<term>Water Pollutants, Chemical (analysis)</term>
<term>Water Pollutants, Chemical (metabolism)</term>
<term>Water Pollutants, Chemical (toxicity)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Ammonia</term>
<term>Hydrocarbons</term>
<term>Metals, Heavy</term>
<term>Phenols</term>
<term>Water Pollutants, Chemical</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Water Pollutants, Chemical</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Water Pollutants, Chemical</term>
</keywords>
<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Tunisia</term>
</keywords>
<keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Aliivibrio fischeri</term>
<term>Fungi</term>
<term>Germination</term>
<term>Lepidium sativum</term>
</keywords>
<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Lepidium sativum</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Aliivibrio fischeri</term>
<term>Ammonia</term>
<term>Fungi</term>
<term>Hydrocarbons</term>
<term>Laccase</term>
<term>Metals, Heavy</term>
<term>Peroxidases</term>
<term>Phenols</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Waste Disposal, Fluid</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Ammonia</term>
<term>Hydrocarbons</term>
<term>Metals, Heavy</term>
<term>Phenols</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Luminescence</term>
<term>Refuse Disposal</term>
</keywords>
</textClass>
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<front><div type="abstract" xml:lang="en">Young landfill leachates (LFL) collected from Djebel Chekir (Tunisia) discharge area were found to be highly loaded with organic matter, ammonia, salts, heavy metals, phenols and hydrocarbons. Despite the possibility of their biodegradability, they represent a threat to the environment and show some resistance to conventional wastewater treatment processes. For these reasons, this study attempted to develop a biological process for the treatment of LFL using selected strains of Trametes trogii, Phanerochaete chrysosporium, Lentinus tigrinus and Aspergillus niger. Experiments were undertaken at different concentrations of the effluent up to 100%. COD removal efficiencies for P. chrysosporium, T. trogii and L. tigrinus were of 68, 79 and 90%, respectively, when LFL underwent a two-fold dilution. COD abatements were accompanied with an important enzyme secretion and a high reduction in the toxicity, expressed as percent bioluminescence inhibition (%BI<20%). Above 50% of LFL, the effluent was toxic to these strains and caused growth inhibition indicating the sensitivity of these strains to concentrated LFL. Comparatively to the other tested strains, A. niger showed to tolerate raw LFL since it grew at 100% of LFL. However, this strain is inefficient in removing phenols and hydrocarbons. Consequently, toxicity abatement was very low (%BI>70%).</div>
</front>
</TEI>
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<DateCompleted><Year>2008</Year>
<Month>05</Month>
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<DateRevised><Year>2011</Year>
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<Title>Journal of hazardous materials</Title>
<ISOAbbreviation>J Hazard Mater</ISOAbbreviation>
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<ArticleTitle>Detoxification of Tunisian landfill leachates by selected fungi.</ArticleTitle>
<Pagination><MedlinePgn>642-8</MedlinePgn>
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<Abstract><AbstractText>Young landfill leachates (LFL) collected from Djebel Chekir (Tunisia) discharge area were found to be highly loaded with organic matter, ammonia, salts, heavy metals, phenols and hydrocarbons. Despite the possibility of their biodegradability, they represent a threat to the environment and show some resistance to conventional wastewater treatment processes. For these reasons, this study attempted to develop a biological process for the treatment of LFL using selected strains of Trametes trogii, Phanerochaete chrysosporium, Lentinus tigrinus and Aspergillus niger. Experiments were undertaken at different concentrations of the effluent up to 100%. COD removal efficiencies for P. chrysosporium, T. trogii and L. tigrinus were of 68, 79 and 90%, respectively, when LFL underwent a two-fold dilution. COD abatements were accompanied with an important enzyme secretion and a high reduction in the toxicity, expressed as percent bioluminescence inhibition (%BI<20%). Above 50% of LFL, the effluent was toxic to these strains and caused growth inhibition indicating the sensitivity of these strains to concentrated LFL. Comparatively to the other tested strains, A. niger showed to tolerate raw LFL since it grew at 100% of LFL. However, this strain is inefficient in removing phenols and hydrocarbons. Consequently, toxicity abatement was very low (%BI>70%).</AbstractText>
</Abstract>
<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ellouze</LastName>
<ForeName>Mariem</ForeName>
<Initials>M</Initials>
<AffiliationInfo><Affiliation>Laboratoire des Bioprocédés, Centre de Biotechnologie de Sfax, BP "K", 3038 Sfax, Tunisia.</Affiliation>
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<Author ValidYN="Y"><LastName>Aloui</LastName>
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<Author ValidYN="Y"><LastName>Sayadi</LastName>
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<Language>eng</Language>
<PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType>
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<NameOfSubstance UI="D019216">Metals, Heavy</NameOfSubstance>
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<Chemical><RegistryNumber>7664-41-7</RegistryNumber>
<NameOfSubstance UI="D000641">Ammonia</NameOfSubstance>
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<Chemical><RegistryNumber>EC 1.10.3.2</RegistryNumber>
<NameOfSubstance UI="D042845">Laccase</NameOfSubstance>
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<Chemical><RegistryNumber>EC 1.11.1.-</RegistryNumber>
<NameOfSubstance UI="D010544">Peroxidases</NameOfSubstance>
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<Chemical><RegistryNumber>EC 1.11.1.-</RegistryNumber>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D048908" MajorTopicYN="N">Aliivibrio fischeri</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D000641" MajorTopicYN="N">Ammonia</DescriptorName>
<QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName>
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<MeshHeading><DescriptorName UI="D005658" MajorTopicYN="N">Fungi</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
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<QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName>
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<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D031220" MajorTopicYN="N">Lepidium sativum</DescriptorName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
<QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D049449" MajorTopicYN="N">Luminescence</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D019216" MajorTopicYN="N">Metals, Heavy</DescriptorName>
<QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D010544" MajorTopicYN="N">Peroxidases</DescriptorName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
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<QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName>
<QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName>
<QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D012037" MajorTopicYN="Y">Refuse Disposal</DescriptorName>
</MeshHeading>
<MeshHeading><DescriptorName UI="D014416" MajorTopicYN="N" Type="Geographic">Tunisia</DescriptorName>
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<MeshHeading><DescriptorName UI="D014865" MajorTopicYN="N">Waste Disposal, Fluid</DescriptorName>
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<QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName>
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