Removal of humic acid from composted hog waste by the white-rot fungus, Phanerochaete chrysosporium.
Identifieur interne : 000800 ( Main/Exploration ); précédent : 000799; suivant : 000801Removal of humic acid from composted hog waste by the white-rot fungus, Phanerochaete chrysosporium.
Auteurs : Junying Liu [Oman] ; Yunmeng Song [Oman] ; Roger Ruan [États-Unis] ; Yuhuan Liu [Oman]Source :
- Water science and technology : a journal of the International Association on Water Pollution Research [ 0273-1223 ] ; 2015.
Descripteurs français
- KwdFr :
- Animaux (MeSH), Dépollution biologique de l'environnement (MeSH), Eaux usées (composition chimique), Eaux usées (microbiologie), Phanerochaete (composition chimique), Phanerochaete (métabolisme), Sol (composition chimique), Substances humiques (analyse), Substances humiques (microbiologie), Suidae (MeSH), Température (MeSH), Élimination des déchets liquides (MeSH).
- MESH :
- analyse : Substances humiques.
- composition chimique : Eaux usées, Phanerochaete, Sol.
- microbiologie : Eaux usées, Substances humiques.
- métabolisme : Phanerochaete.
- Animaux, Dépollution biologique de l'environnement, Suidae, Température, Élimination des déchets liquides.
English descriptors
- KwdEn :
- Animals (MeSH), Biodegradation, Environmental (MeSH), Humic Substances (analysis), Humic Substances (microbiology), Phanerochaete (chemistry), Phanerochaete (metabolism), Soil (chemistry), Swine (MeSH), Temperature (MeSH), Waste Disposal, Fluid (MeSH), Waste Water (chemistry), Waste Water (microbiology).
- MESH :
- chemical , analysis : Humic Substances.
- chemical , chemistry : Soil, Waste Water.
- chemical , microbiology : Humic Substances, Waste Water.
- chemistry : Phanerochaete.
- metabolism : Phanerochaete.
- Animals, Biodegradation, Environmental, Swine, Temperature, Waste Disposal, Fluid.
Abstract
The potential hazards of humic acid (HA) associated with hog waste effluent, coupled with increasing awareness of environmental problems, have prompted many countries to control disposal of effluents into water bodies and to maximize removal of HA. Here we employed the white-rot fungus, Phanerochaete chrysosporium, to degrade the HA in composted hog waste effluent, evaluated by the response surface method. Preliminary experiments demonstrate that pH, temperature and quantity of inoculum are significant variables determining success of the fungus. In total, 13 experiments were conducted with three variables designated as A (pH), B (temperature) and C (inoculum amount). The optimal conditions for reduction of HA by P. chrysosporium are pH 6, 31.5°C and an inoculum quantity of 5.86 g. Predicted and experimental results exhibit strong agreement, indicating efficiency in the model obtained by response surface method. Therefore, P. chrysosporium is an effective micro-organism for removal of HA from composted hog waste effluent.
DOI: 10.2166/wst.2015.166
PubMed: 26114276
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<term>Phanerochaete (chemistry)</term>
<term>Phanerochaete (metabolism)</term>
<term>Soil (chemistry)</term>
<term>Swine (MeSH)</term>
<term>Temperature (MeSH)</term>
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<term>Élimination des déchets liquides (MeSH)</term>
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<term>Dépollution biologique de l'environnement</term>
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<front><div type="abstract" xml:lang="en">The potential hazards of humic acid (HA) associated with hog waste effluent, coupled with increasing awareness of environmental problems, have prompted many countries to control disposal of effluents into water bodies and to maximize removal of HA. Here we employed the white-rot fungus, Phanerochaete chrysosporium, to degrade the HA in composted hog waste effluent, evaluated by the response surface method. Preliminary experiments demonstrate that pH, temperature and quantity of inoculum are significant variables determining success of the fungus. In total, 13 experiments were conducted with three variables designated as A (pH), B (temperature) and C (inoculum amount). The optimal conditions for reduction of HA by P. chrysosporium are pH 6, 31.5°C and an inoculum quantity of 5.86 g. Predicted and experimental results exhibit strong agreement, indicating efficiency in the model obtained by response surface method. Therefore, P. chrysosporium is an effective micro-organism for removal of HA from composted hog waste effluent. </div>
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