Study of biological and thermo-chemical pretreatment of organic fraction of municipal solid waste for enhanced biogas yield.
Identifieur interne : 000010 ( Main/Exploration ); précédent : 000009; suivant : 000011Study of biological and thermo-chemical pretreatment of organic fraction of municipal solid waste for enhanced biogas yield.
Auteurs : Renu Bala [Inde] ; Monoj Kumar Mondal [Inde]Source :
- Environmental science and pollution research international [ 1614-7499 ] ; 2020.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Biocarburants, Déchets solides.
- Aliments, Anaérobiose, Bioréacteurs, Méthane, Élimination des déchets.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Biofuels, Solid Waste.
- Anaerobiosis, Bioreactors, Food, Methane, Refuse Disposal.
Abstract
Biogas production from organic fraction of municipal solid waste (OFMSW) not only helps in solid waste management but also combat the food vs fuel dilemma. The presence of lignocellulosic material and other complex compounds in OFMSW hinder biogas production. Therefore, pretreatment is an essential step to increase the hydrolysis rate by converting complex compounds to simpler ones. This work was aimed at effective pretreatment of OFMSW by biological and thermo-chemical means. For biological pretreatment lignin degrading fungal strains, Phanerochaete chrysosporium and Pleurotus ostreatus were employed. Thermo-chemical treatment resulted in higher solubilisation yield in terms of sCOD and VFA making it a more effective method as compared with biological pretreatment. The optimisation of thermo-chemical pretreatment was done by the Box-Behnken design of response surface methodology (RSM). The interactive effect of influencing factors NaOH dose, temperature and time were studied on the response of sCOD, VFA and phenolic content. The sCOD and VFA values were significantly increased by increasing the NaOH concentration, temperature and time to a certain limit. The optimised condition from RSM for maximum solubilisation yield in terms of sCOD, VFA and phenolic content was found to be NaOH dose of 4.72 g/L, temperature 180 °C and time 30.3 min. Biogas production was increased by 169.5% after pretreatment at RSM optimised conditions as compared with untreated OFMSW.
DOI: 10.1007/s11356-019-05695-w
PubMed: 31254194
Affiliations:
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wicri:level="1"><nlm:affiliation>Department of Chemical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, 221005, India. mkmondal13@yahoo.com.</nlm:affiliation><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Chemical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, 221005</wicri:regionArea><wicri:noRegion>221005</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2020">2020</date><idno type="RBID">pubmed:31254194</idno><idno type="pmid">31254194</idno><idno type="doi">10.1007/s11356-019-05695-w</idno><idno type="wicri:Area/Main/Corpus">000059</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000059</idno><idno type="wicri:Area/Main/Curation">000059</idno><idno type="wicri:explorRef" wicri:stream="Main" 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déchets</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Biogas production from organic fraction of municipal solid waste (OFMSW) not only helps in solid waste management but also combat the food vs fuel dilemma. The presence of lignocellulosic material and other complex compounds in OFMSW hinder biogas production. Therefore, pretreatment is an essential step to increase the hydrolysis rate by converting complex compounds to simpler ones. This work was aimed at effective pretreatment of OFMSW by biological and thermo-chemical means. For biological pretreatment lignin degrading fungal strains, Phanerochaete chrysosporium and Pleurotus ostreatus were employed. Thermo-chemical treatment resulted in higher solubilisation yield in terms of sCOD and VFA making it a more effective method as compared with biological pretreatment. The optimisation of thermo-chemical pretreatment was done by the Box-Behnken design of response surface methodology (RSM). The interactive effect of influencing factors NaOH dose, temperature and time were studied on the response of sCOD, VFA and phenolic content. The sCOD and VFA values were significantly increased by increasing the NaOH concentration, temperature and time to a certain limit. The optimised condition from RSM for maximum solubilisation yield in terms of sCOD, VFA and phenolic content was found to be NaOH dose of 4.72 g/L, temperature 180 °C and time 30.3 min. Biogas production was increased by 169.5% after pretreatment at RSM optimised conditions as compared with untreated OFMSW.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">31254194</PMID><DateCompleted><Year>2020</Year><Month>07</Month><Day>10</Day></DateCompleted><DateRevised><Year>2020</Year><Month>07</Month><Day>10</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1614-7499</ISSN><JournalIssue CitedMedium="Internet"><Volume>27</Volume><Issue>22</Issue><PubDate><Year>2020</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Environmental science and pollution research international</Title><ISOAbbreviation>Environ Sci Pollut Res Int</ISOAbbreviation></Journal><ArticleTitle>Study of biological and thermo-chemical pretreatment of organic fraction of municipal solid waste for enhanced biogas yield.</ArticleTitle><Pagination><MedlinePgn>27293-27304</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s11356-019-05695-w</ELocationID><Abstract><AbstractText>Biogas production from organic fraction of municipal solid waste (OFMSW) not only helps in solid waste management but also combat the food vs fuel dilemma. The presence of lignocellulosic material and other complex compounds in OFMSW hinder biogas production. Therefore, pretreatment is an essential step to increase the hydrolysis rate by converting complex compounds to simpler ones. This work was aimed at effective pretreatment of OFMSW by biological and thermo-chemical means. For biological pretreatment lignin degrading fungal strains, Phanerochaete chrysosporium and Pleurotus ostreatus were employed. Thermo-chemical treatment resulted in higher solubilisation yield in terms of sCOD and VFA making it a more effective method as compared with biological pretreatment. The optimisation of thermo-chemical pretreatment was done by the Box-Behnken design of response surface methodology (RSM). The interactive effect of influencing factors NaOH dose, temperature and time were studied on the response of sCOD, VFA and phenolic content. The sCOD and VFA values were significantly increased by increasing the NaOH concentration, temperature and time to a certain limit. The optimised condition from RSM for maximum solubilisation yield in terms of sCOD, VFA and phenolic content was found to be NaOH dose of 4.72 g/L, temperature 180 °C and time 30.3 min. 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