Control of hydrogen sulphide in full-scale anaerobic digesters using iron (III) chloride: performance, origin and effects

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dc.contributor.authorErdirencelebi, D.
dc.contributor.authorKucukhemek, M.
dc.date.accessioned2020-03-26T19:53:14Z
dc.date.available2020-03-26T19:53:14Z
dc.date.issued2018
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe study presents the results of sulphide control using iron (III) chloride in full-scale anaerobic digesters (ADs) at a large-scale municipal wastewater treatment plant (WWTP). Iron (III) (`ferric') chloride was applied at a range of 24-105 mg FeCl3/L with and without alkali solution using different strategies. Introduction points were implemented at the feeding line and the sludge thickener unit. Response of the ADs in terms of biogas H2S reduction over time, solid loading rates (SLR), feed sludge flow rate and pH level were investigated. Reduction of H2S in the biogas reached 4 035 mu g/L in directly-dosed AD versus a 1 345 mu g/L drop in non-dosed ADs, as a result of internal recirculation among the digesters, where actual values were possibly higher as volatile solid (VS) degradation increased in all ADs during the dosing period. No noticeable effect on biogas production and pH was observed. The degree of H2S production was found to be correlated to the volatile SLR, where primary sludge solids contributed mostly to the organic and proteinaceous content of the thickened sludge and presented a high variation and a strong relationship with H2S production. Correlation analysis based on data for the 17-month period that followed supported the significant role of primary SLR in H2S production.en_US
dc.identifier.doi10.4314/wsa.v44i2.04en_US
dc.identifier.endpage183en_US
dc.identifier.issn0378-4738en_US
dc.identifier.issn1816-7950en_US
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage176en_US
dc.identifier.urihttps://dx.doi.org/10.4314/wsa.v44i2.04
dc.identifier.urihttps://hdl.handle.net/20.500.12395/36444
dc.identifier.volume44en_US
dc.identifier.wosWOS:000434082400004en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWATER RESEARCH COMMISSIONen_US
dc.relation.ispartofWATER SAen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectbiogasen_US
dc.subjecthydrogen sulphideen_US
dc.subjectanaerobic digesteren_US
dc.subjectcontrolen_US
dc.subjectsolidsen_US
dc.subjectfull-scaleen_US
dc.titleControl of hydrogen sulphide in full-scale anaerobic digesters using iron (III) chloride: performance, origin and effectsen_US
dc.typeArticleen_US

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