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Effects of trace element addition on process stability during anaerobic co-digestion of OFMSW and slaughterhouse waste.

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Title: Effects of trace element addition on process stability during anaerobic co-digestion of OFMSW and slaughterhouse waste.
Authors: Moestedt, J.1,2,3 jan.moetstedt@tekniskaverken.se, Nordell, E.1,2, Shakeri Yekta, S.2,4, Lundgren, J.1,2, Martí, M.2,4, Sundberg, C.2,4, Ejlertsson, J.2,4,5, Svensson, B.H.2,4, Björn, A.2,4
Source: Waste Management. Jan2016 Part A, Vol. 47, p11-20. 10p.
Subjects: Anaerobic digestion, Trace elements, Biogas production, Slaughtering, Microbial products
Abstract: This study used semi-continuous laboratory scale biogas reactors to simulate the effects of trace-element addition in different combinations, while degrading the organic fraction of municipal solid waste and slaughterhouse waste. The results show that the combined addition of Fe, Co and Ni was superior to the addition of only Fe, Fe and Co or Fe and Ni. However, the addition of only Fe resulted in a more stable process than the combined addition of Fe and Co, perhaps indicating a too efficient acidogenesis and/or homoacetogenesis in relation to a Ni-deprived methanogenic population. The results were observed in terms of higher biogas production (+9%), biogas production rates (+35%) and reduced VFA concentration for combined addition compared to only Fe and Ni. The higher stability was supported by observations of differences in viscosity, intraday VFA- and biogas kinetics as well as by the 16S rRNA gene and 16S rRNA of the methanogens. [ABSTRACT FROM AUTHOR]
Copyright of Waste Management is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 111321717
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Effects of trace element addition on process stability during anaerobic co-digestion of OFMSW and slaughterhouse waste.
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  Data: <searchLink fieldCode="AR" term="%22Moestedt%2C+J%2E%22">Moestedt, J.</searchLink><relatesTo>1,2,3</relatesTo><i> jan.moetstedt@tekniskaverken.se</i><br /><searchLink fieldCode="AR" term="%22Nordell%2C+E%2E%22">Nordell, E.</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Shakeri+Yekta%2C+S%2E%22">Shakeri Yekta, S.</searchLink><relatesTo>2,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Lundgren%2C+J%2E%22">Lundgren, J.</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Martí%2C+M%2E%22">Martí, M.</searchLink><relatesTo>2,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Sundberg%2C+C%2E%22">Sundberg, C.</searchLink><relatesTo>2,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Ejlertsson%2C+J%2E%22">Ejlertsson, J.</searchLink><relatesTo>2,4,5</relatesTo><br /><searchLink fieldCode="AR" term="%22Svensson%2C+B%2EH%2E%22">Svensson, B.H.</searchLink><relatesTo>2,4</relatesTo><br /><searchLink fieldCode="AR" term="%22Björn%2C+A%2E%22">Björn, A.</searchLink><relatesTo>2,4</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Waste+Management%22">Waste Management</searchLink>. Jan2016 Part A, Vol. 47, p11-20. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Anaerobic+digestion%22">Anaerobic digestion</searchLink><br /><searchLink fieldCode="DE" term="%22Trace+elements%22">Trace elements</searchLink><br /><searchLink fieldCode="DE" term="%22Biogas+production%22">Biogas production</searchLink><br /><searchLink fieldCode="DE" term="%22Slaughtering%22">Slaughtering</searchLink><br /><searchLink fieldCode="DE" term="%22Microbial+products%22">Microbial products</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study used semi-continuous laboratory scale biogas reactors to simulate the effects of trace-element addition in different combinations, while degrading the organic fraction of municipal solid waste and slaughterhouse waste. The results show that the combined addition of Fe, Co and Ni was superior to the addition of only Fe, Fe and Co or Fe and Ni. However, the addition of only Fe resulted in a more stable process than the combined addition of Fe and Co, perhaps indicating a too efficient acidogenesis and/or homoacetogenesis in relation to a Ni-deprived methanogenic population. The results were observed in terms of higher biogas production (+9%), biogas production rates (+35%) and reduced VFA concentration for combined addition compared to only Fe and Ni. The higher stability was supported by observations of differences in viscosity, intraday VFA- and biogas kinetics as well as by the 16S rRNA gene and 16S rRNA of the methanogens. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Waste Management is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.wasman.2015.03.007
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      – Code: eng
        Text: English
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        Type: general
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      – SubjectFull: Biogas production
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      – SubjectFull: Slaughtering
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      – SubjectFull: Microbial products
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      – TitleFull: Effects of trace element addition on process stability during anaerobic co-digestion of OFMSW and slaughterhouse waste.
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              Text: Jan2016 Part A
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              Y: 2016
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