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Harnessing Digestate Potential: Impact of Biochar and Reagent Addition on Biomethane Production in Anaerobic Digestion Systems.

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Title: Harnessing Digestate Potential: Impact of Biochar and Reagent Addition on Biomethane Production in Anaerobic Digestion Systems.
Authors: Salma, Alaa, Binti Faeruz, Nur Maisarah, Fryda, Lydia, Djelal, Hayet
Source: Processes; Aug2023, Vol. 11 Issue 8, p2284, 12p
Subject Terms: ANAEROBIC digestion, POULTRY manure, BIOGAS production, CATTLE manure, IRON powder, ACTIVATED carbon, FERRIC chloride, BIOCHAR
Abstract: This article reports on an experiment that aimed to investigate the effects of digestate and cosubstrate input with varying biochar concentrations on methane production in anaerobic digestion processes. The findings revealed distinct trends in methane production among the substrates. Further investigations were conducted to evaluate the effects of different types of biochars on biomethane production from raw cattle manure digestate. Four conditions were tested: one raw digestate condition and three digestate conditions containing 1% of a different biochar type to one another. BC1 (PEFC-certified spruce BC) and BC2 (oak wood BC) showed promising results in enhancing biomethane production. About 884.23 NmL of methane was produced, with a yield and productivity of 22.80 NmL.g−1 and 1.62 NmL.g−1.day−1 with BC1. However, BC3 (cow and chicken manure digestate BC) demonstrated lower biomethane production compared to raw digestate. Additionally, the study explored the effects of adding reagents to digestate. Hematite and iron chloride salt did not show any positive effects on biomethane production when biochar was introduced, while activated carbon powder significantly improved biomethane production rates by approximately 11.18%. [ABSTRACT FROM AUTHOR]
Copyright of Processes is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. 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.)
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Harnessing Digestate Potential: Impact of Biochar and Reagent Addition on Biomethane Production in Anaerobic Digestion Systems.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Salma%2C+Alaa%22">Salma, Alaa</searchLink><br /><searchLink fieldCode="AR" term="%22Binti+Faeruz%2C+Nur+Maisarah%22">Binti Faeruz, Nur Maisarah</searchLink><br /><searchLink fieldCode="AR" term="%22Fryda%2C+Lydia%22">Fryda, Lydia</searchLink><br /><searchLink fieldCode="AR" term="%22Djelal%2C+Hayet%22">Djelal, Hayet</searchLink>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: Processes; Aug2023, Vol. 11 Issue 8, p2284, 12p
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22ANAEROBIC+digestion%22">ANAEROBIC digestion</searchLink><br /><searchLink fieldCode="DE" term="%22POULTRY+manure%22">POULTRY manure</searchLink><br /><searchLink fieldCode="DE" term="%22BIOGAS+production%22">BIOGAS production</searchLink><br /><searchLink fieldCode="DE" term="%22CATTLE+manure%22">CATTLE manure</searchLink><br /><searchLink fieldCode="DE" term="%22IRON+powder%22">IRON powder</searchLink><br /><searchLink fieldCode="DE" term="%22ACTIVATED+carbon%22">ACTIVATED carbon</searchLink><br /><searchLink fieldCode="DE" term="%22FERRIC+chloride%22">FERRIC chloride</searchLink><br /><searchLink fieldCode="DE" term="%22BIOCHAR%22">BIOCHAR</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This article reports on an experiment that aimed to investigate the effects of digestate and cosubstrate input with varying biochar concentrations on methane production in anaerobic digestion processes. The findings revealed distinct trends in methane production among the substrates. Further investigations were conducted to evaluate the effects of different types of biochars on biomethane production from raw cattle manure digestate. Four conditions were tested: one raw digestate condition and three digestate conditions containing 1% of a different biochar type to one another. BC1 (PEFC-certified spruce BC) and BC2 (oak wood BC) showed promising results in enhancing biomethane production. About 884.23 NmL of methane was produced, with a yield and productivity of 22.80 NmL.g<superscript>−1</superscript> and 1.62 NmL.g<superscript>−1</superscript>.day<superscript>−1</superscript> with BC1. However, BC3 (cow and chicken manure digestate BC) demonstrated lower biomethane production compared to raw digestate. Additionally, the study explored the effects of adding reagents to digestate. Hematite and iron chloride salt did not show any positive effects on biomethane production when biochar was introduced, while activated carbon powder significantly improved biomethane production rates by approximately 11.18%. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Processes is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. 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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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.3390/pr11082284
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 2284
    Subjects:
      – SubjectFull: ANAEROBIC digestion
        Type: general
      – SubjectFull: POULTRY manure
        Type: general
      – SubjectFull: BIOGAS production
        Type: general
      – SubjectFull: CATTLE manure
        Type: general
      – SubjectFull: IRON powder
        Type: general
      – SubjectFull: ACTIVATED carbon
        Type: general
      – SubjectFull: FERRIC chloride
        Type: general
      – SubjectFull: BIOCHAR
        Type: general
    Titles:
      – TitleFull: Harnessing Digestate Potential: Impact of Biochar and Reagent Addition on Biomethane Production in Anaerobic Digestion Systems.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Salma, Alaa
      – PersonEntity:
          Name:
            NameFull: Binti Faeruz, Nur Maisarah
      – PersonEntity:
          Name:
            NameFull: Fryda, Lydia
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            NameFull: Djelal, Hayet
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            – D: 01
              M: 08
              Text: Aug2023
              Type: published
              Y: 2023
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              Value: 11
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            – TitleFull: Processes
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