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Insight into the humification and carbon balance of biogas residual biochar amended co-composting of hog slurry and wheat straw.

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Title: Insight into the humification and carbon balance of biogas residual biochar amended co-composting of hog slurry and wheat straw.
Authors: Liu, Yunpeng1 (AUTHOR), Pan, Junting2 (AUTHOR), Wang, Jingwen1 (AUTHOR), Yang, Xu1 (AUTHOR), Zhang, Wanqiang1 (AUTHOR), Tang, Kuok Ho Daniel3,4 (AUTHOR), Wang, Hailong5 (AUTHOR), Zhang, Xiu6 (AUTHOR), Gao, Runyu1 (AUTHOR), Yang, Guoping6 (AUTHOR), Zhang, Zengqiang1,4 (AUTHOR), Li, Ronghua1,4 (AUTHOR) rh.lee@nwsuaf.edu.cn
Source: Environmental Science & Pollution Research. Aug2025, Vol. 32 Issue 37, p21919-21930. 12p.
Subject Terms: *Humification, *Biochar, *Composting, *Bacterial communities, *Wheat straw, *Swine manure, *Carbon sequestration
Abstract: The impact of biogas residual biochar (BRB) on the humification and carbon balance process of co-composting of hog slurry (HGS) and wheat straw (WTS) was examined. The 50-day humification process was significantly enhanced by the addition of BRB, particular of 5% BRB, as indicated by the relatively higher humic acid content (67.28 g/kg) and humification ratio (2.31) than other treatments. The carbon balance calculation indicated that although BRB addition increased 22.16–46.77% of C lost in form of CO2-C, but the 5% BRB treatment showed relatively higher C fixation and lower C loss than other treatments. In addition, the BRB addition reshaped the bacterial community structure during composting, resulting in increased abundances of Proteobacteria (25.50%) during the thermophilic phase and Bacteroidetes (33.55%) during the maturation phase. Combined these results with biological mechanism analysis, 5% of BRB was likely an optimal addition for promoting compost humification and carbon fixation in practice. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 188450286
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Insight into the humification and carbon balance of biogas residual biochar amended co-composting of hog slurry and wheat straw.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Liu%2C+Yunpeng%22">Liu, Yunpeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pan%2C+Junting%22">Pan, Junting</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Jingwen%22">Wang, Jingwen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Xu%22">Yang, Xu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Wanqiang%22">Zhang, Wanqiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tang%2C+Kuok+Ho+Daniel%22">Tang, Kuok Ho Daniel</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Hailong%22">Wang, Hailong</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xiu%22">Zhang, Xiu</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gao%2C+Runyu%22">Gao, Runyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Guoping%22">Yang, Guoping</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Zengqiang%22">Zhang, Zengqiang</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Ronghua%22">Li, Ronghua</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> rh.lee@nwsuaf.edu.cn</i>
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Environmental+Science+%26+Pollution+Research%22">Environmental Science & Pollution Research</searchLink>. Aug2025, Vol. 32 Issue 37, p21919-21930. 12p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Humification%22">Humification</searchLink><br />*<searchLink fieldCode="DE" term="%22Biochar%22">Biochar</searchLink><br />*<searchLink fieldCode="DE" term="%22Composting%22">Composting</searchLink><br />*<searchLink fieldCode="DE" term="%22Bacterial+communities%22">Bacterial communities</searchLink><br />*<searchLink fieldCode="DE" term="%22Wheat+straw%22">Wheat straw</searchLink><br />*<searchLink fieldCode="DE" term="%22Swine+manure%22">Swine manure</searchLink><br />*<searchLink fieldCode="DE" term="%22Carbon+sequestration%22">Carbon sequestration</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The impact of biogas residual biochar (BRB) on the humification and carbon balance process of co-composting of hog slurry (HGS) and wheat straw (WTS) was examined. The 50-day humification process was significantly enhanced by the addition of BRB, particular of 5% BRB, as indicated by the relatively higher humic acid content (67.28 g/kg) and humification ratio (2.31) than other treatments. The carbon balance calculation indicated that although BRB addition increased 22.16–46.77% of C lost in form of CO2-C, but the 5% BRB treatment showed relatively higher C fixation and lower C loss than other treatments. In addition, the BRB addition reshaped the bacterial community structure during composting, resulting in increased abundances of Proteobacteria (25.50%) during the thermophilic phase and Bacteroidetes (33.55%) during the maturation phase. Combined these results with biological mechanism analysis, 5% of BRB was likely an optimal addition for promoting compost humification and carbon fixation in practice. [ABSTRACT FROM AUTHOR]
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      – Type: doi
        Value: 10.1007/s11356-024-33110-6
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 21919
    Subjects:
      – SubjectFull: Humification
        Type: general
      – SubjectFull: Biochar
        Type: general
      – SubjectFull: Composting
        Type: general
      – SubjectFull: Bacterial communities
        Type: general
      – SubjectFull: Wheat straw
        Type: general
      – SubjectFull: Swine manure
        Type: general
      – SubjectFull: Carbon sequestration
        Type: general
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      – TitleFull: Insight into the humification and carbon balance of biogas residual biochar amended co-composting of hog slurry and wheat straw.
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            – D: 06
              M: 08
              Text: Aug2025
              Type: published
              Y: 2025
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