Publication | Closed Access
N<sub>2</sub>O and CH<sub>4</sub> emission from soil amended with steam‐activated biochar
45
Citations
14
References
2014
Year
EngineeringBioenergySoil Organic MatterSteam‐activated BiocharO EmissionBiomass PyrolysisEnvironmental ChemistryBiocharChemical EngineeringBiomass ConversionBiochar GradesBioremediationBiomassSoil BioremediationHealth SciencesBiomass UtilizationBiogeochemistryWood BiocharPyrolysis ProcessEnvironmental EngineeringSoil ChemistryEnvironmental RemediationBiomass Characterization
Abstract Steam‐activation increased CH 4 emission of stover biochar but decreased it for wood biochar by 14% – 70%. Biochar generally increased CH 4 emission but reduced N 2 O emission by 10%–41%. Emission of N 2 O was 17% lower for maize‐stover biochar compared to Eucalyptus ‐wood biochar, and 3% lower for 350°C compared to 550°C pyrolysis temperature. Emission of CH 4 was 21% higher for activated stover biochar compared to Eucalyptus ‐wood biochar and 10% lower for 350°C compared to 550°C pyrolysis temperature. No difference in net CO 2 equivalent was observed among biochar grades.
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