Cited by 1,001Thermochemical Biomass Conversion ProcessesSoil Carbon and Nitrogen DynamicsAdsorption and biosorption for pollutant removal

The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.

Production and characterization of slow pyrolysis biochar: influence of feedstock type and pyrolysis conditions

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Ronsse, Frederik, van Hecke, Sven, Dickinson, Dane, Prins, Wolter·2013·GCB Bioenergy

Abstract

Biochar was produced by fixed‐bed slow pyrolysis from various feedstock biomasses under a range of process conditions. Feedstocks used were pine wood, wheat straw, green waste and dried algae. Process conditions varied were the highest treatment temperature (HTT) and residence time. The produced chars were characterized by proximate analysis, CHN‐elemental analysis, pH in solution, bomb calorimetry for higher heating value, N 2 adsorption for BET surface area and two biological degradation assays (oxygen demand, carbon mineralization in soil). In proximate analysis, it was found that the fixed carbon content (expressed in wt% of dry and ash‐free biochar) in the biochar samples strongly depended on the intensity of the thermal treatment (i.e. higher temperatures and longer residence times in the pyrolysis process). The actual yield in fixed carbon (i.e. the biochar fixed carbon content expressed as wt% of the dry and ash‐free original feedstock biomass weight) was practically insensitive to the highest treatment temperature or residence time. The pH in solution, higher heating value and BET surface positively correlated with pyrolysis temperature. Finally, soil incubation tests showed that the addition of biochar to the soil initially marginally reduced the C‐mineralization rate compared against the control soil samples, for which a possible explanation could be that the soil microbial community needs to adapt to the new conditions. This effect was more pronounced when adding chars with high fixed carbon content (resulting from more severe thermal treatment), as chars with low fixed carbon content (produced through mild thermal treatment) had a larger amount of volatile, more easily biodegradable, carbon compounds.

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Research works printed but not linked: 6

  1. ASTM, 2007, D1762–84: Standard Method for Chemical Analysis of Wood Charcoal
  2. Deutsches Institut für Normung, 1975, DIN66132: Bestimmung der spezifischen Oberfläche von Feststoffen durch Stickstoffadsorption (Einpunkt‐Differenzverfahren nach Haul und Dümbgen)
  3. International Biochar Initiative (IBI), 2012, Guidelines for Specifications of Biochars for Use in Soils, Final Version (May 2012)
  4. ISO, 1999, ISO 14851:1999, Determination of the Ultimate Aerobic Biodegradability of Plastic Materials in an Aqueous Medium – Method by Measuring the Oxygen Demand in a Closed Respirometer
  5. Schmidt HP, 2012, Guidelines on the Production of Biochar – Euorpäisches Pflanzenkohle Zertifikat/European Biochar Certificate
  6. Veeken AHM, 2003, OxiTop® Measuring System for Standardised Determination of the Respiration Rate and N‐Mineralisation Rate of Organic Matter in Waste Material, Compost and Soil

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Metadata

Authors
Ronsse, F., van Hecke, S., Dickinson, D., & Prins, W.
Affiliations
  • Ghent University (BE)
  • Biosystems Engineering Ghent University Coupure Links 653 Gent B‐9000 Belgium
Corresponding author
Ronsse, Frederik
Venue
GCB Bioenergy
Publisher
Wiley
Published
2012-10-16
Volume
5
Issue
2
Pages
104-115
ISSN
  • 1757-1693 (ISSN-L)
  • 1757-1707
OpenAlex
W2097457893
Cited by
1,000
References
40
Citations by year
2026: 81 · 2025: 114 · 2024: 101 · 2023: 106 · 2022: 84 · 2021: 127 · 2020: 109 · 2019: 83 · 2018: 53 · 2017: 45 · 2016: 38 · 2015: 30 · 2014: 21 · 2013: 7
FWCI
10.56
Type
journal article
Language
en
Open access
Locations
  • GCB Bioenergy (publishedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion)
Funders
Evonik Industries
Topics
  • Physical Sciences › Energy › Fuel Technology › Thermochemical Biomass Conversion Processes
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
Keywords
biochar, slow pyrolysis, feedstock type, pyrolysis temperature, residence time, pine forest, wheat straw, green waste, fixed carbon, higher heating value, BET surface area, soil carbon mineralization, soil incubation, oxygen requirement, soil pH

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