Cited by 696Thermochemical Biomass Conversion ProcessesAdsorption and biosorption for pollutant removalSoil Carbon and Nitrogen Dynamics

Influence of pyrolysis temperature on physicochemical properties of biochar obtained from the fast pyrolysis of pitch pine (Pinus rigida)

Kim, Kwang Ho, Kim, Jae-Young, Cho, Tae-Su, Choi, Joon Weon·2012·Bioresource Technology

Abstract

The aim of this study was to investigate the influence of pyrolysis temperature on the physicochemical properties and structure of biochar. Biochar was produced by fast pyrolysis of pitch pine (Pinus rigida) using a fluidized bed reactor at different pyrolysis temperatures (300, 400 and 500 °C). The produced biochars were characterized by elemental analysis, Brunauer-Emmett-Teller (BET) surface area, particle size distributions, field-emission scanning electron microscopy (FE-SEM), Fourier transform infrared (FTIR) spectroscopy, solid-state (13)C nuclear magnetic resonance (NMR) and X-ray diffraction (XRD). The yield of biochar decreased sharply from 60.7% to 14.4%, based on the oven-dried biomass weight, when the pyrolysis temperature rose from 300 °C to 500 °C. In addition, biochars were further carbonized with an increase in pyrolysis temperature and the char's remaining carbons were rearranged in stable form. The experimental results suggested that the biochar obtained at 400 and 500 °C was composed of a highly ordered aromatic carbon structure.

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Crossref · 10.1016/j.biortech.2012.04.094

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Authors
Kim, K. H., Kim, J.-Y., Cho, T.-S., & Choi, J. W.
Affiliations
Seoul National University (KR)
Corresponding author
Choi, Joon Weon
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2012-08
Volume
118
Pages
158-162
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2009254120
Cited by
696
References
31
Citations by year
2026: 47 · 2025: 54 · 2024: 67 · 2023: 70 · 2022: 68 · 2021: 60 · 2020: 70 · 2019: 67 · 2018: 39 · 2017: 40 · 2016: 41 · 2015: 31 · 2014: 19 · 2013: 21 · 2012: 2
FWCI
13.30
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
  • Seoul National University Open Repository (Seoul National University) (submittedVersion)
Funders
Cooperative Research Program for Agriculture Science & Technology Development (PJ007965)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
Keywords
biochar, fast pyrolysis, pyrolysis temperature, pitch pine, Pinus rigida, physicochemical properties, biochar yield, carbonization, biomass conversion, fluidized bed reactor
MeSH terms
Biotechnology, Charcoal, Elements, Magnetic Resonance Spectroscopy, Particle Size, Temperature, Thermogravimetry, X-Ray Diffraction, Spectroscopy, Fourier Transform Infrared, Pinus, Chemical Phenomena

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