Cited by 1,357Adsorption and biosorption for pollutant removalEnvironmental remediation with nanomaterialsThermochemical Biomass Conversion Processes

Effects of pyrolysis temperature on soybean stover-and peanut shell-derived biochar properties and TCE adsorption in water

Ahmad, Mahtab, Lee, Sang Soo, Dou, Xiaomin, Mohan, Dinesh, Sung, Jwa-Kyung, Yang, Jae E, Ok, Yong Sik·2012·Bioresource Technology

Abstract

Conversion of crop residues into biochars (BCs) via pyrolysis is beneficial to environment compared to their direct combustion in agricultural field. Biochars developed from soybean stover at 300 and 700 °C (S-BC300 and S-BC700, respectively) and peanut shells at 300 and 700 °C (P-BC300 and P-BC700, respectively) were used for the removal of trichloroethylene (TCE) from water. Batch adsorption experiments showed that the TCE adsorption was strongly dependent on the BCs properties. Linear relationships were obtained between sorption parameters (K(M) and S(M)) and molar elemental ratios as well as surface area of the BCs. The high adsorption capacity of BCs produced at 700 °C was attributed to their high aromaticity and low polarity. The efficacy of S-BC700 and P-BC700 for removing TCE from water was comparable to that of activated carbon (AC). Pyrolysis temperature influencing the BC properties was a critical factor to assess the removal efficiency of TCE from water.

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Crossref · 10.1016/j.biortech.2012.05.042

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Authors
Ahmad, M., Lee, S. S., Dou, X., Mohan, D., Sung, J.-K., Yang, J. E., & Ok, Y. S.
Affiliations
  • Kangwon National University (KR)
  • Beijing Forestry University (CN)
  • Jawaharlal Nehru University (IN)
  • National Academy of Agricultural Science (KR)
Corresponding author
Ok, Yong Sik
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2012-08
Volume
118
Pages
536-544
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2031493035
Cited by
1,357
References
37
Citations by year
2026: 76 · 2025: 119 · 2024: 133 · 2023: 122 · 2022: 152 · 2021: 161 · 2020: 135 · 2019: 101 · 2018: 86 · 2017: 89 · 2016: 58 · 2015: 71 · 2014: 31 · 2013: 19 · 2012: 3
FWCI
35.96
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Environment, Republic of Korea (173-092-010)
  • National Research Foundation of Korea (2009-0071439)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
  • Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
Keywords
biochar, pyrolysis temperature, peanut shell, trichloroethylene, water treatment, adsorption isotherms, biochar surface area, aromaticity, activated carbon comparison
MeSH terms
Adsorption, Biodegradation, Environmental, Charcoal, Elements, Hydrogen-Ion Concentration, Kinetics, Arachis, Glycine max, Surface Properties, Temperature, Trichloroethylene, Waste Products, Water, Water Pollutants, Chemical, Water Purification

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