The DOI matches its Crossref record; 134 of the 134 references it cites were found in a registry or an index.
Recent advancements in biochar preparation, feedstocks, modification, characterization and future applications
Abstract
Biochar is a stable carbon-rich product synthesized from biological materials through different heating techniques. The main aim of this review is to evaluate various biochar production methods, parameters affecting the production of biochar, facilities to investigate the composition and structure of biochar, mechanism associated with production of biochar as well as various modification procedures to suit biochar for different applications. Various methods used to synthesize biochar include pyrolysis, torrefaction, gasification, hydrothermal and flash carbonization. Several factors such as feedstock composition and type, pyrolysis conditions such as temperature and time strongly influences the property of synthesized biochar. The physico-chemical properties of biochar strongly influence the role of biochar in several applications such as fuel cells, biosorption, agriculture, supercapacitors, catalyst/support and environmental remediation. It was identified through research efforts that the properties of biochar can be altered using various chemical or physical agents to suit various applications. Thus, the present review consolidates recent advancements in biochar research with special attention towards contaminant remediation and agricultural applications.
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“The surface areas of biochar by steam-modification were increased, which was attributed to corrosion of the biochar surface and the release of additional syngas (mainly in the form of hydrogen) (Vijayaraghavan 2019).”
From Modified biochar: synthesis and mechanism for removal of environmental heavy metals (2022) · cites this paper as Vijayaraghavan 2019
Citations
Cites
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Cited by
Sorted by citations
Modified biochar: synthesis and mechanism for removal of environmental heavy metals
Liu, Z., Xu, Z., Xu, L., Buyong, F., Chay, T. C., Li, Z., Cai, Y., Hu, B., Zhu, Y., & Wang, X. (2022) · Carbon Research · doi:10.1007/s44246-022-00007-3 · Cited by 426
Influence of activation conditions on the physicochemical properties of activated biochar: a review
Panwar, N. L., & Pawar, A. (2022) · Biomass Conversion and Biorefinery · doi:10.1007/s13399-020-00870-3 · Cited by 369
Biochar for removal of dyes in contaminated water: an overview
Saravanan, P., Jegan, J., Pushpa, T. B., Ravindiran, G., & Bulgariu, L. (2022) · Biochar · doi:10.1007/s42773-022-00131-8 · Cited by 312
Conversion of sewage sludge into biochar: A potential resource in water and wastewater treatment
Gopinath, A., Divyapriya, G., Srivastava, V., Laiju, A. R., Nidheesh, P. V., & Kumar, M. S. (2021) · Environmental Research · doi:10.1016/j.envres.2020.110656 · Cited by 281
Industrial biochar systems for atmospheric carbon removal: a review
Fawzy, S., Osman, A. I., Yang, H., Doran, J., & Rooney, D. W. (2021) · Environmental Chemistry Letters · doi:10.1007/s10311-021-01210-1 · Cited by 220
Metadata
- Authors
- Vijayaraghavan, K.
- Affiliations
- Indian Institute of Technology Madras (IN)
- Corresponding author
- Vijayaraghavan, K.
- ORCID
- Vijayaraghavan, K.
- Venue
- Environmental Technology Reviews
- Publisher
- Informa UK Limited
- Published
- 2019-01-01
- Volume
- 8
- Issue
- 1
- Pages
- 47-64
- ISSN
- 2162-2515 (ISSN-L)
- 2162-2523
- OpenAlex
- W2951574994
- Cited by
- 146
- References
- 134
- Citations by year
- 2026: 23 · 2025: 20 · 2024: 25 · 2023: 25 · 2022: 25 · 2021: 17 · 2020: 9 · 2019: 2
- FWCI
- 4.67
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Environmental Technology Reviews (publishedVersion)
- National University of Singapore (submittedVersion)
- Topics
- Physical Sciences › Energy › Fuel Technology › 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, biochar production, pyrolysis, torrefaction, gasification, hydrothermal carbonization, feedstock composition, pyrolysis conditions, biochar modification, physicochemical properties, biosorption, contaminant remediation, agricultural applications, supercapacitors, catalyst supports, fuel cells
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