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Biochar based catalysts for the abatement of emerging pollutants: A review
Open accessAbstract
Biochar has emerged as a new class of biomass-derived functional materials that can be obtained using a plethora of thermochemical conversion techniques. Biochar-based environmental catalysts have potential applications toward a positive, planet-level impact. Here, recent observations in the activated conversions of emerging contaminants are reviewed, highlighting the most influential advancements, including metal-free processes. The status quo of the underlying interaction mechanisms are summarized, revealing the active functional moieties, persistent free radicals, graphitic degree and electron transfer capacity collectively and synergistically regulate the catalytic potency. These remarkable features convey biochar's high activity and flexibility into viable chemo-redox, photo-, bio-, sono-, and electrocatalysis. Advanced coupling processes and some perspectives on future possibilities are proposed at the end.
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“Owing to its controllable and tailorable electrical conductivity and inherent functional groups, biochar could be easily designed to have photonic, electronic, acoustic, and bio/redox interactions with other reactive substances, making it a viable alternative to replace unsustainable solid C-based catalysts.250, 251, 252, 253, 254”
From Technologies and perspectives for achieving carbon neutrality (2021) · cites this paper as [250]
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Metadata
- Authors
- Do Minh, T., Song, J., Deb, A., Cha, L., Srivastava, V., & Sillanpää, M.
- Affiliations
- Lappeenranta-Lahti University of Technology (FI)
- Duy Tan University (VN)
- Corresponding author
- Sillanpää, Mika
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2020-08
- Volume
- 394
- Pages
- 124856
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W3014055492
- Cited by
- 231
- References
- 279
- Citations by year
- 2026: 17 · 2025: 34 · 2024: 37 · 2023: 45 · 2022: 44 · 2021: 41 · 2020: 13
- FWCI
- 10.96
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Chemical Engineering Journal (publishedVersion, cc-by-nc-nd)
- Funders
- Maa- ja Vesitekniikan Tuki Ry
- Regional Council of South Savo
- European Regional Development Fund
- China Scholarship Council
- Topics
- Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
- Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
- Physical Sciences › Environmental Science › Environmental Engineering › Environmental remediation with nanomaterials
- Keywords
- biochar, emerging contaminants, pollution reduction, biomass-derived materials, metal-free catalysis, persistent free radicals, electron transfer, photocatalysis, electrocatalysis, sonochemistry, bio-based catalyst
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