Cited by 231Adsorption and biosorption for pollutant removalAdvanced oxidation water treatmentEnvironmental remediation with nanomaterials

Biochar based catalysts for the abatement of emerging pollutants: a review

Open access
Do Minh, Tam, Song, Jianzhi, Deb, Anjan, Cha, Ligen, Srivastava, Varsha, Sillanpää, Mika·2020·Chemical Engineering Journal

Abstract

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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Crossref · 10.1016/j.cej.2020.124856

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278 of 278 references verified0 citation errors · 0 not checkable

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  • Owing to its controllable and tailorable electrical conductivity and inherent functional groups, biochar could be designed to have photonic, electronic, acoustic, and bio/redox interactions, making it a viable alternative to replace unsustainable solid C-based catalysts.

    “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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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
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 › Engineering › Biomedical 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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