Cited by 69Adsorption and biosorption for pollutant removalEnvironmental remediation with nanomaterialsThermochemical Biomass Conversion Processes

Biochar in the Remediation of Organic Pollutants in Water: A Review of Polycyclic Aromatic Hydrocarbon and Pesticide Removal

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Beljin, Jelena, Đukanović, Nina, Anojčić, Jasmina, Simetić, Tajana, Apostolović, Tamara, Mutić, Sanja, Maletić, Snežana·2024·Nanomaterials

Abstract

This review explores biochar’s potential as a sustainable and cost-effective solution for remediating organic pollutants, particularly polycyclic aromatic hydrocarbons (PAHs) and pesticides, in water. Biochar, a carbon-rich material produced from biomass pyrolysis, has demonstrated adsorption efficiencies exceeding 90% under optimal conditions, depending on the feedstock type, pyrolysis temperature, and functionalization. High surface area (up to 1500 m2/g), porosity, and modifiable surface functional groups make biochar effective in adsorbing a wide range of contaminants, including toxic metals, organic pollutants, and nutrients. Recent advancements in biochar production, such as chemical activation and post-treatment modifications, have enhanced adsorption capacities, with engineered biochar achieving superior performance in treating industrial, municipal, and agricultural effluents. However, scaling up biochar applications from laboratory research to field-scale wastewater treatment poses significant challenges. These include inconsistencies in adsorption performance under variable environmental conditions, the high cost of large-scale biochar production, logistical challenges in handling and deploying biochar at scale, and the need for integration with existing treatment systems. Such challenges impact the practical implementation of biochar-based remediation technologies, requiring further investigation into cost-effective production methods, long-term performance assessments, and field-level optimization strategies. This review underscores the importance of addressing these barriers and highlights biochar’s potential to offer a sustainable, environmentally friendly, and economically viable solution for large-scale wastewater treatment.

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Authors
Beljin, J., Đukanović, N., Anojčić, J., Simetić, T., Apostolović, T., Mutić, S., & Maletić, S.
Affiliations
University of Novi Sad (RS)
Corresponding author
Beljin, Jelena
Venue
Nanomaterials
Publisher
MDPI AG
Published
2024-12-27
Volume
15
Issue
1
Pages
26
ISSN
2079-4991 (ISSN-L)
OpenAlex
W4405833595
Cited by
69
References
97
Citations by year
2026: 50 · 2025: 19
FWCI
1.80
Type
journal article
Language
en
Open access
Locations
  • Nanomaterials (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Science Fund of the Republic of Serbia (#10810)
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, polycyclic aromatic hydrocarbons, pesticide removal, adsorption, water remediation, biomass pyrolysis, chemical activation, surface functionalization, engineered biochar, wastewater treatment, agricultural effluents, industrial wastewater, municipal wastewater

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