Cited by 250Adsorption and biosorption for pollutant removalEnvironmental remediation with nanomaterialsPharmaceutical and Antibiotic Environmental Impacts

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A novel Biochar modified by Chitosan-Fe/S for tetracycline adsorption and studies on site energy distribution

Liu, Juanli, Zhou, Baiqin, Zhang, Hong, Ma, Juan, Mu, Bin, Zhang, Wenbo·2019·Bioresource Technology

DOI 10.1016/j.biortech.2019.122152

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Abstract

A novel wasted sludge-based Biochar modified by Chitosan and Fe/S (BCFe/S) was prepared for tetracycline (TC) removal from water. To investigate the similarities and differences in adsorption behaviors between Biochar and BCFe/S, characterization, kinetics, isotherms and thermodynamics were discussed. The studies on site energy distribution (SED) were also presented. The results showed that the maximum TC adsorption amount was 51.78 mg/g for Biochar, while it was 183.01 mg/g for BCFe/S-4. Meanwhile, electrostatic attraction, π-π stacking, pore filling, silicate bonding and hydrogen bonding were the main adsorption mechanisms for TC removal by Biochar. Besides above mechanisms, chelating and ion exchange were also accounted for adsorption mechanisms for TC uptake by BCFe/S-4. Moreover, SED results revealed that the surface of Biochar was more homogeneous while the surface of BCFe/S-4 was more heterogeneous at higher temperature. Findings of this work could offer valuable information in designing adsorbents and investigating adsorption mechanisms.

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Authors: Liu, J., Zhou, B., Zhang, H., Ma, J., Mu, B., & Zhang, W.
Affiliations: Northwest Minzu University (CN)
Lanzhou Jiaotong University (CN)
Corresponding author: Zhang, Wenbo
ORCID: Liu, Juanli
Zhou, Baiqin
Zhang, Hong
Ma, Juan
Mu, Bin
Zhang, Wenbo
Venue: Bioresource Technology
Publisher: Elsevier BV
Published: 2019-12
Volume: 294
Pages: 122152
ISSN: 0960-8524 (ISSN-L)
DOI: 10.1016/j.biortech.2019.122152
OpenAlex: W2974565486
Semantic Scholar: e04deaf76989fb7fa3e392e5b5cb341fb63a132c
Cited by: 250
References: 40
Citations by year: 2026: 20 · 2025: 31 · 2024: 47 · 2023: 47 · 2022: 49 · 2021: 38 · 2020: 18
FWCI: 9.50
Type: journal article
Language: en
Open access: closed
Licence: www.elsevier.com/tdm/userlicense/1.0/ (tdm)
www.elsevier.com/legal/tdmrep-license (tdm)
Locations: Bioresource Technology (publishedVersion)
PubMed (publishedVersion)
Funders: Natural Science Foundation of China (51562033)
Natural Science Foundation of Gansu Province (18JR3RA370)
Fundamental Research Funds for the Central Universities (31920180049, 31920190074)
Lanzhou Institute of Chemical Physics
Chinese Academy of Sciences (CMAR-2017-5)
Topics: Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
Physical Sciences › Environmental Science › Environmental Engineering › Environmental remediation with nanomaterials
Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
Keywords: biochar, chitosan, tetracycline adsorption, wastewater treatment, site energy distribution, adsorption mechanism, electrostatic attraction, π-π stacking, chelation, ion exchange, sludge-based adsorbent, adsorption kinetics, adsorption isotherms, adsorption thermodynamics
MeSH terms: Adsorption, Charcoal, Kinetics, Tetracycline, Water Pollutants, Chemical, Chitosan

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A novel Biochar modified by Chitosan-Fe/S for tetracycline adsorption and studies on site energy distribution

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