Cited by 643Adsorption and biosorption for pollutant removalThermochemical Biomass Conversion ProcessesEnvironmental remediation with nanomaterials

Modification of bio-char derived from fast pyrolysis of biomass and its application in removal of tetracycline from aqueous solution

Liu, Pei, Liu, Wu-Jun, Jiang, Hong, Chen, Jie-Jie, Li, Wen-Wei, Yu, Han-Qing·2012·Bioresource Technology

Abstract

In this work, bio-char, a mass productive by-product of biomass fast pyrolysis, was adopted as an adsorbent to remove tetracycline (TC) from aqueous solution. To enhance the adsorption capacity, a simple modification of bio-char with acid and alkali was carried out. Bio-char samples were characterized by Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS), and nitrogen adsorption-desorption isotherm. The results show that the alkali treated bio-char possesses larger surface area than those of raw and acid treated bio-chars, and accordingly exhibits a more excellent adsorption performance (58.8 mg/g) than the other two bio-chars and other adsorbents reported previously. The graphite-like structure of bio-char facilitates the formation of π-π interactions between ring structure in tetracycline molecule and graphite-like sheets. The surface area showed significant effects on TC adsorption as well as O-containing functional groups, whereas the initial pH of solution has small effects on TC adsorption under the experimental conditions.

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Crossref · 10.1016/j.biortech.2012.06.085

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  • The effect of pH during biochar removal of tetracycline was negligible, and strong π-π interaction was the main mechanism in this adsorption process.

    “The effect of pH during BC removal of TC was neglect (Liu etal. 2012), and the strong π -π interaction was the main mechanism in this adsorption process.”

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Authors
Liu, P., Liu, W.-J., Jiang, H., Chen, J.-J., Li, W.-W., & Yu, H.-Q.
Affiliations
University of Science and Technology of China (CN)
Corresponding author
Jiang, Hong
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2012-10
Volume
121
Pages
235-240
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2130579737
Cited by
643
References
36
Citations by year
2026: 20 · 2025: 23 · 2024: 64 · 2023: 66 · 2022: 78 · 2021: 74 · 2020: 73 · 2019: 63 · 2018: 41 · 2017: 54 · 2016: 41 · 2015: 23 · 2014: 13 · 2013: 9 · 2012: 1
FWCI
13.34
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China
  • Fundamental Research Funds for the Central Universities
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
Keywords
biochar, tetracycline removal, adsorption, acid and alkali treatment, surface area, π-π stacking, graphite-like structure, antibiotic removal from water, pH effect
MeSH terms
Adsorption, Charcoal, Hot Temperature, Nitrogen, Tetracycline, Water Pollutants, Chemical, Spectroscopy, Fourier Transform Infrared, Water Purification, Biomass, Photoelectron Spectroscopy

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