Cited by 100Adsorption and biosorption for pollutant removalPharmaceutical and Antibiotic Environmental ImpactsEnvironmental remediation with nanomaterials

Removal of tetracycline from aqueous solution by biochar derived from rice straw

Fan, Shisuo, Wang, Yi, Li, Yang, Wang, Zhen, Xie, Zhengxin, Tang, Jun·2018·Environmental Science and Pollution Research

Abstract

Antibiotic pollution has drawn considerable attention and the removal of antibiotic from water is crucial. In the present study, biochars were produced from rice straw under different pyrolytic temperatures of 300 °C, 500 °C, and 700 °C (RSBC300, RSBC500, and RSBC700, respectively). The biochars were used to remove tetracycline (TC) from aqueous solution and the influence of different experimental conditions on TC removal was investigated. The results showed that the order of adsorption was as follows: RSBC700 > RSBC500 > RSBC300. A pseudo-second-order model and Langmuir isotherm model described the adsorption process of TC on biochars. Maximum adsorption capacity could reach 50.72 mg g-1 at 35 °C based on Langmuir fitting. Initial pH of the solution had little influence on TC removal. The inhibitory effect of Ca 2+ on TC removal was greater than that of Na+. High system temperature was beneficial for TC removal. Minerals in RSBC500 affected TC removal and minerals in RSBC300 and RSBC700 had little influence on TC removal. TC removal rate decreased from 58.86 to 27.84% when the minerals were removed from RSBC500. The main mechanism involved in high-temperature biochar and TC adsorption included EDA π-π interactions and electrostatic interactions. Therefore, high-temperature biochar derived from rice straw has the potential to act as an adsorbent to remove tetracycline from aqueous solution.

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Crossref · 10.1007/s11356-018-2976-0

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  • Fan et al. (2018) biochar from rice straw pyrolyzed at higher temperature had a maximum adsorption capacity of 50.72 mg/g for tetracycline due to its large specific surface area, abundant aromatic structure, and rich graphite carbon.

    “The BC obtained at a higher temperature could possess the maximum adsorption capacity of 50.72 mg/g due to its large specific surface area, abundant aromatic structure and rich graphite carbon.”

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Authors
Fan, S., Wang, Y., Li, Y., Wang, Z., Xie, Z., & Tang, J.
Affiliations
  • Anhui Agricultural University (CN)
  • Guangdong University of Technology (CN)
Corresponding author
Fan, Shisuo
Venue
Environmental Science and Pollution Research
Published
2018-08-22
Volume
25
Issue
29
Pages
29529-29540
ISSN
  • 0944-1344 (ISSN-L)
  • 1614-7499
OpenAlex
W2888394300
Cited by
100
References
64
Citations by year
2026: 9 · 2025: 13 · 2024: 14 · 2023: 22 · 2022: 18 · 2021: 9 · 2020: 8 · 2019: 6 · 2018: 1
FWCI
2.63
Type
journal article
Language
en
Open access
closed
Locations
  • Environmental Science and Pollution Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Natural Science Foundation of the Education Department of Anhui Province ((KJ2018A0125)
  • The Open Fund of State Key Laboratory of Tea Plant Biology and Utilization (SKLTOF20170117)
  • National Natural Science Foundation of China (No. 51609001)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
Keywords
tetracycline, biochar, rice straw, adsorption, antibiotic removal, pyrolysis temperature, Langmuir isotherm, pseudo-second-order kinetics, cation interference, π-π stacking, electrostatic interactions, wastewater treatment
MeSH terms
Adsorption, Charcoal, Hot Temperature, Kinetics, Oryza, Solutions, Tetracycline, Water Pollutants, Chemical, Water Purification, Plant Stems

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