Pomelo biochar as an electron acceptor to modify graphitic carbon nitride for boosting visible-light-driven photocatalytic degradation of tetracycline

Feng Guo; Chunli Shi; Wei Sun; Yanan Liu; Xue Lin; Weilong Shi

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Pomelo biochar as an electron acceptor to modify graphitic carbon nitride for boosting visible-light-driven photocatalytic degradation of tetracycline

Updated：2026-01-06

- Pomelo biochar as an electron acceptor to modify graphitic carbon nitride for boosting visible-light-driven photocatalytic degradation of tetracycline
- Chinese Journal of Chemical Engineering Vol. 48, Issue 8, Pages: 1-11(2022)
- Affiliations：
  
  1. School of Material Science and Engineering, Beihua University,Jilin,China,132013
  2. School of Energy and Power, Jiangsu University of Science and Technology,Zhenjiang,China,212003
  3. School of Material Science and Engineering, Jiangsu University of Science and Technology,Zhenjiang,China,212003
  4. College of Chemistry, Zhengzhou University,Zhengzhou,China,450001
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2022
- Accepted：
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Feng Guo, Chunli Shi, Wei Sun, Yanan Liu, Xue Lin, Weilong Shi. Pomelo biochar as an electron acceptor to modify graphitic carbon nitride for boosting visible-light-driven photocatalytic degradation of tetracycline[J]. Chinese Journal of Chemical Engineering, 2022, 48(8): 1-11.
DOI：

Feng Guo, Chunli Shi, Wei Sun, Yanan Liu, Xue Lin, Weilong Shi. Pomelo biochar as an electron acceptor to modify graphitic carbon nitride for boosting visible-light-driven photocatalytic degradation of tetracycline[J]. Chinese Journal of Chemical Engineering, 2022, 48(8): 1-11. DOI：

摘要

Abstract

In this study

biochar (BC) derived from pomelo was prepared

via

a high-temperature calcination method to modify the graphitic carbon nitride (g-C

) to synthesize the BC/g-C

composite for the degradation of the tetracycline (TC) antibiotic under visible light irradiation. The experimental results exhibit that the optimal feeding weight ratio of biochar/urea is 0.03:1 in BC/g-C

composite could show the best photocatalytic activity with the degradation rate of tetracycline is 83% in 100?min irradiation. The improvement of photocatalytic activity is mainly attributed to the following two points: (i) the strong bonding with π-π stacking between BC and g-C

make the photogenerated electrons of light-excited g-C

transfer to BC

quickly and improve the separation efficiency of carriers; (ii) the introduction of BC reduces the distance for photogenerated electrons to migrate to the surface and increases the specific surface area for providing more active sites. This study provides a sustainable

economical and promising method for the synthesis of photocatalytic materials their application to wastewater treatment.

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