LAPSE:2023.0987
Published Article
LAPSE:2023.0987
Preparation and Application of Coal-Liquefaction-Residue-Based Carbon Material
February 21, 2023
Abstract
P-Nitrophenol (4-NP) is a high toxicity material and has harmful effects on the environment. Thus, the analysis of 4-NP is an important topic at present. In this work, the fabrication of a novel electrochemical sensor based on coal-liquefaction-residue (CLR)-derived porous carbon (PC) materials. CLR-based porous carbon material was prepared by the high-temperature carbonization method and the morphology and structure of the materials were characterized by scanning electron microscopy and other characterization methods. Subsequently, the electrochemical properties of the modified electrodes were studied by cyclic voltammetry (CV) and differential pulse voltammetry (DPV) measurements. The results showed that under optimal conditions, the sensor had a good electrochemical performance for environmental pollutant 4-NP. In particular, the linear range of the sensor was 10−200 μmol·L-1 and the detection limit was 1.169 μmol·L−1 on the basis of the signal-to-noise ratio S/N = 3. The electrode showed excellent stability, reproducibility and repetitiveness and the sensor also had good selectivity. In addition, the newly constructed sensor exhibited adsorption-controlled kinetics and the recovery rate of 4-NP in actual water samples could reach 90.06~95.17%, indicating that the sensor had good practical application prospects.
P-Nitrophenol (4-NP) is a high toxicity material and has harmful effects on the environment. Thus, the analysis of 4-NP is an important topic at present. In this work, the fabrication of a novel electrochemical sensor based on coal-liquefaction-residue (CLR)-derived porous carbon (PC) materials. CLR-based porous carbon material was prepared by the high-temperature carbonization method and the morphology and structure of the materials were characterized by scanning electron microscopy and other characterization methods. Subsequently, the electrochemical properties of the modified electrodes were studied by cyclic voltammetry (CV) and differential pulse voltammetry (DPV) measurements. The results showed that under optimal conditions, the sensor had a good electrochemical performance for environmental pollutant 4-NP. In particular, the linear range of the sensor was 10−200 μmol·L-1 and the detection limit was 1.169 μmol·L−1 on the basis of the signal-to-noise ratio S/N = 3. The electrode showed excellent stability, reproducibility and repetitiveness and the sensor also had good selectivity. In addition, the newly constructed sensor exhibited adsorption-controlled kinetics and the recovery rate of 4-NP in actual water samples could reach 90.06~95.17%, indicating that the sensor had good practical application prospects.
Record ID
Keywords
activation, carbon material, coal liquefaction residue, electrochemical sensor, p-nitrophenol
Subject
Suggested Citation
Xu L, Lu Y, Yalikun N, Shi C, Wang H, Xu Y, Liu J. Preparation and Application of Coal-Liquefaction-Residue-Based Carbon Material. (2023). LAPSE:2023.0987
Author Affiliations
Xu L: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Lu Y: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Yalikun N: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Shi C: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Wang H: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Xu Y: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Liu J: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Lu Y: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Yalikun N: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Shi C: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Wang H: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Xu Y: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Liu J: State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, Xinjiang Key Laboratory of Coal Cleaning Conversion & Chemical Engineering, Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang Univ
Journal Name
Processes
Volume
10
Issue
11
First Page
2455
Year
2022
Publication Date
2022-11-19
ISSN
2227-9717
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Original Submission
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PII: pr10112455, Publication Type: Journal Article
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LAPSE:2023.0987
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https://doi.org/10.3390/pr10112455
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Feb 21, 2023
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