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Modification of coconut shell activated carbon and purification of volatile organic waste gas acetone

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Abstract

The impregnation method was used to modify the coconut shell activated carbon, and the modified activated carbon was applied to purify the simulated exhaust gas of acetone. The experiment first discussed the influence of modification conditions on activated carbon’s adsorption effect and determined the best modification conditions. Specifically, the adsorption operation conditions such as intake time, intake flow rate, intake concentration, and adsorption temperature were investigated. Then, characterization methods such as BET and FTIR were used to study the thermodynamic and kinetic processes of activated carbon’s adsorption process by acetone and the in-depth analysis of the purification mechanism. The results show that a 1% KOH modified coconut shell activated carbon has the highest adsorption performance. Both the Langmuir adsorption isotherm model and the Bangham kinetic model can better fit the adsorption process. Experimental outcomes will support the theoretical approach for the research of coconut shell activated carbon in acetone purification.

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Purification of a volatile organic compound of acetone using the modified coconut shell-based activated carbon materials

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Acknowledgements

We thank the Yunnan Innovative Research Team of Environmental pollution, Food Safety and Human Health for granting the technical guidance toward this research work.

Funding

Partial support of the present study by the Open fund of Key Laboratory of Ecological Environment Evolution and Pollution Control in Mountainous Rural Areas of Yunnan Province (Project Nos. 2020YB006), Key Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Southwest Forestry University(Project Nos. 2020YB006), Scientific research fund of Yunnan Education Department(Project Nos. YB202023), Science popularization project of philosophy and Social Sciences Planning of Yunnan Province in 2021 (SKPJ202121) and Scientific research fund project of Yunnan Education Department (Project Nos. 2021J0163).

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Authors and Affiliations

  1. College of Ecology and Environment, Southwest Forestry University, Kunming, 650233, China

    Zhihua Deng & Qing Deng

  2. College of Chemical Engineering, Southwest Forestry University, Kunming, 650233, China

    Qiuhan Zhang

  3. Integrated Composites Lab (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN, 37996, USA

    Zhanhu Guo

  4. College of Engineering and Computer Science, Arkansas State University, Jonesboro, AR, 72467, USA

    Ilwoo Seok

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  1. Zhihua Deng
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  2. Qiuhan Zhang
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  3. Qing Deng
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  4. Zhanhu Guo
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  5. Ilwoo Seok
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Correspondence to Zhihua Deng or Ilwoo Seok.

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Deng, Z., Zhang, Q., Deng, Q. et al. Modification of coconut shell activated carbon and purification of volatile organic waste gas acetone. Adv Compos Hybrid Mater 5, 491–503 (2022). https://doi.org/10.1007/s42114-021-00345-7

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