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Synthesis, characterization, and methylene blue adsorption isotherms of hydrochars derived from forestry waste and agro-residues

Xian Zhang (UGent) , Fangyuan Chen, Shiwang Liu, Jian Lou, Wanpeng Liu, Diederik Rousseau (UGent) and Stijn Van Hulle (UGent)
(2024) BIOMASS CONVERSION AND BIOREFINERY. 14(2). p.1809-1824
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Abstract
Mason pine-derived hydrochar (MPHC), cedarwood-derived hydrochar (CHC), bamboo-derived hydrochar (BHC), coconut shell-derived hydrochar (CSHC), pecan shell-derived hydrochar (PSHC), wheat straw-derived hydrochar (WSHC), maize straw-derived hydrochar (MSHC), and rice straw-derived hydrochar (RSHC) were synthesized by hydrothermal carbonization (HTC). The physicochemical properties of these hydrochars were characterized by various techniques, and the adsorption behavior of methylene blue (MB) on hydrochars from an aqueous solution was also investigated. The characterization results suggested that the hydrochars possessed various oxygen-containing functional groups (e.g., ether and hydroxyl groups, etc.). Thermodynamic parameters demonstrated that adsorption was spontaneous for all produced hydrochars. The adsorption was endothermic for CHC, BHC, CSHC, PSHC, WSHC, MSHC, RSHC, and exothermic for MPHC. The Langmuir model best described the adsorption process. MB adsorption capacity is ranked as MPHC > PSHC > CSHC > CHC > MSHC> WSHC > RSHC > BHC. The saturated adsorption value for MB on these hydrochars at 15 degrees C was 155.14, 109.24, 93.15, 91.71, 88.11, 86.36, 70.01, and 64.43 mg/g, respectively; the difference in adsorption value indicates that the type of biomass affects MB adsorption. This high adsorption capacity for MB suggests that the produced hydrochars could be utilized as a promising new adsorbent in wastewater treatment.
Keywords
Renewable Energy, Sustainability and the Environment, Hydrothermal carbonization, Characterization, Adsorption, Isotherm, Methylene blue, HYDROTHERMAL CARBONIZATION, AQUEOUS-SOLUTION, TEA WASTE, BIOCHAR, KINETICS, PYROLYSIS, OPTIMIZATION, EQUILIBRIUM, PERFORMANCE, REMOVAL

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Citation

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MLA
Zhang, Xian, et al. “Synthesis, Characterization, and Methylene Blue Adsorption Isotherms of Hydrochars Derived from Forestry Waste and Agro-Residues.” BIOMASS CONVERSION AND BIOREFINERY, vol. 14, no. 2, 2024, pp. 1809–24, doi:10.1007/s13399-021-02241-y.
APA
Zhang, X., Chen, F., Liu, S., Lou, J., Liu, W., Rousseau, D., & Van Hulle, S. (2024). Synthesis, characterization, and methylene blue adsorption isotherms of hydrochars derived from forestry waste and agro-residues. BIOMASS CONVERSION AND BIOREFINERY, 14(2), 1809–1824. https://doi.org/10.1007/s13399-021-02241-y
Chicago author-date
Zhang, Xian, Fangyuan Chen, Shiwang Liu, Jian Lou, Wanpeng Liu, Diederik Rousseau, and Stijn Van Hulle. 2024. “Synthesis, Characterization, and Methylene Blue Adsorption Isotherms of Hydrochars Derived from Forestry Waste and Agro-Residues.” BIOMASS CONVERSION AND BIOREFINERY 14 (2): 1809–24. https://doi.org/10.1007/s13399-021-02241-y.
Chicago author-date (all authors)
Zhang, Xian, Fangyuan Chen, Shiwang Liu, Jian Lou, Wanpeng Liu, Diederik Rousseau, and Stijn Van Hulle. 2024. “Synthesis, Characterization, and Methylene Blue Adsorption Isotherms of Hydrochars Derived from Forestry Waste and Agro-Residues.” BIOMASS CONVERSION AND BIOREFINERY 14 (2): 1809–1824. doi:10.1007/s13399-021-02241-y.
Vancouver
1.
Zhang X, Chen F, Liu S, Lou J, Liu W, Rousseau D, et al. Synthesis, characterization, and methylene blue adsorption isotherms of hydrochars derived from forestry waste and agro-residues. BIOMASS CONVERSION AND BIOREFINERY. 2024;14(2):1809–24.
IEEE
[1]
X. Zhang et al., “Synthesis, characterization, and methylene blue adsorption isotherms of hydrochars derived from forestry waste and agro-residues,” BIOMASS CONVERSION AND BIOREFINERY, vol. 14, no. 2, pp. 1809–1824, 2024.
@article{8740109,
  abstract     = {{Mason pine-derived hydrochar (MPHC), cedarwood-derived hydrochar (CHC), bamboo-derived hydrochar (BHC), coconut shell-derived hydrochar (CSHC), pecan shell-derived hydrochar (PSHC), wheat straw-derived hydrochar (WSHC), maize straw-derived hydrochar (MSHC), and rice straw-derived hydrochar (RSHC) were synthesized by hydrothermal carbonization (HTC). The physicochemical properties of these hydrochars were characterized by various techniques, and the adsorption behavior of methylene blue (MB) on hydrochars from an aqueous solution was also investigated. The characterization results suggested that the hydrochars possessed various oxygen-containing functional groups (e.g., ether and hydroxyl groups, etc.). Thermodynamic parameters demonstrated that adsorption was spontaneous for all produced hydrochars. The adsorption was endothermic for CHC, BHC, CSHC, PSHC, WSHC, MSHC, RSHC, and exothermic for MPHC. The Langmuir model best described the adsorption process. MB adsorption capacity is ranked as MPHC > PSHC > CSHC > CHC > MSHC> WSHC > RSHC > BHC. The saturated adsorption value for MB on these hydrochars at 15 degrees C was 155.14, 109.24, 93.15, 91.71, 88.11, 86.36, 70.01, and 64.43 mg/g, respectively; the difference in adsorption value indicates that the type of biomass affects MB adsorption. This high adsorption capacity for MB suggests that the produced hydrochars could be utilized as a promising new adsorbent in wastewater treatment.}},
  author       = {{Zhang, Xian and Chen, Fangyuan and Liu, Shiwang and Lou, Jian and Liu, Wanpeng and Rousseau, Diederik and Van Hulle, Stijn}},
  issn         = {{2190-6815}},
  journal      = {{BIOMASS CONVERSION AND BIOREFINERY}},
  keywords     = {{Renewable Energy,Sustainability and the Environment,Hydrothermal carbonization,Characterization,Adsorption,Isotherm,Methylene blue,HYDROTHERMAL CARBONIZATION,AQUEOUS-SOLUTION,TEA WASTE,BIOCHAR,KINETICS,PYROLYSIS,OPTIMIZATION,EQUILIBRIUM,PERFORMANCE,REMOVAL}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{1809--1824}},
  title        = {{Synthesis, characterization, and methylene blue adsorption isotherms of hydrochars derived from forestry waste and agro-residues}},
  url          = {{http://doi.org/10.1007/s13399-021-02241-y}},
  volume       = {{14}},
  year         = {{2024}},
}
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