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Peer-reviewedCC BY-NC-ND 4.0ACS Omega

From Invasion to Innovation: Synthesis and Characterization of Carboxylated Cellulose Nanocrystals from Prosopis Cellulose and Its Evaluation for Copper(II) Removal from Aqueous Solutions

  • Morongwa Moseki1,2
  • Sebusi Odisitse2
  • Ofentse Mazimba2
  • Neo Mokgolodi1
  • Ngonye Keroletswe1
  1. 1Botswana Institute for Technology Research and Innovation (BITRI) , , Private Bag 0082, Maranyane House Plot 50654 Machel Drive , ,
  2. 2Botswana International University of Science and Technology (BIUST) , , Plot 10017, Boseja Ward, Private Bag 16 , ,
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Abstract

Prosopis species (mesquite) was used as a lignocellulosic feedstock for producing carboxylated cellulose nanocrystals (CNC) through the ammonium persulfate (APS) oxidation method. The percentage yields of extracted cellulose and CNC were determined to be 40.40 ± 1.23% and 34.50 ± 0.65%, respectively. Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), elemental analysis (EA), X-ray diffraction (XRD), and thermogravimetric analysis (TGA) were employed for structural and physicochemical properties studies. Adsorption equilibrium was achieved after 360 min, and the adsorption kinetics was best described by the pseudo-second-order model. Langmuir isotherm model showed a good fit to the experimental data, with a maximum adsorption capacity of 66.22 mg g–1. Regeneration experiments demonstrated that after five consecutive cycles, CNC performed well, retaining 72.15% of its initial adsorption capacity. These findings demonstrate the potential of CNC as an effective, reusable, and sustainable adsorbent for remediation of Cu(II) ions from contaminated water.

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Cite

BibTeXRIS
BibTeX
@article{moseki2026from,
  title = {{From Invasion to Innovation: Synthesis and Characterization of Carboxylated Cellulose Nanocrystals from Prosopis Cellulose and Its Evaluation for Copper(II) Removal from Aqueous Solutions}},
  author = {Morongwa Moseki and Sebusi Odisitse and Ofentse Mazimba and Neo Mokgolodi and Ngonye Keroletswe},
  journal = {ACS Omega},
  year = {2026},
  month = oct,
  doi = {10.1021/acsomega.6c08709},
  url = {https://pubs.acs.org/acsodf/article/11/41/63960/5447222/From-Invasion-to-Innovation-Synthesis-and},
  note = {CC BY-NC-ND 4.0},
}
RIS
TY  - JOUR
TI  - From Invasion to Innovation: Synthesis and Characterization of Carboxylated Cellulose Nanocrystals from Prosopis Cellulose and Its Evaluation for Copper(II) Removal from Aqueous Solutions
AU  - Morongwa Moseki
AU  - Sebusi Odisitse
AU  - Ofentse Mazimba
AU  - Neo Mokgolodi
AU  - Ngonye Keroletswe
PY  - 2026
DA  - 2026/10/08
JO  - ACS Omega
DO  - 10.1021/acsomega.6c08709
UR  - https://pubs.acs.org/acsodf/article/11/41/63960/5447222/From-Invasion-to-Innovation-Synthesis-and
AB  - Prosopis species (mesquite) was used as a lignocellulosic feedstock for producing carboxylated cellulose nanocrystals (CNC) through the ammonium persulfate (APS) oxidation method. The percentage yields of extracted cellulose and CNC were determined to be 40.40 ± 1.23% and 34.50 ± 0.65%, respectively. Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), elemental analysis (EA), X-ray diffraction (XRD), and thermogravimetric analysis (TGA) were employed for structural and physicochemical properties studies. Adsorption equilibrium was achieved after 360 min, and the adsorption kinetics was best described by the pseudo-second-order model. Langmuir isotherm model showed a good fit to the experimental data, with a maximum adsorption capacity of 66.22 mg g–1. Regeneration experiments demonstrated that after five consecutive cycles, CNC performed well, retaining 72.15% of its initial adsorption capacity. These findings demonstrate the potential of CNC as an effective, reusable, and sustainable adsorbent for remediation of Cu(II) ions from contaminated water.
SN  - 2470-1343
ER  -