Jute-waste-derived cellulose fiber reinforced hydrogel composites for the removal of crystal violet from aqueous media
4 affiliations
- 1Department of Chemistry, University of Dhaka Dhaka-1000 Bangladesh
- 2Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhaka-1205 Bangladesh
- 3Department of Chemistry, Bangladesh University of Engineering and Technology (BUET) Dhaka Bangladesh
- 4Department of Environmental Science and Management, School of Environment and Life Sciences, Independent University, Bangladesh (IUB) Dhaka 1245 Bangladesh
Abstract
Sustainable adsorbents derived from renewable biomass have emerged as promising materials for wastewater treatment. In this study, a cellulose fiber-reinforced hydrogel (CF-RH) composite was developed from jute waste and employed for the removal of crystal violet (CV) dye from aqueous solutions. Cellulose fiber (CF) was extracted from the waste jute fibers (JF) through bleaching and alkali treatment and subsequently incorporated into a polyacrylamide (PAAm) hydrogel matrix. The PAAm hydrogel was synthesized via crosslinking polymerization using N,N-methylene bisacrylamide and potassium persulfate. The CF-RH composite was subsequently prepared by dispersing CF into the hydrogel precursor solution prior to polymerization. The resulting CF, PAAm hydrogel and CF-RH composite were characterized by various techniques such as Fourier transform infrared spectroscopy, X-ray powder diffraction, field-emission scanning electron microscopy with energy-dispersive X-ray spectroscopy, transmission electron microscopy, and dynamic light scattering. To evaluate the effects of adsorbent dosage, initial dye concentration, contact time, solution pH, and mechanical stirring on CV removal, batch adsorption experiments were conducted. The CF-RH composite exhibited substantially higher adsorption performance compared to the pristine PAAm hydrogel. The equilibrium adsorption data were best fitted by the Langmuir adsorption isotherm model, yielding a maximum adsorption capacity of 196 mg g−1. Kinetic studies demonstrated that the adsorption process was best described by the pseudo-second-order model, indicating that the adsorption rate was strongly associated with the availability and interactions of adsorption sites. Thermodynamic data reveals that the adsorption process is spontaneous. Notably, the CF-RH composite exhibited good reusability, preserving more than 94% of its initial adsorption capacity for five consecutive cycles. The enhanced adsorption performance and regeneration capacity of the CF-RH composite are attributed to the synergistic interaction between the CF and PAAm matrix. Overall, the jute-waste-derived CF-RH composite represents a low-cost, reusable, and sustainable adsorbent for removal of CV dye from aqueous solution, highlighting its potential for wastewater treatment applications.
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BibTeX
@article{shakil2026jutewastederived,
title = {{Jute-waste-derived cellulose fiber reinforced hydrogel composites for the removal of crystal violet from aqueous media}},
author = {Ajadur Rahman Shakil and Md Sohag Hossain and Sharuk Alam Aumi and Md. Shahidur Rahman and Shahin Sultana and Md. Aftab Ali Shaikh and Chanchal Kumar Roy and Hafizur Rahman and Umme Toufika Jannat and Md Anamul Haque},
journal = {RSC advances},
year = {2026},
month = oct,
doi = {10.1039/d6ra00987e},
url = {https://europepmc.org/article/PMC/PMC13659810},
note = {CC BY-NC},
}
RIS
TY - JOUR
TI - Jute-waste-derived cellulose fiber reinforced hydrogel composites for the removal of crystal violet from aqueous media
AU - Ajadur Rahman Shakil
AU - Md Sohag Hossain
AU - Sharuk Alam Aumi
AU - Md. Shahidur Rahman
AU - Shahin Sultana
AU - Md. Aftab Ali Shaikh
AU - Chanchal Kumar Roy
AU - Hafizur Rahman
AU - Umme Toufika Jannat
AU - Md Anamul Haque
PY - 2026
DA - 2026/10/13
JO - RSC advances
DO - 10.1039/d6ra00987e
UR - https://europepmc.org/article/PMC/PMC13659810
AB - Sustainable adsorbents derived from renewable biomass have emerged as promising materials for wastewater treatment. In this study, a cellulose fiber-reinforced hydrogel (CF-RH) composite was developed from jute waste and employed for the removal of crystal violet (CV) dye from aqueous solutions. Cellulose fiber (CF) was extracted from the waste jute fibers (JF) through bleaching and alkali treatment and subsequently incorporated into a polyacrylamide (PAAm) hydrogel matrix. The PAAm hydrogel was synthesized via crosslinking polymerization using N,N-methylene bisacrylamide and potassium persulfate. The CF-RH composite was subsequently prepared by dispersing CF into the hydrogel precursor solution prior to polymerization. The resulting CF, PAAm hydrogel and CF-RH composite were characterized by various techniques such as Fourier transform infrared spectroscopy, X-ray powder diffraction, field-emission scanning electron microscopy with energy-dispersive X-ray spectroscopy, transmission electron microscopy, and dynamic light scattering. To evaluate the effects of adsorbent dosage, initial dye concentration, contact time, solution pH, and mechanical stirring on CV removal, batch adsorption experiments were conducted. The CF-RH composite exhibited substantially higher adsorption performance compared to the pristine PAAm hydrogel. The equilibrium adsorption data were best fitted by the Langmuir adsorption isotherm model, yielding a maximum adsorption capacity of 196 mg g−1. Kinetic studies demonstrated that the adsorption process was best described by the pseudo-second-order model, indicating that the adsorption rate was strongly associated with the availability and interactions of adsorption sites. Thermodynamic data reveals that the adsorption process is spontaneous. Notably, the CF-RH composite exhibited good reusability, preserving more than 94% of its initial adsorption capacity for five consecutive cycles. The enhanced adsorption performance and regeneration capacity of the CF-RH composite are attributed to the synergistic interaction between the CF and PAAm matrix. Overall, the jute-waste-derived CF-RH composite represents a low-cost, reusable, and sustainable adsorbent for removal of CV dye from aqueous solution, highlighting its potential for wastewater treatment applications.
SN - 2046-2069
ER -