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Synthesis and characterization of peanut hull modified chitosan beads
Joydeep Dutta1, Asma Ashraf2, Sumedha Mehmi2
1Department of Zoology, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, 144411, India. joydeep.dutta@lpu.co.in.
Summary
Groundnut hull powder enhances chitosan beads for improved water purification. These novel composite beads effectively adsorb toxic dyes and metals from aqueous systems, offering a sustainable solution.
Area of Science:
- Materials Science
- Environmental Science
- Chemical Engineering
Background:
- Chitosan beads are effective adsorbents but can lack stability.
- Incorporating plant materials can enhance chitosan bead properties.
- Toxic dye and metal contamination in water requires efficient removal methods.
Purpose of the Study:
- To develop novel composite beads using groundnut hull powder and chitosan.
- To characterize the physicochemical properties of the composite beads.
- To evaluate the suitability of these beads for adsorbing toxic pollutants.
Main Methods:
- Composite beads were fabricated using a droplet-based microfluidic system.
- Characterization involved Scanning Electron Microscopy (SEM), Thermogravimetric Analysis (TGA), Fourier-Transform Infrared Spectroscopy (FTIR), and X-ray Diffraction (XRD).
Main Results:
- SEM revealed significant changes in surface morphology, indicating successful impregnation.
- FTIR and TGA confirmed the presence of groundnut hull powder within the chitosan matrix.
- XRD analysis showed the formation of amorphous beads, beneficial for adsorption.
Conclusions:
- Groundnut hull powder incorporation successfully created stable chitosan composite beads.
- The enhanced properties make these beads promising for adsorbing toxic dyes and metals.
- This study presents a novel, plant-based approach for water remediation.
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