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Updated: Feb 8, 2026
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High-throughput Saccharification Assay for Lignocellulosic Materials
Published on: July 3, 2011
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Removal of vanadium from wastewater using surface-modified lignocellulosic material.
Maria Joseph Vinolia Thamilarasi1, Premkumar Anilkumar2, Chinniagounder Theivarasu3
1Department of Chemistry, KPR Institute of Engineering and Technology, Arasur, Coimbatore, 641407, India. vinujestin@gmail.com.
Summary
Palm fruit husk, modified with CTAB, effectively adsorbs Vanadium (V). This agricultural waste offers a viable method for removing Vanadium (V) from wastewater, with potential for adsorbent regeneration.
Area of Science:
- Environmental Science
- Materials Science
- Chemical Engineering
Background:
- Palm fruit husk is an abundant lignocellulosic agricultural waste.
- Raw palm fruit husk lacks the capacity to adsorb Vanadium (V).
- Surface modification is explored to enhance its adsorptive properties.
Purpose of the Study:
- To investigate the potential of surface-modified palm fruit husk for Vanadium (V) adsorption.
- To determine optimal adsorption conditions and understand adsorption mechanisms.
- To evaluate the feasibility of Vanadium (V) recovery and the impact of coexisting ions.
Main Methods:
- Palm fruit husk was surface-modified using cetyl trimethyl ammonium bromide (CTAB).
- Batch adsorption experiments were conducted to study Vanadium (V) removal.
- Adsorption equilibrium data were analyzed using Langmuir, Freundlich, and D-R isotherm models.
- Kinetic studies were performed to determine the adsorption rate.
- Desorption experiments were carried out to assess recovery potential.
- The effect of coexisting anions on Vanadium (V) adsorption was investigated.
Main Results:
- Surface-modified palm fruit husk demonstrated significant adsorption capability for Vanadium (V).
- Maximum Vanadium (V) adsorption occurred at pH 4.
- Adsorption data best fit the second-order kinetic model.
- Desorption studies confirmed the feasibility of Vanadium (V) recovery.
- Coexisting anions competed with Vanadium (V) for adsorption sites.
- Quantitative removal of Vanadium (V) was achieved from synthetic wastewater.
Conclusions:
- CTAB-modified palm fruit husk is an effective adsorbent for Vanadium (V) removal.
- The adsorption process is influenced by pH and follows second-order kinetics.
- This modified agricultural waste presents a sustainable solution for Vanadium (V) remediation.
- The adsorbent can be regenerated, making the process economically viable.
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