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Removal of congo red dye from aqueous solution by bagasse
Norain Isa1, Nor Aziyah Bakhari2, Jaudat Hamidon3.
The present study deals vllith the utilisation ofunmodified bagasse (UMB) as an adsorbent for the removal ofcongo red (CR) from aqueous solutions. The effect ofadsorbent dosage, contact time and initial CR concentration On the adsorption are investigated. Then, the optimum conditions are applied to
acid-modified bagasse (A MB) and base-modified bagasse (BMB) for comparative study. The maximum CR removal capacity by UMB, BMB and AMB are 6.8/3, 7.664 and 5.295 mg g'/ respectively. It isfound that sufficient timefor adsOlption equilibrium ofCR is 60 min. Equilibrium isotherms/or the adsotption of CR on UMB is analysed by the Langmuir and Freudlich isotherm equations. These results can be help fit! in designing a batch mode system for the removal of CR from wastewater.
Affiliation:
- Universiti Teknologi MARA, Malaysia
- Universiti Teknologi MARA, Malaysia
- Universiti Teknologi MARA, Malaysia
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