Producing adsorbents of cellulose nanocrytals - alginate hydrogel beads for efficient removal of dye in water
Main Article Content
Abstract
In this study, recyclable adsorbentsmade of nanocellulose and alginate were developed. Nanocellulose wasobtained by acid hydrolysis of cellulose, isolated from sugarcane bagasse (SCB). TEM analysis showed that the obtained nanocellulose was rod-like in structure with high aspect ratio. Nanocellulose - alginate hydrogel beads were prepared by an ionotropic gelation method using Ca2+ ions. The adsorption behavior of methylene blue by spherical (nanocellulose - alginate) hydrogel beads was studied by varying the initial dye concentrations, contact time, and adsorbent dosage. These hydrogel beads displayed an improved adsorption capacitycompared to the pure alginate hydrogel.
Article Details
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Keywords
Sugarcane bagasse, adsorption, alginate, cellulose nanocrystals, wastewater treatment
References
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