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Substantial increase in adsorption efficiency of local clay-alginate beads toward methylene blue impregnated with SDS
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Substantial increase in adsorption efficiency of local clay-alginate beads toward methylene blue impregnated with SDS
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Journal Article
Substantial increase in adsorption efficiency of local clay-alginate beads toward methylene blue impregnated with SDS
2023
Overview
In the current research work, local clay-alginate beads loaded with sodium dodecyl sulfate (SDS) surfactant were prepared for efficient adsorption of methylene blue (MB). FTIR, SEM–EDX, and TGA instruments were used to examine the surface functional groups, morphology, elemental analysis, and thermal stability of beads, respectively. The adsorption efficiency of native clay for MB increases from 124.78 to 247.94 mg/g when loaded in alginate and SDS in beads form. The impacts of adsorbent dosage, initial pH, contact time, initial MB concentration, and temperature were investigated and optimized. The maximum adsorption capacity of beads for MB was 1468.5 mg/g. The process followed a pseudosecond order kinetic and Freundlich adsorption isotherm model. Thermodynamic study confirmed that MB adsorption on beads is endothermic and spontaneous in nature. The beads were recycled and reused for five times. According to the findings, local clay-alginate beads impregnated with SDS proved to be a promising and efficient adsorbent for extracting MB from aqueous solution.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V
