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- W2117330229 abstract " The uptake of fast orange dye by the red seaweed Laurencia papillosa has been demonstrated in order to explore its potential use as low-cost adsorbent. The adsorption kinetics of fast orange dye on the alga with respect to initial dye concentration, contact time, particle size and pH were investigated. The dye removal percentage increased from 25.92 to 67.08% and the equilibrium states were attained at almost 60 min within the experimental concentration range. The adsorption kinetic was analyzed using pseudo-first-order and pseudo-second-order models. The pseudo-second-order model was more appropriate to describe the sorption kinetics based on the relatively high values of the linear squared regression correlation coefficient. The nature of the possible adsorbent and fast orange interactions was examined by the Fourier transform infrared technique. This technique confirmed that hydroxyl, carboxyl, amine, sulfonyl, carbonyl and alkyl groups are responsible for the dye binding process. Significant increase in dye adsorption was observed with the decrease in sorbent particle size coupled with its large surface area. Maximum removal efficiency was determined to be 65.7% at a solution pH of 5. However,Laurencia papillosa proved to be a promising material for removing fast orange dye from aqueous solutions. Key words: Dye adsorption, Macroalga, Laurencia papillosa, kinetics." @default.
- W2117330229 created "2016-06-24" @default.
- W2117330229 creator A5086930757 @default.
- W2117330229 date "2013-04-24" @default.
- W2117330229 modified "2023-10-01" @default.
- W2117330229 title "Evaluation of non-viable biomass of Laurencia papillosa for decolorization of dye waste water" @default.
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- W2117330229 doi "https://doi.org/10.5897/ajb2013.11975" @default.
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