Investigation of the Effective Parameters on Reactive Dye Removal from Aqueous Solution Using Chitosan Nanoparticles Emulsion
The chitosan emulsion containing nano-particles has been prepared in a suspension form by adding drop-wise sodium polyphosphate (SPP) solution into a chitosan solution (CS). The results showed that the adsorption of C. I. Reactive Blue 19 (RB19) on chitosan emulsion was affected by contact time، initial dye concentration، pH، and temperature. For an initial dye concentration of 160ppm and 25°C in the optimum conditions (pH=4، [CS] / [SPP] =2. 85)، the chitosan nano-emulsion has much higher dye adsorption capacity. The RB19 removal in optimum condition was 60% and 100% for conventional chitosanand chitosan nano-emulsion respectively.
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