Adsorption of Reactive Red 158 Dye by Chemically Treated by Ackmez Mudhoo (auth.)

By Ackmez Mudhoo (auth.)

The potent elimination of dyes from aqueous waste is a vital factor for lots of industrialized international locations. the normal remedy equipment used to take away dyes from wastewater have definite dangers similar to incomplete dye elimination, excessive reagent and effort requisites, and the new release of poisonous sludge or different waste items that require disposal. the quest for replacement and leading edge remedy recommendations has concentrated awareness at the use of organic fabrics for dye removing and restoration applied sciences. This short summarizes the most recent advancements during this vital field.

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Additional resources for Adsorption of Reactive Red 158 Dye by Chemically Treated Cocos Nucifera L. Shell Powder: Adsorption of Reactive Red 158 by Cocos Nucifera L.

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28 The linearised D–R isotherm for RR158 on CAC’s. 5 g/L Fig. 29 The linearised D–R isotherm for RR158 on CAC’s. Experimental conditions: room temperature, 200 rpm, adsorbent dosage = 20 g/L illustrated in Figs. 24, 25, 26, 27, 28 and 29. A summary of the results obtained is tabulated in Table 8. 909 for adsorbent dosage of 20 g/L. 890 indicating that the D–R model fitted well at high dosages of adsorbent, it was not a good model at low dosages of adsorbent for the adsorption process. 5 g/L of adsorbent.

26 The linearised D–R isotherm for RR158 on CAC’s. 5 g/L Fig. 27 The linearised D–R isotherm for RR158 on CAC’s. 3 Dubinin–Radushkevich Isotherm Model The values for the theoretical saturation capacity and that of b which is a constant connected with the mean free energy of adsorption per mole of adsorbate were determined from the slopes and y intercepts of the linearly regressed lines 36 Adsorption of Reactive Red 158 Dye Fig. 28 The linearised D–R isotherm for RR158 on CAC’s. 5 g/L Fig. 29 The linearised D–R isotherm for RR158 on CAC’s.

1885 mg/g for increase in dye concentration from 20 to 120 mg/L. 307 Experimental qt (mg/g) 4 Results and Discussions 45 46 Adsorption of Reactive Red 158 Dye Fig. 42 The linearized pseudo second order kinetics of RR158 by CAC’s. 5 g/L; pH: 2 Fig. 43 The linearized pseudo second order kinetics of RR158 by CAC’s. 5 g/L, the calculated qt values decreased as dye concentration increased which might be due to the use of insufficiently pretreated coconut shells. 4 Results and Discussions 47 Fig. 44 The linearized pseudo second order kinetics of RR158 by CAC’s.

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