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Information Journal Paper

Title

OPTIMIZATION, EQUILIBRIUM AND KINETIC STUDIES OF BASIC RED 2 REMOVAL ONTO WASTE GOSSYPIUM HIRSUTUM SEEDS

Pages

  157-169

Abstract

 Cationic dye - basic red 2 (BR2) was removed from aqueous solutions by sulfuric acid activated wasteGossypium hirsutum seeds (WGSAB). The main and interactive effects of five process variables such as, adsorbent dose (1.25– 5 g/L), initial dye concentration (100–300 mg/L), contact time (1–3 h), pH (2 – 12) and temperature (20 – 400C) were investigated via response surface methodology (RSM) based on BOX–BEHNKEN statistical design. The optimum values of the key variables were estimated usingDerringer’s desirability function. The optimal values were found to be at an adsorbent dose 2.41 g, initial dye concentration 150 mg/L, pH 8.69, temperature 33.570C, and contact time 1.42 h with the maximum desirability of 91%. The EQUILIBRIUM data obeyed Redlich-Peterson isotherm which showed that the WGSAB was heterogeneous and BR2 was adsorbed in multilayers. The kinetic investigation showed that the BR2 was chemisorbed on WGSAB surface following Avrami fractional order kinetics. The thermodynamic parameters revealed that The BR2 ADSORPTION process was spontaneous and endothermic. Regeneration of exhausted WGSAB foundto be possible via acetic acid as elutant.

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    Cite

    APA: Copy

    SIVARAJASEKAR, NATESAN, & BASKAR, RAJOO. (2018). OPTIMIZATION, EQUILIBRIUM AND KINETIC STUDIES OF BASIC RED 2 REMOVAL ONTO WASTE GOSSYPIUM HIRSUTUM SEEDS. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 37(2), 157-169. SID. https://sid.ir/paper/715154/en

    Vancouver: Copy

    SIVARAJASEKAR NATESAN, BASKAR RAJOO. OPTIMIZATION, EQUILIBRIUM AND KINETIC STUDIES OF BASIC RED 2 REMOVAL ONTO WASTE GOSSYPIUM HIRSUTUM SEEDS. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2018;37(2):157-169. Available from: https://sid.ir/paper/715154/en

    IEEE: Copy

    NATESAN SIVARAJASEKAR, and RAJOO BASKAR, “OPTIMIZATION, EQUILIBRIUM AND KINETIC STUDIES OF BASIC RED 2 REMOVAL ONTO WASTE GOSSYPIUM HIRSUTUM SEEDS,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 37, no. 2, pp. 157–169, 2018, [Online]. Available: https://sid.ir/paper/715154/en

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