EFFICIENT ADSORPTION OF CU (II) AND CR (VI) METAL IONS BY SCHIFF BASE MODIFIED SBA-15

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BOORBOOR AJDARI FARSHAD; BEHZAD MAHDI

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Journal: Applied Chemistry Today Year:2016 | Volume:10 | Issue:37 Page(s): 97-105

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Title

EFFICIENT ADSORPTION OF CU (II) AND CR (VI) METAL IONS BY SCHIFF BASE MODIFIED SBA-15

Author(s)

BOORBOOR AJDARI FARSHAD | BEHZAD MAHDI | Issue Writer Certificate

Keywords

ADSORPTIONQ2

REMOVALQ2

CU (II)Q2

CR (VI)Q2

KINETICSQ2

THERMODYNAMICSQ2

Abstract

SBA-15 was functionalized with amine (–NH2) and 3-methoxy salicylaldehyde (3-MS) to form a mesoporous silica with Schiff base modified surface (3-MS–SBA-15). The materials were characterized and analyzed by Fourier transform infrared (FT-IR), scanning electron microscopy (SEM), Nitrogen ADSORPTION-desorption (BET), and X-ray diffraction (XRD) spectroscopy. The REMOVAL of Cu (II) and Cr (VI) metal ions onto 3-MS-SBA-15 was then studied from their aqueous solutions in order to investigate and optimize the effect of contact time, solution pH, adsorbent dose and temperature in batch system. The equilibrium data were analyzed using the Tempkin, Dubinin - Radashkovich, Langmuir and Freundlich isotherms. Freundlich and Langmuir isotherms were well fitted for Cu (II) and Cr (VI) ADSORPTION process, respectively. The KINETICS analyses showed that the total ADSORPTION process was completely fitted with the pseudo-second-order KINETICS model. The ADSORPTION depended strongly on temperature, as the ADSORPTION capacity decreased for Cu (II) while increased for Cr (VI) by increasing the temperature of the system, indicating the exothermic and spontaneous nature for Cu (II) and the endothermic and spontaneous nature for Cr (VI).

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APA: Copy

BOORBOOR AJDARI, FARSHAD, & BEHZAD, MAHDI. (2016). EFFICIENT ADSORPTION OF CU (II) AND CR (VI) METAL IONS BY SCHIFF BASE MODIFIED SBA-15. JOURNAL OF APPLIED CHEMISTRY, 10(37), 97-105. SID. https://sid.ir/paper/243307/en

Vancouver: Copy

BOORBOOR AJDARI FARSHAD, BEHZAD MAHDI. EFFICIENT ADSORPTION OF CU (II) AND CR (VI) METAL IONS BY SCHIFF BASE MODIFIED SBA-15. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2016;10(37):97-105. Available from: https://sid.ir/paper/243307/en

IEEE: Copy

FARSHAD BOORBOOR AJDARI, and MAHDI BEHZAD, “EFFICIENT ADSORPTION OF CU (II) AND CR (VI) METAL IONS BY SCHIFF BASE MODIFIED SBA-15,” JOURNAL OF APPLIED CHEMISTRY, vol. 10, no. 37, pp. 97–105, 2016, [Online]. Available: https://sid.ir/paper/243307/en

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