THERMODYNAMIC STUDY OF LEAD ION REMOVAL BY ADSORPTION ONTO NANOGRAPHENE SHEETS

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SAGHAPOUR Y.; AGHAIE M.; ZARE K.

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Journal: JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY Year:2013 | Volume:10 | Issue:1 Page(s): 59-67

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Information Journal Paper

Title

THERMODYNAMIC STUDY OF LEAD ION REMOVAL BY ADSORPTION ONTO NANOGRAPHENE SHEETS

Author(s)

SAGHAPOUR Y. | AGHAIE M. | ZARE K. | Issue Writer Certificate

Keywords

NANOGRAPHENEQ2

PB2+IONSQ2

ADSORPTIONQ2

ISOTHERMQ2

THERMODYNAMICSQ2

Abstract

A batch ADSORPTION study was applied to investigate the ADSORPTION of Pb2+ ions from aqueous solution by NANOGRAPHENE (nG).The ADSORPTION percentage of Pb2+ions onto nG samples at different initial pH, contact time (tc), adsorbent dosage (mnG) and temperature (T) were investigated. The results showed that nG is an excellent adsorbent for Pb2+ ions removal from aqueous solutions with an ADSORPTION percentage of up to 79.8% at initial Pb2+ concentration of 20ppm and temperature of 298K.The experimental data could be well described by the Freundlich and Langmuire ISOTHERM model; thermodynamic parameters of ADSORPTION process (DG0, DH0, DSo) were also evaluated. The overall ADSORPTION process was exothermic and spontaneous in nature. The results indicate that Pb2+ions ADSORPTION onto nG may be chemisorption.

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APA: Copy

SAGHAPOUR, Y., AGHAIE, M., & ZARE, K.. (2013). THERMODYNAMIC STUDY OF LEAD ION REMOVAL BY ADSORPTION ONTO NANOGRAPHENE SHEETS. JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, 10(1), 59-67. SID. https://sid.ir/paper/207697/en

Vancouver: Copy

SAGHAPOUR Y., AGHAIE M., ZARE K.. THERMODYNAMIC STUDY OF LEAD ION REMOVAL BY ADSORPTION ONTO NANOGRAPHENE SHEETS. JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY[Internet]. 2013;10(1):59-67. Available from: https://sid.ir/paper/207697/en

IEEE: Copy

Y. SAGHAPOUR, M. AGHAIE, and K. ZARE, “THERMODYNAMIC STUDY OF LEAD ION REMOVAL BY ADSORPTION ONTO NANOGRAPHENE SHEETS,” JOURNAL OF PHYSICAL AND THEORETICAL CHEMISTRY, vol. 10, no. 1, pp. 59–67, 2013, [Online]. Available: https://sid.ir/paper/207697/en

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