ULTRASONIC ASSISTED REMOVAL OF NI (II) AND CO (II) IONS FROM AQUEOUS SOLUTIONS BY CARBOXYLATED NANOPOROUS GRAPHEME

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KHALIGH AISAN; ZAVVAR MOUSAVI HASSAN; RASHIDI ALIMORAD

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Journal: JOURNAL OF APPLIED CHEMISTRY Year:2017 | Volume:11 | Issue:41 Page(s): 49-58

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Title

ULTRASONIC ASSISTED REMOVAL OF NI (II) AND CO (II) IONS FROM AQUEOUS SOLUTIONS BY CARBOXYLATED NANOPOROUS GRAPHEME

Author(s)

KHALIGH AISAN | ZAVVAR MOUSAVI HASSAN | RASHIDI ALIMORAD | Issue Writer Certificate

Keywords

ULTRASONIC ASSISTED REMOVALQ2

HEAVY METALQ2

CARBOXYLATED NANOPOROUS GRAPHENEQ2

ISOTHERMQ2

KINETICQ2

THERMODYNAMICQ2

Abstract

The present study was focused on the simultaneous removal of Ni (II) and Co (II) ions from aqueous solutions by ultrasound-assisted adsorption onto CARBOXYLATED NANOPOROUS GRAPHENE (G-COOH). Nanoporous graphene was synthesized by chemical vapor deposition method then functionalized by carboxyl groups and finally characterized using SEM, XRD, EDX, BET and FT-IR techniques. The effects of variables such as pH, sonication time, adsorbent dosage, and temperature on simultaneous removal of Ni (II) and Co (II) ions were studied and optimized. The KINETIC and ISOTHERM experiment data could be well described with the pseudo-second order KINETIC model and the Langmuir ISOTHERM model. The maximum adsorption capacity of G-COOH for Ni (II) and Co (II) ions was 94.34 mg g-1 and 87.72 mg g-1, respectively. THERMODYNAMIC studies indicated that the adsorption process was spontaneous and endothermic in nature.

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APA: Copy

KHALIGH, AISAN, ZAVVAR MOUSAVI, HASSAN, & RASHIDI, ALIMORAD. (2017). ULTRASONIC ASSISTED REMOVAL OF NI (II) AND CO (II) IONS FROM AQUEOUS SOLUTIONS BY CARBOXYLATED NANOPOROUS GRAPHEME. JOURNAL OF APPLIED CHEMISTRY, 11(41), 49-58. SID. https://sid.ir/paper/243287/en

Vancouver: Copy

KHALIGH AISAN, ZAVVAR MOUSAVI HASSAN, RASHIDI ALIMORAD. ULTRASONIC ASSISTED REMOVAL OF NI (II) AND CO (II) IONS FROM AQUEOUS SOLUTIONS BY CARBOXYLATED NANOPOROUS GRAPHEME. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2017;11(41):49-58. Available from: https://sid.ir/paper/243287/en

IEEE: Copy

AISAN KHALIGH, HASSAN ZAVVAR MOUSAVI, and ALIMORAD RASHIDI, “ULTRASONIC ASSISTED REMOVAL OF NI (II) AND CO (II) IONS FROM AQUEOUS SOLUTIONS BY CARBOXYLATED NANOPOROUS GRAPHEME,” JOURNAL OF APPLIED CHEMISTRY, vol. 11, no. 41, pp. 49–58, 2017, [Online]. Available: https://sid.ir/paper/243287/en

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