REMOVAL OF CHROMATE FROM AQUEOUS SOLUTION BY A NOVEL CLINOPTILOLITE-POLYANILLIN COMPOSITE

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FAGHIHIAN HOSSEIN; RASEKH MARZIEH

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Journal Paper

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Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2014 | Volume:33 | Issue:1 Page(s): 45-51

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Information Journal Paper

Title

REMOVAL OF CHROMATE FROM AQUEOUS SOLUTION BY A NOVEL CLINOPTILOLITE-POLYANILLIN COMPOSITE

Author(s)

FAGHIHIAN HOSSEIN | RASEKH MARZIEH | Issue Writer Certificate

Keywords

CLINOPTILOLITE

ENVIRONMENT PROTECTION

SEPARATION

CRO42-

NANOCOMPOSITE

POLYANILINE

Abstract

Unmodified zeolites show little affinity for anions due to the fact that their surfaces are negatively charged. However modification of zeolites with amines turns their negative surface charge to positive and creating higher adsorption capacity for anions. In this study, POLYANILINECLINOPTILOLITE composite was prepared by polymerization of anilinium on the surface of zeolite.The composite was characterized by elemental analysis and X-Ray Diffraction (XRD), Scanning Electron Microscope(SEM) and Fourier Transform InfraRed (FT-IR) techniques. The adsorption capacity of the composite for removal of CrO42- from aqueous solutions was studied under different experimental conditions including initial concentration, pH, temperature, and contact time.The maximum adsorption capacity of this adsorbent was higher than the values reported for similar adsorbents. The adsorption process was kinetically fast and the equilibration was attained after 30 minutes. The Langmuir and Freundlich isotherm models were applied to describe the equilibrium adsorption and the Freundlich model agreed well with the experimental data.

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APA: Copy

FAGHIHIAN, HOSSEIN, & RASEKH, MARZIEH. (2014). REMOVAL OF CHROMATE FROM AQUEOUS SOLUTION BY A NOVEL CLINOPTILOLITE-POLYANILLIN COMPOSITE. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 33(1), 45-51. SID. https://sid.ir/paper/646606/en

Vancouver: Copy

FAGHIHIAN HOSSEIN, RASEKH MARZIEH. REMOVAL OF CHROMATE FROM AQUEOUS SOLUTION BY A NOVEL CLINOPTILOLITE-POLYANILLIN COMPOSITE. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2014;33(1):45-51. Available from: https://sid.ir/paper/646606/en

IEEE: Copy

HOSSEIN FAGHIHIAN, and MARZIEH RASEKH, “REMOVAL OF CHROMATE FROM AQUEOUS SOLUTION BY A NOVEL CLINOPTILOLITE-POLYANILLIN COMPOSITE,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 33, no. 1, pp. 45–51, 2014, [Online]. Available: https://sid.ir/paper/646606/en

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