COMPARISON PERFORMANCE OF RAW AND CATIONIC SURFACTANT MODIFIED NANOCLAY IN REMOVAL OF 4-CHLOROPHENOL FROM AQUEOUS SOLUTIONS

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SEID MOHAMMADI A.; RAHMANI A.R.; ASGARI GH.; Bajalan S.; SHABANLOO A.

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Title

COMPARISON PERFORMANCE OF RAW AND CATIONIC SURFACTANT MODIFIED NANOCLAY IN REMOVAL OF 4-CHLOROPHENOL FROM AQUEOUS SOLUTIONS

Author(s)

Keywords

CLAYQ1

SURFACTANTQ2

4-CHLOROPHENOLQ1

MONTMORILLONITEQ1

ISOTHERMQ2

Abstract

Background and Objective: Main sources of 4-CHLOROPHENOL wastewater are petroleum industry, coal, paper and resin production. The aim of this study was to compare the performance of raw and cationic SURFACTANT modified nano CLAY in removal of 4-CHLOROPHENOL from aqueous solutions.Materials and Methods: The influence of contact time, initial pH of solution, adsorbent dosage and 4-CHLOROPHENOL concentration as effective parameters in adsorption process and the influence of modification solution pH and SURFACTANT loading rates were investigated. The modified nano CLAY was characterized by Fourier transform infrared (FTIR) and X-ray diffraction (XRD) spectroscopy. Finally, the ISOTHERM and adsorption kinetics were investigated.Results: The removal efficiency of 4-CHLOROPHENOL was increased by increasing the initial pH from 3 to 11, so that after of 120 min, the absorption efficiency at an initial 4-CHLOROPHENOL concentration of 100 mg/L and 0.25 g adsorb ate was 26 and 95.5 % at pH 3 and 11, respectively. Under the same conditions the removal efficiency for the raw nano CLAY was 2 and 9% at pH 3 and 11, respectively. The FTIR and XRD analyses revealed that the nano CLAY structural changed from hydrophilic to hydrophobic and the interlayer spacing was increased. The adsorption of 4-CHLOROPHENOL on raw and modified nano CLAY was consistent with Langmuir and pseudo second-order kinetics. The maximum absorption capacity of raw and modified nano CLAY was 0.5 and 25.77 mg/g, respectively.Conclusion: The modification of nano CLAY with cationic SURFACTANT increased the adsorption efficiency of 4-CHLOROPHENOL.

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APA: Copy

SEID MOHAMMADI, A., RAHMANI, A.R., ASGARI, GH., Bajalan, S., & SHABANLOO, A.. (2017). COMPARISON PERFORMANCE OF RAW AND CATIONIC SURFACTANT MODIFIED NANOCLAY IN REMOVAL OF 4-CHLOROPHENOL FROM AQUEOUS SOLUTIONS. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 10(1), 1-14. SID. https://sid.ir/paper/145831/en

Vancouver: Copy

SEID MOHAMMADI A., RAHMANI A.R., ASGARI GH., Bajalan S., SHABANLOO A.. COMPARISON PERFORMANCE OF RAW AND CATIONIC SURFACTANT MODIFIED NANOCLAY IN REMOVAL OF 4-CHLOROPHENOL FROM AQUEOUS SOLUTIONS. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2017;10(1):1-14. Available from: https://sid.ir/paper/145831/en

IEEE: Copy

A. SEID MOHAMMADI, A.R. RAHMANI, GH. ASGARI, S. Bajalan, and A. SHABANLOO, “COMPARISON PERFORMANCE OF RAW AND CATIONIC SURFACTANT MODIFIED NANOCLAY IN REMOVAL OF 4-CHLOROPHENOL FROM AQUEOUS SOLUTIONS,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 10, no. 1, pp. 1–14, 2017, [Online]. Available: https://sid.ir/paper/145831/en

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