THE STUDY OF FURFURAL REMOVAL FROM AQUEOUS SOLUTIONS USING ACTIVATED CARBON AND BENTONITE MODIFIED WITH CETYLTRIMETHYLAMMONIUM BROMIDE (CTAB), A CATIONIC SURFACTANT

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LEILI M.; ASGARI GH.; ESKANDARI A.A.; BORZOOEI L.; RAMAVANDI B.

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Journal: Iranian Journal of Health and Environment Year:2015 | Volume:8 | Issue:3 Page(s): 285-296

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Title

THE STUDY OF FURFURAL REMOVAL FROM AQUEOUS SOLUTIONS USING ACTIVATED CARBON AND BENTONITE MODIFIED WITH CETYLTRIMETHYLAMMONIUM BROMIDE (CTAB), A CATIONIC SURFACTANT

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Keywords

FURFURALQ2

NATURAL ADSORBENTQ2

ADSORPTION KINETICQ2

LANGMUIRQ2

Abstract

Background and Objectives: FURFURAL is one of the toxic chemical compounds used in many industries such as petrochemical, food, paper products, pharmaceutical, etc., due to having some characteristics. Therefore, FURFURAL could be found at different concentrations in the effluent from these industries and can enter the environment. Hence, the aim of this study was the assessment the efficiency of a low cost bentonite modified with cationic surfactant in the removal of FURFURAL from aqueous solution.Material and Methods: In this experimental study, bentonite was purchased from one of the Mines of Zanjan Province, Iran and then the efficiency of bentonite modified with the cationic surfactant CTAB (CTAB-Bent) was assessed in the adsorption of FURFURAL from aqueous solution. Activated carbon (AC) was also purchased as commercial grade.Results: Under optimum conditions, the removal efficiency of AC and CTAB-Bent was about 52 and 66%, respectively. For both adsorbents used in this study, the increase of contact time and sorbent dosage resulted in increasing the removal efficiency, but the removal efficiency was decreased with the increase of FURFURAL initial concentrations. Regarding pH, the removal efficiency was the highest in relative acidic and neutral environment, (60 and 69% for AC and CTAB-Bent respectively). The kinetics studies revealed that the highest correlation coefﬁcients were obtained for the pseudo-second order rate kinetic model. Adsorption data from both adsorbents was also fitted with LANGMUIR isotherm.Conclusion: It was found that modified bentonite with CTAB as a NATURAL ADSORBENT could have better efficiencies compared with activated carbon in the FURFURAL removal, although more contact times is needed.

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APA: Copy

LEILI, M., ASGARI, GH., ESKANDARI, A.A., BORZOOEI, L., & RAMAVANDI, B.. (2015). THE STUDY OF FURFURAL REMOVAL FROM AQUEOUS SOLUTIONS USING ACTIVATED CARBON AND BENTONITE MODIFIED WITH CETYLTRIMETHYLAMMONIUM BROMIDE (CTAB), A CATIONIC SURFACTANT. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 8(3), 285-296. SID. https://sid.ir/paper/146048/en

Vancouver: Copy

LEILI M., ASGARI GH., ESKANDARI A.A., BORZOOEI L., RAMAVANDI B.. THE STUDY OF FURFURAL REMOVAL FROM AQUEOUS SOLUTIONS USING ACTIVATED CARBON AND BENTONITE MODIFIED WITH CETYLTRIMETHYLAMMONIUM BROMIDE (CTAB), A CATIONIC SURFACTANT. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2015;8(3):285-296. Available from: https://sid.ir/paper/146048/en

IEEE: Copy

M. LEILI, GH. ASGARI, A.A. ESKANDARI, L. BORZOOEI, and B. RAMAVANDI, “THE STUDY OF FURFURAL REMOVAL FROM AQUEOUS SOLUTIONS USING ACTIVATED CARBON AND BENTONITE MODIFIED WITH CETYLTRIMETHYLAMMONIUM BROMIDE (CTAB), A CATIONIC SURFACTANT,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 8, no. 3, pp. 285–296, 2015, [Online]. Available: https://sid.ir/paper/146048/en

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