EFFECTIVE PARAMETERS OF ADSORPTION OF ASPHALTENES FROM TOLUENE ON MINERAL SURFACE LECA, PERLITE AND BENTONITE

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VEISI SAMIRA; SHADMAN MOHAMMADMAHDI; AHMDI SAEB

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Journal: PETROLEUM RESEARCH Year:2017 | Volume:27 | Issue:93 Page(s): 134-145

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Title

EFFECTIVE PARAMETERS OF ADSORPTION OF ASPHALTENES FROM TOLUENE ON MINERAL SURFACE LECA, PERLITE AND BENTONITE

Author(s)

VEISI SAMIRA | SHADMAN MOHAMMADMAHDI | AHMDI SAEB | Issue Writer Certificate

Keywords

ASPHALTENESQ2

ADSORPTION ISOTHERMQ2

LECAQ2

PERLITEQ2

BENTONITEQ2

Abstract

This paper presents the feasibility (or possibility) of removal of ASPHALTENES from aqueous solutions by using low-cost natural adsorbents; such as, light expanded clay aggregate (LECA), PERLITE and BENTONITE. The effect of adsorbent type, initial asphaltene concentration, particle size of adsorbent and temperature on the adsorption capacity was investigated. The results showed that at the initial asphaltene concentration of 125 mg L1-, contact time of 24 hrs, temperature of °50C and adsorbent dosage of 1 g, removal of ASPHALTENES onto LECA, PERLITE and BENTONITE was 53.59, 93.01 and %99.77, respectively. Also, Langmuir and Freundlich models were applied to describe the experimental data; moreover, the results indicated a good fitting by Langmuir isotherm. Thermodynamic parameters; such as, DH, DS and DG were calculated. It was revealed that the adsorption was spontaneous and exothermic nature, which was evident by decreasing the randomness of the dye at the solid and liquid interfaces. The characteristic results and the dimensionless separation factor (RL) showed that PERLITE and BENTONITE could be employed as an alternative to commercial adsorbents in the removal of ASPHALTENES from aqueous solution and oil.

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APA: Copy

VEISI, SAMIRA, SHADMAN, MOHAMMADMAHDI, & AHMDI, SAEB. (2017). EFFECTIVE PARAMETERS OF ADSORPTION OF ASPHALTENES FROM TOLUENE ON MINERAL SURFACE LECA, PERLITE AND BENTONITE. PETROLEUM RESEARCH, 27(93 ), 134-145. SID. https://sid.ir/paper/114880/en

Vancouver: Copy

VEISI SAMIRA, SHADMAN MOHAMMADMAHDI, AHMDI SAEB. EFFECTIVE PARAMETERS OF ADSORPTION OF ASPHALTENES FROM TOLUENE ON MINERAL SURFACE LECA, PERLITE AND BENTONITE. PETROLEUM RESEARCH[Internet]. 2017;27(93 ):134-145. Available from: https://sid.ir/paper/114880/en

IEEE: Copy

SAMIRA VEISI, MOHAMMADMAHDI SHADMAN, and SAEB AHMDI, “EFFECTIVE PARAMETERS OF ADSORPTION OF ASPHALTENES FROM TOLUENE ON MINERAL SURFACE LECA, PERLITE AND BENTONITE,” PETROLEUM RESEARCH, vol. 27, no. 93 , pp. 134–145, 2017, [Online]. Available: https://sid.ir/paper/114880/en

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