ADSORPTIVE DESULFURIZATION OF DIBENZOTHIOPHENE BY COMMERCIAL ACTIVATED CARBON: INFLUENCE OF OPERATIONAL PARAMETERS

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REZAIE S.; SHOKRI M.

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Seminar Paper

Paper Information

Seminar: SEMINAR OF CHEMISTRY AND ENVIRONMENT
Year:2015 | Issue:7

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Title

ADSORPTIVE DESULFURIZATION OF DIBENZOTHIOPHENE BY COMMERCIAL ACTIVATED CARBON: INFLUENCE OF OPERATIONAL PARAMETERS

Author(s)

REZAIE S. | SHOKRI M. | Issue Writer Certificate

Keywords

ADSORPTION

DIBENZOTHIOPHENE

ACTIVATED CARBON

DESULFURIZATION

Abstract

REMOVAL OF ORGANOSULFUR COMPOUNDS FROM LIQUID HYDROCARBON FUELS HAS BECOME THE MOST IMPORTANT RESPONSIBILITY OF CURRENT PETROLEUM REFINERIES [1].SULFUR COMPOUNDS ARE THE MAIN OBSTRUCTION IN REDUCING THE AIR POLLUTION WITHOUT THEIR REMOVAL FROM FUELS [2]. ADSORPTION OF SULFUR COMPOUNDS BY POROUS MATERIALS IS AN EFFECTIVE WAY TO PRODUCE CLEANER DIESEL FUEL.VARIOUS DESULFURIZATION TECHNIQUES LIKE HYDRODESULPHURIZATION (HDS), OXIDATIVE DESULFURIZATION, BIO-DESULFURIZATION, AND ADSORPTIVE DESULFURIZATION ARE BEING INVESTIGATED WORLD OVER TO PRODUCE ULTRA CLEAN FUELS. ADSORPTIVE DESULFURIZATION USING POROUS MATERIALS IS AN ATTRACTIVE WAY FOR ACCOMPLISHING THE ULTRA-DEEP DESULFURIZATION OF LIQUID HYDROCARBON FUELS.IN THIS STUDY, THE ADSORPTION BEHAVIOR OF DIBENZOTHIOPHENE(DBT) ON COMMERCIAL ACTIVATED CARBON (CAC) AS AN ADSORBENT FOR THE REMOVAL OF SULFUR FROM MODEL OIL (DBT DISSOLVED IN ISO-OCTANE)WAS INVESTIGATED. EFFECTIVE PARAMETERS SUCH AS INITIAL CONCENTRATION (C0: 100, 200, 300, 400, 500 PPM), ADSORBENT DOSAGE (0.1, 0.15, 0.2, 0.3 G), TIME OF ADSORPTION (2–60 MIN) ANDSTIRRING SPEED (50, 75, 100, 200 RPM) AT ROOM TEMPERATURE WERE STUDIED. THE RESULTS SHOWED THAT THE REMOVAL OF DBT WILL RISE BY AN INCREASE IN THE DOSAGE OF ABSORBENT FROM 0.1 UP TO 0.3 G. THIS FACT RESULTS IN DEVELOPING THE SURFACE AREA AND THE ADSORPTION SITES THAT ARE AVAILABLE FOR SULFUR COMPOUNDS. FOR THE ABSORBENT DOSAGES HIGHER THAN 0.3 G, THE REMOVAL EFFICIENCY REMAINED CONSTANT. AT THE SPECIFIC REACTION TIME, THE REMOVAL OF DBT WILL DECREASE BY AN INCREASE IN THE INITIAL CONCENTRATION OF DBT. FURTHERMORE, ENHANCING THE STIRRING SPEED FROM 50 RPM UP TO 100 RPM WILL RAISE THE ADSORPTION CAPACITY OF CARBON. ACCORDING TO THE RESULTS, IT IS CONCLUDED THAT THE HIGHEST REMOVAL PERCENT OF DBT BY CAC WAS ABOUT 85% DURING 60 MIN OF REACTION (DBTINITIAL CONCENTRATION=500 PPM; ADSORBENT DOSAGE=0.3 G).

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APA: Copy

REZAIE, S., & SHOKRI, M.. (2015). ADSORPTIVE DESULFURIZATION OF DIBENZOTHIOPHENE BY COMMERCIAL ACTIVATED CARBON: INFLUENCE OF OPERATIONAL PARAMETERS. SEMINAR OF CHEMISTRY AND ENVIRONMENT. SID. https://sid.ir/paper/910709/en

Vancouver: Copy

REZAIE S., SHOKRI M.. ADSORPTIVE DESULFURIZATION OF DIBENZOTHIOPHENE BY COMMERCIAL ACTIVATED CARBON: INFLUENCE OF OPERATIONAL PARAMETERS. 2015. Available from: https://sid.ir/paper/910709/en

IEEE: Copy

S. REZAIE, and M. SHOKRI, “ADSORPTIVE DESULFURIZATION OF DIBENZOTHIOPHENE BY COMMERCIAL ACTIVATED CARBON: INFLUENCE OF OPERATIONAL PARAMETERS,” presented at the SEMINAR OF CHEMISTRY AND ENVIRONMENT. 2015, [Online]. Available: https://sid.ir/paper/910709/en

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