Desulfurization of AL-Ahdab Crude Oil using Oxidative Processes

Two different oxidative desulfurization strategies based on oxidation/adsorption or oxidation/extraction were evaluated for the desulfurization of AL-Ahdab (AHD) sour crude oil (3.9wt% sulfur content). In the oxidation process, a homogenous oxidizing agent comprising of hydrogen peroxide and formic...

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Main Authors: Neran Khalel Ibrahim, Prof. Dr., Saja Mohsen Jabbar, Ass. Lect.
Format: Article
Language:English
Published: University of Baghdad 2015-07-01
Series:Journal of Engineering
Subjects:
Online Access:http://joe.uobaghdad.edu.iq/index.php/main/article/view/396
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author Neran Khalel Ibrahim, Prof. Dr.
Saja Mohsen Jabbar, Ass. Lect.
author_facet Neran Khalel Ibrahim, Prof. Dr.
Saja Mohsen Jabbar, Ass. Lect.
author_sort Neran Khalel Ibrahim, Prof. Dr.
collection DOAJ
description Two different oxidative desulfurization strategies based on oxidation/adsorption or oxidation/extraction were evaluated for the desulfurization of AL-Ahdab (AHD) sour crude oil (3.9wt% sulfur content). In the oxidation process, a homogenous oxidizing agent comprising of hydrogen peroxide and formic acid was used. Activated carbons were used as sorbent/catalyst in the oxidation/adsorption process while acetonitrile was used as an extraction solvent in the oxidation/extraction process. For the oxidation/adsorption scheme, the experimental results indicated that the oxidation desulfurization efficiency was enhanced on using activated carbon as catalyst/sorbent. The effects of the operating conditions (contact time, temperature, mixing speed and sorbent dose) on the desulfurization efficiency were examined. The desulfurization efficiency measured at the best operating conditions(optimum conditions): 60 , 500rpm, 60min contact time and sorbent dose of 0.7g AC/100 ml AHD crude, was 32.8% corresponding to a sulfur content of 2.6 wt%. Applying the same optimum operating conditions and at 3:1 solvent/oil ratio, the oxidation/extraction method gave comparable desulfurization efficiency of 31.5%.
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spelling doaj.art-aac24d6524334e85b841242adc5bb2a02023-09-03T03:31:45ZengUniversity of BaghdadJournal of Engineering1726-40732520-33392015-07-01217Desulfurization of AL-Ahdab Crude Oil using Oxidative ProcessesNeran Khalel Ibrahim, Prof. Dr.0Saja Mohsen Jabbar, Ass. Lect.1Chemical Engineering Department - University of TechnologyChemical Engineering Department - University of TechnologyTwo different oxidative desulfurization strategies based on oxidation/adsorption or oxidation/extraction were evaluated for the desulfurization of AL-Ahdab (AHD) sour crude oil (3.9wt% sulfur content). In the oxidation process, a homogenous oxidizing agent comprising of hydrogen peroxide and formic acid was used. Activated carbons were used as sorbent/catalyst in the oxidation/adsorption process while acetonitrile was used as an extraction solvent in the oxidation/extraction process. For the oxidation/adsorption scheme, the experimental results indicated that the oxidation desulfurization efficiency was enhanced on using activated carbon as catalyst/sorbent. The effects of the operating conditions (contact time, temperature, mixing speed and sorbent dose) on the desulfurization efficiency were examined. The desulfurization efficiency measured at the best operating conditions(optimum conditions): 60 , 500rpm, 60min contact time and sorbent dose of 0.7g AC/100 ml AHD crude, was 32.8% corresponding to a sulfur content of 2.6 wt%. Applying the same optimum operating conditions and at 3:1 solvent/oil ratio, the oxidation/extraction method gave comparable desulfurization efficiency of 31.5%.http://joe.uobaghdad.edu.iq/index.php/main/article/view/396desulfurization technologies, oxidative desulfurization, adsorption, extraction, activated carbon.
spellingShingle Neran Khalel Ibrahim, Prof. Dr.
Saja Mohsen Jabbar, Ass. Lect.
Desulfurization of AL-Ahdab Crude Oil using Oxidative Processes
Journal of Engineering
desulfurization technologies, oxidative desulfurization, adsorption, extraction, activated carbon.
title Desulfurization of AL-Ahdab Crude Oil using Oxidative Processes
title_full Desulfurization of AL-Ahdab Crude Oil using Oxidative Processes
title_fullStr Desulfurization of AL-Ahdab Crude Oil using Oxidative Processes
title_full_unstemmed Desulfurization of AL-Ahdab Crude Oil using Oxidative Processes
title_short Desulfurization of AL-Ahdab Crude Oil using Oxidative Processes
title_sort desulfurization of al ahdab crude oil using oxidative processes
topic desulfurization technologies, oxidative desulfurization, adsorption, extraction, activated carbon.
url http://joe.uobaghdad.edu.iq/index.php/main/article/view/396
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