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ARPN Journal of Science and Technology >> Volume 7, Issue 1, January 2017

ARPN Journal of Science and Technology


Performance of Natural Zeolites in the Removal of Metal Ions from Crude Oil

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Author Rose E. Ikyereve, Abubakar Mohammed, Chindo Nwankwo
ISSN 2225-7217
On Pages 141-144
Volume No. 4
Issue No. 3
Issue Date April 01, 2014
Publishing Date April 01, 2014
Keywords natural zeolite, clinoptilolite, philipsite, chabasite, nickel, vanadium, sulfur, crude oil



Abstract

The removal efficiencies of different natural zeolite materials for the selective removal of metal ions from crude oil were investigated. Three natural zeolite materials were used for the study; clinoptilolite, aluminum phillipsite and chabazite. The study was particularly focused on the metals that cause problems during processing of crude oil (nickel, vanadium and sulphur). The result shows that, clinoptilolite is efficient for the removal of nickel and sulfur at concentrations of 0.023ppm and 36.582ppm respectively. Aluminum phillipsite showed removal of vanadium and sulfur at concentrations of 0.2279ppm and 58.068ppm respectively, while chabazite was unable to remove any of the metal ions. The study thus showed the selectivity of the natural zeolites for the different metal ions, while one zeolite is good for the removal of a particular metal ion from the crude oil, the other is not, except for sulfur.


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