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2018 Volume 9 Issue 3

Adsorption of Lead (II) Ions on Rejuvenated NIMo/γAl2O3 Spent Hydrodesulfurization Catalyst


Aseel Jamal Ahmed, Karim Henikish Hassan, Amer Fadhel Dawood
Abstract
Spent NiMo/γA₂O₃ hydrodesulfurization catalyst was regevenated using n-hexane to remove the soluble coke and the oxalic acid to remove the foulant elements and insoluble coke by calcinating it at under the temperature of 500οC for 4 hr. It was then structurally charactrized using AFM techniques, and finally, the lead ion was separated from its aquoues solution via the adsorption batch method with varying concentrations of the lead ions, and then, the absorption efficiency was calculated. The results indicated that the removal efficiency of more than 99% was resulted when the rejuvenated NiMo/Al₂O₃ catalysts were used, compared with 51 % removal when a none rejuvenated one was used.

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JOURNAL OF BIOCHEMICAL TECHNOLOGY
JOURNAL OF BIOCHEMICAL TECHNOLOGY
Journal of Biochemical Technology is a double-blind peer reviewed International Journal published by the Deniz Publication on behalf of the Biochemical Technology Society, a Registered Charity Organization from India

AREA OF INTEREST
AREA OF INTEREST
new advances in enzymatic and protein mechanims; applied molecular genetics and biotechnology; genomics and proteomics; metabolic; medical, environmental, food and agro biotechnology.

FOCUS AND SCOPE
FOCUS AND SCOPE
Journal Of Biochemical Technology Provides A Medium For The Rapid Publication Of Full-Length Articles, Mini-Reviews Of New And Emerging Products And Short Communications On All Aspects Of ...

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This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Keywords include, Biochemical Research: Endo/exocytosis, Trafficking, Membrane Biology, Cell Migration, Cell-Matrix Organelle Biogenesis, Cytoskeleton Proteolysis, Cell Death, Cell Cycle, Cancer, Cell Growth/Death, Differentiation, Drug Targets, Gene Therapy, Models of Disease, Proteomics, Stem Cells, Bioenergetics, Mitochondria, Free Radicals, Redox Signaling, Ion Transport/Channels, Oxidative