Extractive demetalization of Iraqi crude oil by using zeolite A

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Journal of the Turkish Chemical Society Section B: Engineering
Volume:2 Issue:2
Extractive demetalization of Iraqi crude oil by using zeolite A

Extractive demetalization of Iraqi crude oil by using zeolite A

Authors : Luma Mahmood, Mohammad Abid

Pages : 75-86

View : 29 | Download : 6

Publication Date : 2019-11-15

Article Type : Research Paper

Abstract :The feasibility of removal vanadium insert ignore into journalissuearticles values(V); from Iraqi crude oil using zeolite A was investigated. Different operating parameters such as adsorbent loading, vanadium loading, and operating time were studied for their effects on metal removal efficiency. Experimental results of adsorption test show that Langmuir isotherm predicts well the experimental data and the maximum zeolite A uptake of V was 30 mg/g. XRD and EDX analyses revealed the noticeable uptake of zeolite for V. In crude oil, experimental results indicated that for zeolite loading at 1g/100ml oil and within approximately 5 h, the removal efficiencies of V were 60, 45, and 33% at vanadium loadings of 75, 85, and 95 ppm respectively. While at 10, 20, 40, and 50 h the removal efficiency was 68, 75, 78 and 78% for 75 ppm of V loading. The equilibrium concentration of V in crude oil was attained after 40 h of operation. Long term tests revealed the high stability of zeolite A for vanadium removal. Results depict that zeolite A could be advantageous for removal of V in the crude oil hydrotreating units.
Keywords : Vanadium, crude oil, demetalization

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