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Kamal, M. A.; Naqvi, S. M. D.; Kazimi, S. M. R.; Khan, F.
Petroleum science and technology, 05/2015, Letnik: 33, Številka: 10Journal Article
This study evaluates the possibility of the cyclic use of magnesite by subjecting the reactivated adsorbent to surface area determination and scanning electron microscopy. Both these analyses show that the reactivated adsorbent is comparable to the fresh adsorbent, produced from raw magnesite, in porosity that plays the major role in the removal of noxious substances from spent lubricants. The adsorption ability of the reactivated adsorbent has been further testified through spectroscopic analyses of the percolated oil that exhibit marked decrease in polyaromatic hydrocarbons, metal content, and oxygenates that impart rancid odor in spent lubricants.
