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Recovery of vanadium from hydrodesulfurization waste catalyst using calixresorcinarenes
Green Chemistry Letters and Reviews
Hydrodesulfurization (HDS) waste catalyst is regulated as a hazardous waste because of its substantial metal content. HDS contains (wt.%) 33.4% Al, 6.8% Mo, 3.6% V, 1.5% Co and 0.7% Ni. Therefore, it must be treated for detoxification or for the recovery of these metals as secondary resources. In this work, recovery of metal ions using calixresorcinarenes hydroxamic acid was investigated. The factors affecting the extraction method such as aqueous phase acidity, type of organic solvent,doi:10.1080/17518253.2017.1348543 fatcat:yky5we5nd5cmxkbe7b3ylmih5e