2013
DOI: 10.1016/j.fuel.2012.09.005
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Leaching of heavy metals under ambient resembling conditions from hydrotreating spent catalysts

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Cited by 11 publications
(2 citation statements)
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“…Whereas inorganic acids, alkalis, salt reagents and their combinations have been widely investigated as leaching agents Parhi et al, 2013;Park et al, 2012;Ramirez et al, 2013), only a few studies (Mulak et al, 2006;Szymczycha-Madeja, 2011) have investigated the effects of oxalic acid (H 2 C 2 O 4 ) combined with H 2 O 2 on the leaching of Mo and Ni from spent catalysts. In Szymczycha-Madeja's work, the leaching kinetics of Mo, Ni, V and Al from a spent hydrodesulfurization catalyst in a solution containing H 2 C 2 O 4 and H 2 O 2 was investigated, but according to the experimental results, the leaching efficiencies of the metals were not high.…”
Section: Introductionmentioning
confidence: 99%
“…Whereas inorganic acids, alkalis, salt reagents and their combinations have been widely investigated as leaching agents Parhi et al, 2013;Park et al, 2012;Ramirez et al, 2013), only a few studies (Mulak et al, 2006;Szymczycha-Madeja, 2011) have investigated the effects of oxalic acid (H 2 C 2 O 4 ) combined with H 2 O 2 on the leaching of Mo and Ni from spent catalysts. In Szymczycha-Madeja's work, the leaching kinetics of Mo, Ni, V and Al from a spent hydrodesulfurization catalyst in a solution containing H 2 C 2 O 4 and H 2 O 2 was investigated, but according to the experimental results, the leaching efficiencies of the metals were not high.…”
Section: Introductionmentioning
confidence: 99%
“…However, their reclamation from different spent catalysts (SCs) has been examined using hydrometallurgical and pyro-hydrometallurgical techniques [4][5][6][7] . There are different techniques, such as roasting followed by leaching, baking in acid followed by leaching and direct leaching, have been employed for their recovery [8][9][10][11][12][13][14][15][16][17][18][19][20] . Also bioleaching has been tried [21][22][23][24][25][26][27][28][29][30] .…”
mentioning
confidence: 99%