Browsing Exact and Earth Sciences by Author "Umpierre, Alexandre Perez"
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On the extraction of aromatic compounds from hydrocarbons by imidazolium ionic liquids
Cassol, Cláudia Cristiana; Umpierre, Alexandre Perez; Ebeling, Gunter; Ferrera, Bauer Costa; Chiaro, Sandra Shirley Ximeno; Dupont, Jairton (2007) [Journal article]The liquid-liquid equilibrium for the ternary system formed by n-octane and aromatic (alkylbenzenes) and heteroaromatic compounds (nitrogen and sulfur containing heterocyles) and 1-alkyl-3-methylimidazolium ionic liquids ... -
Pd(II)-dissolved in ionic liquids: a recyclable catalytic system for the selective biphasic hidrogenation of dienes to monoenes
Dupont, Jairton; Suarez, Paulo Anselmo Ziani; Umpierre, Alexandre Perez; Souza, Roberto Fernando de (2000) [Journal article]Bis-acetilacetonato de paládio dissolvido no líquido iônico tetrafluoroborato de 1-n-butil-3- metilimidazólio catalisa de forma seletiva a hidrogenação de dienos conjugados e não-conjugados (funcionalizados ou não) às suas ... -
Selective hydrogenation of 1,3-butadiene by transition metal compounds immobilized in 1-butyl-3-methyl imidazolium room temperature ionic liquids
Consorti, Crestina Susi; Umpierre, Alexandre Perez; Souza, Roberto Fernando de; Dupont, Jairton; Suarez, Paulo Anselmo Ziani (2003) [Journal article]Os complexos [Co(acac)2], [Co(acac)3], [Fe(acac)3] e [Ni(acac)2] (acac = acetilacetonato) dissolvidos em tetrafluoroborato de 1-butil-3-metilimidazônio (1), trifluorometanosulfonato de 1- butil-3-metilimidazólio (2) ou ...