Browsing Exact and Earth Sciences by Author "Pavan, Flávio André"
Now showing items 1-7 of 7
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Activated carbon obtained from sapelli wood sawdust by microwave heating for o-cresol adsorption
Thue, Pascal Silas; Reis, Glaydson Simões dos; Lima, Éder Cláudio; Sieliechi, Joseph Marie; Dotto, Guilherme Luiz; Wamba, Alfred Giresse Ndi; Dias, Silvio Luis Pereira; Pavan, Flávio André (2017) [Journal article]Activated carbon (AC) was prepared from sapelli wood sawdust using a microwave heating process. The biomass was mixed with inorganic components (lime + ZnCl2 and FeCl3) to form a homogeneous paste. The AC samples are denoted ... -
Cationic dyes immobilized on cellulose acetate surface modified with titanium dioxide : factorial design and an application as sensor for NADH
Hoffmann, Andrea Anilda; Dias, Silvio Luis Pereira; Benvenutti, Edilson Valmir; Lima, Éder Cláudio; Pavan, Flávio André; Rodrigues, Jordana Roider; Scotti, Rodrigo; Ribeiro, Emerson Schwingel; Gushikem, Yoshitaka (2007) [Journal article]As propriedades eletroquímicas dos corantes catiônicos, azul de meldola e azul de toluidina, imobilizados na superfície do acetato de celulose modificado com dióxido de titânio foram investigadas por voltametria cíclica. ... -
Conversion of Eragrostis plana Nees leaves to activated carbon by microwave-assisted pyrolysis for the removal of organic emerging contaminants from aqueous solutions
Cunha, Mariene Rochefort; Lima, Éder Cláudio; Cimirro, Nilton Fabiano Gelos Mendes; Thue, Pascal Silas; Dias, Silvio Luis Pereira; Gelesky, Marcos Alexandre; Dotto, Guilherme Luiz; Reis, Glaydson Simões dos; Pavan, Flávio André (2018) [Journal article]Eragrostis plana Nees leaves, abundant lignocellulosic biomass, was used as carbon source for preparation of activated carbon, by using microwave-assisted pyrolysis and chemical activation. The novel activated carbon (MWEPN) ... -
Extração de Al(III), Cr(III) e Fe(III) de meio etanólico usando o xerogel anilinapropilsílica
Pavan, Flávio André; Costa, Tania Maria Haas; Benvenutti, Edilson Valmir (2004) [Journal article]In this study, the preparation of the xerogel anilinepropylsilica is reported. The ability of the xerogel for extracting Al(III), Cr(III) and Fe(III) from ethanol was investigated at 25 ºC. The xerogel adsorption capacities ... -
Giombo persimmon seed (GPS) an alternative adsorbent for the removal Toluidine Blue dye from aqueous solutions
Bretanha, Marilice Silveira; Dotto, Guilherme Luiz; Vaghetti, Júlio César Pacheco; Dias, Silvio Luis Pereira; Lima, Éder Cláudio; Pavan, Flávio André (2016) [Journal article]Giombo persimmon seeds (GPS) (Diospyrus kaki L) were used as a novel low-cost adsorbent for the removal of Toluidine Blue dye (TB) from aqueous solution by batch contact adsorption mode at 25°C. The GPS adsorbent was ... -
Methylene blue immobilized on cellulose acetate with titanium dioxide: an application as sensor for ascorbic acid
Hoffmann, Andrea Anilda; Dias, Silvio Luis Pereira; Rodrigues, Jordana Roider; Pavan, Flávio André; Benvenutti, Edilson Valmir; Lima, Éder Cláudio (2008) [Journal article]Neste trabalho, o corante azul de metileno foi imobilizado na superfície do acetato de celulose modificado com dióxido de titânio produzindo um material híbrido sólido denominado de CA-TiO2MB. O experimento produziu uma ... -
Planejamento estatístico de experimentos como uma ferramenta para otimização das condições de biossorção de Cu(II) em batelada utilizando-se casca de nozes pecã como biossorvente
Brasil, Jorge de Lima; Vaghetti, Júlio César Pacheco; Royer, Betina; Santos Júnior, Araci Araújo dos; Simon, Nathália Marcolin; Pavan, Flávio André; Dias, Silvio Luis Pereira; Lima, Éder Cláudio (2007) [Journal article]In order to reduce the total number of experiments for achieving the highest amount of adsorbed Cu2+ (qmax) using pecan nutshells (Carya illinoensis) as biosorbent, a full 24 factorial design with two central points was ...