dc.contributor | Farias, Robson Fernandes de | |
dc.contributor | | |
dc.contributor | http://lattes.cnpq.br/8178424963580175 | |
dc.contributor | | |
dc.contributor | http://lattes.cnpq.br/6868773742105583 | |
dc.contributor | Silva, Ademir Oliveira da | |
dc.contributor | | |
dc.contributor | http://lattes.cnpq.br/3511004608337461 | |
dc.contributor | Silva, Ana Lúcia Rodrigues da | |
dc.contributor | | |
dc.contributor | http://lattes.cnpq.br/3799043971887247 | |
dc.contributor | Bezerra, Cícero Wellington Brito | |
dc.contributor | | |
dc.contributor | http://lattes.cnpq.br/1474300723265204 | |
dc.contributor | Dantas, Deyse de Souza | |
dc.contributor | | |
dc.contributor | http://lattes.cnpq.br/3229830569545582 | |
dc.contributor | Silva, Rui Carlos Barros da | |
dc.contributor | | |
dc.contributor | http://lattes.cnpq.br/4581242801952845 | |
dc.creator | Miranda, Jose Carlos Vieira de | |
dc.date.accessioned | 2014-01-02 | |
dc.date.accessioned | 2014-12-17T15:42:21Z | |
dc.date.accessioned | 2022-10-06T14:26:31Z | |
dc.date.available | 2014-01-02 | |
dc.date.available | 2014-12-17T15:42:21Z | |
dc.date.available | 2022-10-06T14:26:31Z | |
dc.date.created | 2014-01-02 | |
dc.date.created | 2014-12-17T15:42:21Z | |
dc.date.issued | 2013-07-31 | |
dc.identifier | MIRANDA, Jose Carlos Vieira de. Adsorção dos gases NH3, NO e H2S em fosfato de vanadila, hidrogeno fosfato de vanadila e fosfatos de vanadila dopados por Al, Co, Mn e Cr. 2013. 183 f. Tese (Doutorado em Físico-Química; Química) - Universidade Federal do Rio Grande do Norte, Natal, 2013. | |
dc.identifier | https://repositorio.ufrn.br/jspui/handle/123456789/17770 | |
dc.identifier.uri | http://repositorioslatinoamericanos.uchile.cl/handle/2250/3977160 | |
dc.description.abstract | In this work were synthesized the materials called vanadyl phosphate, hydrogen
vanadyl phosphate and vanadyl phosphate doped by transition metals with the aim in
adsorption the following compounds: ammonia, hydrogen sulfide and nitrogen oxide. To
characterize the starting compounds was used DRX, FTIR, FRX and TG analysis. After the
characterization of substrates, proceeded de adsorption of NH3 and H2S gases in reactor,
passing the gases with continuous flow for 30 min and room temperature. Gravimetric data
indicate that the matrices of higher performance in adsorption of ammonia was those doped
by aluminum and manganese, obtaining results of 216,77 mgNH3/g and 200,40 mgNH3/g of
matrix, respectively. The matrice of higher performance in adsorption of hydrogen sulfide
was that doped by manganese, obtaining results of 86,94 mgH2S/g of matrix. The synthesis of
substrates VOPO4.2H2O and MnVOPO4.2H2O with nitrogen oxide was made in solution,
aiming the final products VOPO4.G.nH2O and MnVOPO4.G.nH2O (G = NO and n = number
of water molecules). The thermo analytical behavior and the infrared spectroscopy are
indicative of formation of VOPO4.2,5NO.3H2O compound. Results of scanning electron
microscopy (SEM) and Energy dispersive spectroscopy (EDS) of materials vanadyl phosphate
and vanadyl phosphate modified after reaction in solid state or in solution with the gases show
morphology changes in substrates, beyond the formation of orthorhombic sulfur crystals over
their respective hosts when these adsorb hydrogen sulfide | |
dc.publisher | Universidade Federal do Rio Grande do Norte | |
dc.publisher | BR | |
dc.publisher | UFRN | |
dc.publisher | Programa de Pós-Graduação em Química | |
dc.publisher | Físico-Química; Química | |
dc.rights | Acesso Aberto | |
dc.subject | Adsorção. Fosfato de vanadila. Amônia. Óxido de nitrogênio. Sulfeto de hidrogênio | |
dc.subject | Adsorption. Vanadyl Phosphate. Ammonia. Nitrogen oxide. Hydrogen sulfide | |
dc.title | Adsorção dos gases NH3, NO e H2S em fosfato de vanadila, hidrogeno fosfato de vanadila e fosfatos de vanadila dopados por Al, Co, Mn e Cr | |
dc.type | doctoralThesis | |