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Mostrando ítems 21-30 de 77
Preparación de catalizadores basados en óxidos metálicos de Ni-Me (Me=Fe, Co, Nb) sobre γ-Al2O3 para la deshidrogenación oxidativa del etano a etileno
(Universidad Nacional de IngenieríaPE, 2024)
Avalia??o cin?tica e potencial do Nb2O5 obtido a partir de um complexo de ni?bio para forma??o do oleato de metila atrav?s da rea??o de esterifica??o do ?cido oleicoEvaluation of the kinetic and potential Nb2O5 obtained from a niobium complex to the formation of methyl oleate by esterification of oleic acid
(Universidade Federal do Rio Grande do NorteBrasilNatal - CentralOutroOutroUFRN, 2017)
Síntese de catalisadores baseados em silicatos mesoporosos contendo ferro ou nióbio para uso em sistemas catalíticos heterogêneos
(Universidade Federal de Minas GeraisUFMG, 2013-12-03)
This thesis deals with the development of new materials based on mesoporous silicate, modified with iron and niobium atoms, for use in catalytic processes. The focus of this work was to develop mesoporous materials with ...
SiO2/Nb2O5 sol-gel as a support for HRP immobilization in biosensor preparation for phenol detection
(Pergamon-elsevier Science LtdOxfordInglaterra, 2002)
Degradação fotocatalítica de corantes têxteis reativos utilizando catalisadores suportados em zeólitaPhotocatalytic degradation of reactive textile dyes
(Universidade Estadual de MaringáBrasilDepartamento de Engenharia QuímicaPrograma de Pós-Graduação em Engenharia QuímicaUEMMaringá, PRCentro de Tecnologia, 2018)
Use of tangerine peel extracts for the synthesis of magnetic nanocatalysts applied to the degradation of paracetamol
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilPrograma de Pós-Graduação em Engenharia QuímicaUTFPR, 2021-02-12)
This study describes the synthesis of an innovative nanomaterial (patent application number BR 1020210000317) composed of cobalt ferrite functionalized in niobium pentoxide CoFe2O4@Nb5O2 synthesized by green synthesis using ...
A new catalyst material based on niobia/iron oxide composite on the oxidation of organic contaminants in water via heterogeneous Fenton mechanisms
(Elsevier Science, 2007-01)
The present work describes the preparation of novel materials based on niobia (Nb2O5)/iron oxides and their use as catalyst on oxidizing reactions of organic compounds in aqueous medium with hydrogen peroxide. These new ...
Síntese hidrotermal de catalisadores nanoestruturados de nióbio aplicados na conversão de frutose, glicose, glicerina e na degradação de contaminantes orgânicos
(Universidade Federal de Minas GeraisUFMG, 2017-08-18)
This work reports the synthesis of two new classes of catalysts based on niobium and their application in both the conversion of molecules from biomass and the oxidation of organic contaminants. The first class was synthesized ...