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Roberto de Freitas Neves
Roberto de Freitas Neves
Professor de Engenharia Química Universidade Federal do Pará
Verified email at ufpa.br
Title
Cited by
Cited by
Year
Utilização de rejeito de caulim da Amazônia na síntese da zeólita A
AAB Maia, E Saldanha, RS Angélica, CAG Souza, RF Neves
Cerâmica 53, 319-324, 2007
103*2007
Use of 29Si and 27Al MAS NMR to study thermal activation of kaolinites from Brazilian Amazon kaolin wastes
AÁB Maia, RS Angélica, R de Freitas Neves, H Pöllmann, C Straub, ...
Applied Clay Science 87, 189-196, 2014
902014
Caracterização mineralógica e geoquímica e estudo das transformações de fase do caulim duro da região do Rio Capim, Pará
BS Carneiro, RS Angélica, T Scheller, EAS De Castro, RF Neves
Cerâmica 49, 237-244, 2003
742003
Synthesis and characterization of zeolite NaP using kaolin waste as a source of silicon and aluminum
EA Hildebrando, CGB Andrade, CAF Rocha Junior, RS Angélica, ...
Materials Research 17, 174-179, 2014
732014
Síntese hidrotermal de sodalita básica a partir de um rejeito de caulim termicamente ativado
SPA Paz, RS Angélica, RF Neves
Química Nova 33, 579-583, 2010
622010
Estabilidade térmica da zeólita A sintetizada a partir de um rejeito de caulim da Amazônia
AAB Maia, RS Angélica, RF Neves
Cerâmica 54, 345-350, 2008
612008
Thermal behavior and evolution of the mineral phases of Brazilian red mud
JM Rivas Mercury, AA Cabral, AEM Paiva, RS Angélica, RF Neves, ...
Journal of Thermal Analysis and Calorimetry 104 (2), 635-643, 2011
562011
Synthesis, optimisation and characterisation of the zeolite NaA using kaolin waste from the Amazon Region. Production of Zeolites KA, MgA and CaA
AÁB Maia, RF Neves, RS Angélica, H Pöllmann
Applied Clay Science 108, 55-60, 2015
522015
Influence of an aging step on the synthesis of zeolite NaA from Brazilian Amazon kaolin waste
AÁB Maia, RN Dias, RS Angélica, RF Neves
Journal of Materials Research and Technology 8 (3), 2924-2929, 2019
482019
Use of industrial kaolin waste from the Brazilian Amazon region for synthesis of zeolite A
AAB Maia, RS Angélica, RF Neves
Clay Minerals 46 (1), 127-136, 2011
452011
Síntese de zeólita do tipo faujasita a partir de um rejeito de caulim
EA Hildebrando, RS Angélica, RF Neves, FR Valenzuela-Diaz
Cerâmica 58, 453-458, 2012
422012
Supercritical adsorption of buriti oil (Mauritia flexuosa Mart.) in γ-alumina: A methodology for the enriching of anti-oxidants
MAE Cunha, RF Neves, JNS Souza, LF França, ME Araújo, G Brunner, ...
The Journal of Supercritical Fluids 66, 181-191, 2012
382012
Síntese de zeólitas a partir de cinza volante de caldeiras: caracterização física, química e mineralógica
CAF Rocha Junior, SCA Santos, CAG Souza, RS Angélica, RF Neves
Cerâmica 58, 43-52, 2012
38*2012
Dissolution kinetics of Amazonian metakaolin in hydrochloric acid
PEA Lima, RS Angélica, RF Neves
Clay Minerals 52 (1), 75-82, 2017
372017
Dissolution kinetics of metakaolin in sulfuric acid: comparison between heterogeneous and homogeneous reaction methods
PEA Lima, RS Angélica, RF Neves
Applied Clay Science 88, 159-162, 2014
372014
Application of bauxite waste from Amazon region in the heavy clay industry
EA Hildebrando, JAS Souza, RS Angélica, RF Neves
Materials Research 16, 1418-1422, 2013
352013
A sequential Box-Behnken Design (BBD) and Response Surface Methodology (RSM) to optimize SAPO-34 synthesis from kaolin waste
DR Pinheiro, RF Neves, SPA Paz
Microporous and Mesoporous Materials 323, 111250, 2021
272021
Industrial kaolin waste as raw material in the synthesis of the SAPO-34 molecular sieve
DR Pinheiro, LR Gonçalves, RLP Sena, MC Martelli, RF Neves, ...
Materials Research 23, e20200043, 2020
212020
Color and shade parameters of ultramarine zeolitic pigments synthesized from kaolin waste
RA Menezes, SPA Paz, RS Angélica, RF Neves, SBC Pergher
Materials Research 17, 23-27, 2014
212014
Mineralogical and geochemical characterization of the hard kaolin from the Capim region, Pará, northern Brazil
BS Carneiro, RS Angélica, T Scheller, EAS de Castro, RF Neves
Cerâmica 49, 237-244, 2003
212003
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