José J.M. Órfão spends much of his time researching Catalysis, Inorganic chemistry, Activated carbon, Adsorption and Carbon. The concepts of his Catalysis study are interwoven with issues in Carbon nanotube, Oxygen and Mineralization. His biological study spans a wide range of topics, including Aniline, Reactive dye and Catalytic oxidation.
His Activated carbon study introduces a deeper knowledge of Organic chemistry. His work investigates the relationship between Adsorption and topics such as Thermal treatment that intersect with problems in Dye molecule and Cationic polymerization. José J.M. Órfão brings together Carbon and Spectral line to produce work in his papers.
His primary areas of study are Catalysis, Inorganic chemistry, Activated carbon, Carbon and Adsorption. José J.M. Órfão has included themes like Oxalic acid, Carbon nanotube and Mineralization in his Catalysis study. His Inorganic chemistry research incorporates themes from Bimetallic strip, Oxide, Catalytic oxidation and Nitrogen.
His Activated carbon course of study focuses on Ozone and Sulfur. When carried out as part of a general Carbon research project, his work on Carbon nanofiber is frequently linked to work in Filamentous carbon, therefore connecting diverse disciplines of study. His work deals with themes such as Peroxide, Hydrogen peroxide and Nuclear chemistry, which intersect with Adsorption.
His scientific interests lie mostly in Catalysis, Cellulose, Adsorption, Carbon and Carbon nanotube. Organic chemistry covers José J.M. Órfão research in Catalysis. His research in Adsorption intersects with topics in Inorganic chemistry, Ethyl acetate and Nuclear chemistry.
His primary area of study in Inorganic chemistry is in the field of Cerium. He has included themes like Coke, Oxidative phosphorylation, Raman spectroscopy and Glycerol in his Carbon study. His work in Bromate covers topics such as Titanium dioxide which are related to areas like Activated carbon.
José J.M. Órfão mainly focuses on Catalysis, Adsorption, Inorganic chemistry, Cellulose and Sorbitol. His Catalysis research integrates issues from Activated carbon, Ethyl acetate, Carbon nanotube and Nuclear chemistry. His Activated carbon research is multidisciplinary, relying on both Heterogeneous catalysis, Bimetallic strip, Carbon and Nickel.
The various areas that José J.M. Órfão examines in his Adsorption study include Oxide, Cobalt, Oxygen, Atomic ratio and Catalytic oxidation. His study of Cerium is a part of Inorganic chemistry. His Sorbitol research is multidisciplinary, incorporating perspectives in Polymer chemistry, Thermogravimetry, Crystallinity, Tissue paper and Cellulosic ethanol.
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Modification of the surface chemistry of activated carbons
J.L Figueiredo;M.F.R Pereira;M.M.A Freitas;J.J.M Órfão.
Pyrolysis kinetics of lignocellulosic materials—three independent reactions model
J.J.M. Orfão;F.J.A. Antunes;J.L. Figueiredo.
Adsorption of anionic and cationic dyes on activated carbons with different surface chemistries.
P.C.C Faria;J.J.M Órfão;M.F.R Pereira.
Water Research (2004)
Adsorption of dyes on activated carbons: influence of surface chemical groups
Manuel Fernando R Pereira;Samanta F Soares;José J.M Órfão;José L Figueiredo.
The role of lattice oxygen on the activity of manganese oxides towards the oxidation of volatile organic compounds
V.P. Santos;M.F.R. Pereira;J.J.M. Órfão;J.L. Figueiredo.
Applied Catalysis B-environmental (2010)
Adsorption of a reactive dye on chemically modified activated carbons—Influence of pH
J.J.M. Órfão;A.I.M. Silva;J.C.V. Pereira;S.A. Barata.
Journal of Colloid and Interface Science (2006)
Adsorption of simple aromatic compounds on activated carbons.
Francisco Villacañas;Manuel Fernando R. Pereira;José J.M. Órfão;José L. Figueiredo.
joint international conference on information sciences (2006)
Characterization of Active Sites on Carbon Catalysts
José L. Figueiredo;Manuel F. R. Pereira;Maria M. A. Freitas;José J. M. Orfao.
Industrial & Engineering Chemistry Research (2007)
Activated carbon catalytic ozonation of oxamic and oxalic acids
P.C.C. Faria;J.J.M. Órfão;M.F.R. Pereira.
Applied Catalysis B-environmental (2008)
Oxidative dehydrogenation of ethylbenzene on activated carbon catalysts. I. Influence of surface chemical groups
M.F.R. Pereira;J.J.M. Órfão;J.L. Figueiredo.
Applied Catalysis A-general (1999)
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