Browsing by Author "Fernandes, J.B."

Activated Carbons for Environmental Applications

Martins, Sabina

Adsorption behavior of methylene blue on glycerol based carbon materials

Narvekar, A.A.; Fernandes, J.B.; Tilve, S.G. (Journal of Environmental Chemical Engineering. 6(2); 2018; 1714-1725.)

A glycerol based carbon was synthesized by partial carbonization of glycerol using concentrated H2SO4 in the molar ratio 1:4. The carbonized material was further treated at 120 degrees C and 350 degrees C to obtain the ...

Ammonolysis of ethanol on pure and zinc oxide modified HZSM-5 zeolites

Naik, S.P.; Fernandes, J.B. (Applied Catalysis A-General. 205(1and2); 2001; 195-199.)

Reaction between ethanol and ammonia have been studied on various zinc oxide modified HZSM-5 (Si/Al=225) catalysts under various conditions of temperature, C/N ratio of the reactants and their WHSV. Two pure zinc oxides ...

Carbon supports for methanol oxidation catalyst

Samant, P.V.; Rangel, C.M.; Romero, M.H.; Fernandes, J.B.; Figueiredo, J.L. (Journal of Power Sources. 151; 2005; 79-84.)

Highly mesoporous carbon was synthesized employing conventional sol-gel technique using resorcinol and formaldehyde. The porous carbon electrodes were characterized by X-ray powder diffraction, N-2, adsorption isotherm, ...

Carbon xerogel supported Pt and Pt-Ni catalysts for electro-oxidation of methanol in basic medium

Samant, P.V.; Fernandes, J.B.; Rangel, C.M.; Figueiredo, J.L. (Catalysis Today. 102; 2005; 173-176.)

Highly mesoporous carbon was obtained by carbonization of a polymer xerogel previously synthesized via sol-gel condensation of resorcinol and formaldehyde. The investigation describes electro-oxidation of methanol in ...

Catalysts for Ammonolysis of C4 Aliphatic Alcohols

Kakodkar, Sachin Bhavani

Catalysts for Electro-Oxidation of Methanol

Samant, Purnakala V.

Catalysts for Methylation of Phenol

Gandhe, Aditi R.

Catalytic activity of copper Y zeolite towards dehydration of tertiary butyl alcohol

Kakodkar, S.B.; Naik, S.P.; Krishnaswamy N.; Fernandes, J.B. (Recent Advances In Basic and Applied Aspects of Industrial Catalysis, Ed. by: T.S.R. PrasadaRao and G. Murali Dhar. Studies in Surface Science and Catalysis Series. Elsevier. 1998; 729-735.)

Reduced and unreduced copper Y zeolites are prepared from sodium Y zeolites (NaY) and their catalytic activity towards dehydration of tertiary butyl alcohol (t-BuOH) is evaluated in relation to pure NaY and HY zeolites. ...

Catalytic oxidation of benzyl alcohol by Al3+ doped manganese oxide of the type OMS-2 using molecular oxygen or air

Rebello, J.S.; Naik, S.P.; Fernandes, J.B. (Indian Journal of Chemistry Section A-Inorganic Bio-Inorganic Physical Theoretical and Analytical Chemistry. 43(8); 2004; 1676-1679.)

The oxidation of benzyl alcohol to benzaldehyde using molecular oxygen over manganese oxides of the type OMS-2 is reported. It is observed that Al3+- doped OMS-2 has significantly higher activity (similar to 58 percent) ...

Catalytic Properties of ZnO and ZnO Modified HZSM-5 Zeolite

Naik, Sajo P.

Catalyzed thermal decomposition of KClO3 and carbon gasification

Martins, S.; Fernandes, J.B. (Journal of Thermal Analysis and Calorimetry. 119 2014; 831-835.)

The catalytic decomposition of KClO3 is studied in the presence of MnO2, activated carbons and sodium sulphide. This investigation describes the use of thermogravimetry as a convenient technique to investigate catalytic ...

Development of carbon nanotube and carbon xerogel supported catalysts for the electro-oxidation of methanol in fuel cells

Figueiredo, J.L.; Pereira, M.F.R.; Serp, P.; Kalck, P.; Samant, P.V.; Fernandes, J.B. (Carbon. 44(12); 2006; 2516-2522.)

Multiwalled carbon nanotubes and high surface area mesoporous carbon xerogel were prepared and used as supports for monometallic Pt and bimetallic Pt-Ru catalysts. In order to assess the influence of the oxygen surface ...

Development of glycerol based carbon having enhanced surface area and capacitance obtained by KOH induced thermochemical activation

Narvekar, A.A.; Fernandes, J.B.; Naik, S.P.; Tilve, S.G. (Materials Chemistry and Physics. 261; 2021; ArticleID_124238.)

The investigation describes surface modification of a glycerol-based carbon for enhanced capacitance. Glycerol was reacted with sulphuric acid, and the resulting carbon (GBC-120) was impregnated with known amount of KOH. ...

Dilatometry studies of phosphotungstic acid pellets during hydration and dehydration processes and design of a room temperature fuel cell

Dias, F.B.; Fernandes, J.B. (Journal of Power Sources. 74(1); 1998; 1-7.)

Phosphotungstic acid (PWA) is still a potential solid electrolyte for fuel cells due to its high conductivity at room temperature. In this work, PWA was synthesised and characterised by X-ray, IR spectroscopy and thermal ...

Electrocatalysis

Fernandes, J.B. (Catalysis: Selected Applications, Ed. By: B. Viswanathan. Narosa Publishing House. 2009; 5.1-5.9.)

Electrochemical and Adsorption Studies of Glycerol Based Carbons and its Composites with Fe-MnOx and OMS-2

Narvekar, Apurva A.

Electrochemical behaviour of activated manganese ores of Goa

Fernandes, J.B.; Desai, B.D. (Journal of Power Sources. 34(3); 1991; 207-215.)

Goan manganese ores, containing substantial amounts of Fe2O3 and SiO2 have been subjected to activation treatment using H2SO4 and HNO3 in varying concentration. The resulting oxides were characterised by chemical analyses, ...

Enhanced activity of Pt(HY) and Pt-Ru(HY) zeolite catalysts for electrooxidation of methanol in fuel cells

Samant, P.V.; Fernandes, J.B. (Journal of Power Sources. 125(2); 2004; 172-177.)

The investigation describes the synthesis of Pt and Pt-Ru catalysts by a new method using a HY zeolite support. The catalysts are used to study the anodic oxidation of methanol in an acidic medium to investigate their ...

Enhanced electrocatalytic activity of carbon-supported MnOx/Ru catalysts for methanol oxidation in fuel cells

Rebello, J.S.; Samant, P.V.; Figueiredo, J.L.; Fernandes, J.B. (Journal of Power Sources. 153(1); 2006; 36-40.)

This investigation reports the Possible use of carbon-supported manganese octahedral molecular sieves (OMS-2) for the electrooxidation of methanol. The effect of combining these materials with a commercially available 5 ...

Browsing by Author "Fernandes, J.B."

Browsing by Author "Fernandes, J.B."

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