Search Results - "Onyestyák, György"

Catalytic hydroconversion of tricaprylin and caprylic acid as model reaction for biofuel production from triglycerides by Boda, László, Onyestyák, György, Solt, Hanna, Lónyi, Ferenc, Valyon, József, Thernesz, Artrur

“…Palladium/activated carbon and promoted molybdena–alumina catalysts were used. The hydroconversion was found to proceed in consecutive steps of triglyceride…”
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Outstanding efficiency of indium in bimetallic catalysts for hydroconversion of bioacids to bioalcohols by Onyestyák, György

“…Step by step reduction of acetic acid (AA) to ethanol was investigated over novel bimetallic catalysts (PtIn/Al2O3) for the processing of VFAs (volatile fatty…”
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Cu and Cu2In nanoparticles supported on amorphized zeolites for the selective reduction of biomass derived carboxylic acids to alcohols by Harnos, Szabolcs, Onyestyák, György, Kalló, Dénes

“…[Display omitted] ► In2O3 doping opens a novel route for catalyst development for fatty acid reduction. ► Destructed Cu-zeolites are effective in conversion of…”
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Comparison of butene skeletal isomerization selectivity over a pair of commercial H-ferrierites by ONYESTYAK, György

“…The conversion of butenes to isobutene was compared at atmospheric pressure and 250–350 °C over two commercial H-ferrierite catalysts having different chemical…”
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Gel-type ion exchange resin stabilized Pd-Bi nanoparticles for the glycerol oxidation in liquid phase by Vajíček, Stanislav, Štolcová, Magdaléna, Kaszonyi, Alexander, Mičušík, Matej, Alexy, Pavel, Canton, Patrizia, Onyestyák, György, Harnos, Szabolcs, Lónyi, Ferenc, Valyon, József

“…[Display omitted] Palladium-bismuth nanoparticles were supported into strongly basic anion-exchange resin of gel-type and tested as catalysts for the selective…”
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Sorption dynamics of N2 and O2 in carbon monoliths from spruce, beech and oak affected by activation by ONYESTYAK, György, BOTA, Attila

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Catalytic alkylation of acetone with ethanol over Pd/carbon catalyst in flow-through system via borrowing hydrogen route by Novodárszki, Gyula, Onyestyák, György, Farkas Wellisch, Ágnes, Pilbáth, Aranka

“…Consecutive alkylation of acetone with ethanol as model reactants was studied in order to obtain biomass based fuels by continuous processing of…”
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Bioacid hydroconversion over Co, Ni, Cu Mono- and indium-doped bimetallic catalysts by Onyestyák, György, Harnos, Szabolcs, Kalló, Dénes

“…Caprylic acid (CA) as model reactant was selectively reduced in a flow-through reactor in hydrogen stream at 21 bar total pressure and 240-360 °C over alumina…”
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Mass transport dynamics of N2 and O2 in wood-based carbon molecular sieves affected by pre-treatments and comminution by ONYESTYAK, György, OTVÖS, Zsolt, PAPP, Katalin

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Kinetic and equilibrium separation of Co and CO2 by impregnated spherical carbons by CZAKKEL, Orsolya, ONYESTYAK, György, PILATOS, George, KOUVELOS, Vangelis, KANELLOPOULOS, Nick, LASZLO, Krisztina

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Novel Cu and Cu2In/aluminosilicate type catalysts for the reduction of biomass-derived volatile fatty acids to alcohols by Harnos Szabolcs, Onyestyák György, Barthos Róbert, Štolcová Magdalena, Kaszonyi Alexander, Valyon József

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Selective reduction of acetic acid to ethanol over novel Cu2In/Al2O3 catalyst by Onyestyák, György, Harnos, Szabolcs, Klébert, Szilvia, Štolcová, Magdalena, Kaszonyi, Alexander, Kalló, Dénes

“…•Indium doped catalysts are highly efficient for acetic acid reduction to ethanol.•Promoting effect of indium on Cu catalysts comes from alloy (Cu2In)…”
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Hydration of acetylene on Zn- and Cd-zeolites by ONYESTYAK, György, KALLO, Dénes

“…Zn- and Cd-exchanged derivatives of two rhyolite tuffs of different clinoptilolite contents and Zn-MFI were prepared by conventional ion exchange in aqueous…”
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Improving the catalytic behavior of Ni/Al2O3 by indium in reduction of carboxylic acid to alcohol by Onyestyák, György, Harnos, Szabolcs, Kalló, Dénes

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DRIFT and FR spectroscopic investigation of N2 and O2 adsorption on zeolites by VALYON, Jozsef, LONYI, Ferenc, ONYESTYAK, György, PAPP, Janos

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Catalytic etherification of bioglycerol with bioethanol over H-Beta, H-Y and H-MOR zeolites by Mravec, Dušan, Turan, Andrej, Filková, Adriána, Mikesková, Natália, Volkovicsová, Enikö, Onyestyák, György, Harnos, Szabolcs, Lónyi, Ferenc, Valyon, Jozsef, Kaszonyi, Alexander

“…Etherification of glycerol with ethanol, both from renewable resources, was studied over heterogeneous catalysts (zeolites of the type BEA, MOR and FAU) and…”
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Molybdenum doped carbon aerogels with catalytic potential by Nagy, Balázs, Ábrahám, Dániel, Dobos, Gábor, Madarász, János, Onyestyák, György, Sáfrán, György, Geissler, Erik, László, Krisztina

“…Mo-doped carbon aerogels were obtained in the polycondensation reaction of aqueous resorcinol and formaldehyde by adding Mo-salt at two different stages of the…”
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Acetylene Sorption Dynamics in Carbon Nanotubes by Onyestyák, György, Ötvös, Zsolt, Valyon, József, Kiricsi, Imre, Rees, Lovat V. C.

“…Single‐walled and multi‐walled carbon nanotubes (SWNT and MWNT, resp.) were prepared by applying the catalytic chemical vapor deposition (CCVD) technique…”
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Hydroconversion of acetic acid over carbon aerogel supported molybdenum catalyst by Ábrahám, Dániel, Nagy, Balázs, Dobos, Gábor, Madarász, János, Onyestyák, György, Trenikhin, Mikhail V., László, Krisztina

“…[Display omitted] •Mo doped carbon aerogels are active catalysts in hydroconversion of acetic acid.•The mechanism of the hydrogenation depends on Mo…”
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Study of the Dynamics of NH3 Adsorption in ZSM-5 Zeolites and the Acidity of the Sorption Sites Using the Frequency-Response Technique by Valyon, József, Onyestyák, György, Rees, Lovat V. C

“…The frequency response (FR) method has been applied to a study of the dynamics of NH3 adsorption in various ZSM-5 zeolites. Rate spectra have been recorded…”
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