Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Szabolcs Harnos"'
Publikováno v:
Acta Chimica Slovenica, Vol 62, Iss 1, Pp 213-218 (2015)
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 loaded with the adjacent Co, Ni, Cu host and In guest metals. The main target of this rese
Externí odkaz:
https://doaj.org/article/2e6dab07f10d46bb8d45a8882014a284
Autor:
Ferenc Lónyi, Adriána Filková, Szabolcs Harnos, Alexander Kaszonyi, Dušan Mravec, Andrej Turan, Natália Mikesková, György Onyestyák, József Valyon, Enikö Volkovicsová
Publikováno v:
Fuel Processing Technology. 159:111-117
Etherification of glycerol with ethanol, both from renewable resources, was studied over heterogeneous catalysts (zeolites of the type BEA, MOR and FAU) and ion-exchange resin Amberlyst 35. The best results were obtained with zeolite H-Beta (CP 814 Q
Autor:
Matej Mičušík, Ferenc Lónyi, Pavel Alexy, Stanislav Vajíček, Magdaléna Štolcová, Patrizia Canton, Alexander Kaszonyi, József Valyon, Szabolcs Harnos, György Onyestyák
Publikováno v:
Journal of Industrial and Engineering Chemistry. 39:77-86
Palladium-bismuth nanoparticles were supported into strongly basic anion-exchange resin of gel-type and tested as catalysts for the selective oxidation of glycerol with molecular oxygen at atmospheric pressure. Detailed study of the precursors prepar
Autor:
Dénes Kalló, Szabolcs Harnos, Szilvia Klébert, György Onyestyák, Magdaléna Štolcová, Alexander Kaszonyi
Publikováno v:
Research on Chemical Intermediates. 41:9181-9193
Volatile carboxylic acids (mainly acetic acid) can be produced efficiently by simple thermochemical or biological degradation of various biomasses. For the processing of such oxygenates in hydrogen atmosphere, acetic acid (AA) hydroconversion was stu
Publikováno v:
Catalysis Communications. 40:32-36
Octanoic acid (OA), as model reactant, was hydroconverted in a flow through reactor at 21 bar total pressure and 240–380 °C over various copper catalysts composed with indium or its neighbors in the periodic table (gallium, tin, thallium and cadmi
Autor:
Dénes Kalló, Magdaléna Štolcová, Szabolcs Harnos, György Onyestyák, Alexander Kaszonyi, Szilvia Klébert
Publikováno v:
Applied Catalysis A: General. :313-321
Volatile fatty acids (VFAs) can be produced efficiently by simple thermochemical or biological biomass degradation. For the processing of these organic acids in hydrogen atmosphere, the consecutive reactions of acetic acid (AA) hydroconversion were s
Autor:
Alexander Kaszonyi, József Valyon, Magdaléna Štolcová, Szabolcs Harnos, Szilvia Klébert, György Onyestyák
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 110:53-62
Octanoic acid (OA) was hydrotreated in a flow-through reactor at 21 bar total pressure and 240–340 °C over supported metal catalysts prepared from Ni-zeolites (A, X, P) by indium modification. The Ni-zeolites were activated first in H2 flow at 21
Publikováno v:
Microporous and Mesoporous Materials. 167:109-116
Octanoic acid (OA) was used as reactant with medium chain length to model the aliphatic carboxylic acids which can be produced by catalytic, thermochemical or biological degradation of biomass. A flow through reactor was applied at 21 bar total press
Publikováno v:
Fuel. 102:282-288
There are intensive efforts for reforming triglycerides to fuels. A non-pyrophoric Raney nickel type catalyst was investigated in the hydroconversion of sunflower oil. The catalyst was also tested in the transformation of octanoic acid as a model com
Autor:
Szabolcs Harnos, Magdaléna Štolcová, György Onyestyák, Alexander Kaszonyi, József Valyon, Róbert Barthos
Publikováno v:
Open Chemistry, Vol 10, Iss 6, Pp 1954-1962 (2012)
This work relates to the consecutive reduction of short chain carboxylic acids (volatile fatty acids, VFAs) to alcohols as main products. Acetic acid (AA) was used as a reactant to model the VFAs that can be produced by either thermochemical or biolo