Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Alexander Kaszonyi"'
Publikováno v:
Molecules, Vol 27, Iss 9, p 2855 (2022)
Samples of papers artificially (2 to 60 days) and naturally (10, 45, and 56 years) aged were studied by the Py-GC/MS method to identify decomposition products. Possible reaction scenarios for cellulose degradation were developed. One of the degradati
Externí odkaz:
https://doaj.org/article/536e575f51794630bc4719db7044fed0
Autor:
Blažej Horváth, Dušan Mravec, Enikö Volkovicsová, Magdaléna Štolcová, Lívia Izsák, József Valyon, Alexander Kaszonyi
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 154:661-671
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:
Applied Catalysis B: Environmental. 164:48-60
Pyrolysis of animal by-products provides pyro-oil that contains about 10 wt% nitrogen mainly in aliphatic compounds and virtually no sulfur. The nitrogen should be removed from the oil preferably by hydrodenitrogenation (HDN) to obtain liquid fuel an
Autor:
Stanislav Vajíček, Lívia Lépesová, Karol Rakottyay, Magdaléna Štolcová, László Seemann, Blažej Horváth, Alexander Kaszonyi
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 115:231-250
The oxidation of cyclohexylamine with molecular oxygen over a heterogeneous catalyst is an attractive one-step route to prepare a commercially important cyclohexanone oxime. The effect of the reaction conditions on the conversion of cyclohexylamine d
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 115:201-216
Modified catalysts were prepared from laponite (LT)-supported Ni catalyst. The catalysts were characterized by specific surface area, pore size distribution, in situ X-ray diffractometry and activity in the hydroconversion of acetic acid (AA) at 21 b
Autor:
Magdaléna Štolcová, Gy. Onyestyák, József Valyon, Alexander Kaszonyi, Ferenc Lónyi, Sz. Harnos, A.C. Badari
Publikováno v:
Catalysis Communications. 58:1-5
Silica-supported P or In modified Ni catalysts were active in the hydrodenitrogenation (HDN) and hydrodeoxygenation (HDO) of reactant propylamine (PA) and acetic acid (AA), respectively, in which reactants were selected to model platform molecules of
Publikováno v:
Applied Catalysis A: General. 468:313-321
The aim of this work was to study possibilities of glycerol ethers preparation from glycerol and isobutylene by using industrially common resources. Therefore C4 petrochemical fraction without 1,3-butadiene with different concentration of isobutylene