• 1241 Citations
  • 18 h-Index
1981 …2018

Research output per year

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Research Output

  • 1241 Citations
  • 18 h-Index
  • 85 Article
  • 5 Conference article
  • 4 Chapter
  • 2 Conference contribution
Article

Acetic acid hydroconversion to ethanol over novel InNi/Al 2O 3 catalysts

Onyestyák, G., Harnos, S., Kaszonyi, A., Štolcová, M. & Kalló, D., Oct 5 2012, In : Catalysis Communications. 27, p. 159-163 5 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Acetic acid hydroconversion to ethanol over supported nickel and indium-modified nickel catalysts

Onyestyák, G., Harnos, S., Klébert, S., Stolcová, M., Kaszonyi, A. & Kalló, D., Dec 1 2015, In : Research on Chemical Intermediates. 41, 12, p. 9181-9193 13 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Acetone alkylation with ethanol over multifunctional catalysts by a borrowing hydrogen strategy

Onyestyák, G., Novodárszki, G., Barthos, R., Klébert, S., Wellisch, F. & Pilbáth, A., Jan 1 2015, In : RSC Advances. 5, 120, p. 99502-99509 8 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Acetylene-hydration kinetics on cadmium-exchanged clinoptilolite catalyst

Kalló, D. & Onyestyák, G., Jun 21 2001, In : Helvetica Chimica Acta. 84, 5, p. 1157-1162 6 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Acetylene hydration on different Cd-zeolites

Onyestyák, G., Pál-Borbély, G. & Kalló, D., 2004, In : Studies in Surface Science and Catalysis. 154 C, p. 2831-2838 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Acetylene Hydration on Zeolite Catalysts: An I.R. Spectroscopic Study of the Surface Species

Onyestyak, G., Papp, J. & Kallo, D., Jan 1 1989, In : Studies in Surface Science and Catalysis. 46, C, p. 241-249 9 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Acetylene sorption dynamics in carbon nanotubes

Onyestyák, G., Ötvös, Z., Valyon, J., Kiricsi, I. & Rees, L. V. C., Jul 27 2004, In : Helvetica Chimica Acta. 87, 6, p. 1508-1514 7 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Adsorption and diffusion of nitrogen and oxygen in natural mordenites

Valyon, J., Onyestyák, G. & Rees, L. V. C., Dec 1 2004, In : Studies in Surface Science and Catalysis. 154 B, p. 2078-2085 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
3 Citations (Scopus)

A frequency-response study of the acidity of mordenite catalysts

Onyestyák, G., Valyon, J. & Rees, L. V. C., Jul 1 2000, In : Physical Chemistry Chemical Physics. 2, 13, p. 3077-3082 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

A frequency-response study of the kinetics of ammonia sorption in zeolite particles

Onyestyák, G., Valyon, J. & Rees, L. V. C., Jan 1 2002, In : Studies in Surface Science and Catalysis. 142 B, p. 1639-1646 8 p.

Research output: Contribution to journalArticle

An IR study of the surface species present on zeolite catalysts in some simple addition reactions

Kalló, D., Onyestyák, G. Y. & Papp, J., Jun 1 1989, In : Journal of molecular catalysis. 51, 3, p. 329-340 12 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

An NH3-TPD and -FR study on the acidity of sulfated zirconia

Barthos, R., Lónyi, F., Onyestyák, G. Y. & Valyon, J., May 1 2001, In : Solid State Ionics. 141-142, p. 253-258 6 p.

Research output: Contribution to journalArticle

38 Citations (Scopus)
13 Citations (Scopus)
8 Citations (Scopus)

A study of the selective catalytic hydroconversion of biomass-derived pyrolysis or fermentation liquids using propylamine and acetic acid as model reactants

Badari, A. C., Harnos, S., Lónyi, F., Onyestyák, G., Štolcová, M., Kaszonyi, A. & Valyon, J., Jan 5 2015, In : Catalysis Communications. 58, p. 1-5 5 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

A study of the selective hydroconversion of biocarboxylic acids to bioalcohols over novel indium-nickel/zeolite catalysts using octanoic acid as model reactant

Harnos, S., Onyestyák, G., Klébert, S., Štolcová, M., Kaszonyi, A. & Valyon, J., Oct 1 2013, In : Reaction Kinetics, Mechanisms and Catalysis. 110, 1, p. 53-62 10 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Bioacid hydroconversion over Co, Ni, Cu mono- and indium-doped bimetallic catalysts

Onyestyák, G., Harnos, S. & Kalló, D., Mar 1 2015, In : Acta Chimica Slovenica. 62, 1, p. 213-218 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Carbon supported alkaline catalysts for guerbet coupling of bioethanol

Onyestyák, G., Dec 1 2018, In : Periodica Polytechnica Chemical Engineering. 62, 1, p. 91-96 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Carboxylic acid reduction over Silica supported Cu, Ni and Cu2In, Ni2in catalysts

Onyestyák, G. & Harnos, S., 2014, In : Acta Chimica Slovenica. 61, 4, p. 819-826 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Catalytic activity of transition metal zeolites

Kalló, D. & Onyestyák, G., Nov 1 1990, In : Journal of molecular catalysis. 62, 3, p. 307-320 14 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Catalytic alkylation of acetone with ethanol over Pd/carbon catalysts in flow-through system via borrowing hydrogen route

Novodárszki, G., Onyestyák, G., Wellisch, Á. F. & Pilbáth, A., 2016, In : Acta Chimica Slovenica. 63, 2, p. 251-257 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Catalytic and mass transport properties of ferrierites: The skeletal isomerization of butene

Onyestyák, G., Valyon, J., Pál-Borbély, G. & Rees, L. V. C., Jan 1 2004, In : Studies in Surface Science and Catalysis. 154 C, p. 2316-2322 7 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
4 Citations (Scopus)

Catalytic hydroconversion of tricaprylin and caprylic acid as model reaction for biofuel production from triglycerides

Boda, L., Onyestyák, G., Solt, H., Lónyi, F., Valyon, J. & Thernesz, A., Feb 1 2010, In : Applied Catalysis A: General. 374, 1-2, p. 158-169 12 p.

Research output: Contribution to journalArticle

127 Citations (Scopus)
4 Citations (Scopus)

Comparison of butene skeletal isomerization selectivity over a pair of commercial H-ferrierites

Onyestyák, G., Aug 23 2007, In : Microporous and Mesoporous Materials. 104, 1-3, p. 192-198 7 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
9 Citations (Scopus)

Comparison of Hydrosulfurization Zeolite Catalysts Prepared in Different Ways

OnyestyáK, G., Kalló, D. & Pap, J., Jan 1 1991, In : Studies in Surface Science and Catalysis. 69, C, p. 287-294 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
14 Citations (Scopus)

Cyclohexane conversion over H-zeolite supported platinum

Onyestyák, G., Pál-Borbély, G. & Beyer, H. K., Apr 10 2002, In : Applied Catalysis A: General. 229, 1-2, p. 65-74 10 p.

Research output: Contribution to journalArticle

49 Citations (Scopus)
19 Citations (Scopus)

Distribution of platinum particles in the bimodal micropore system of activated carbon

Onyestyák, G., Nov 1 2007, In : Helvetica Chimica Acta. 90, 10, p. 1889-1896 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

DRIFT and FR spectroscopic investigation of N2 and O2 adsorption on zeolites

Valyon, J., Lónyi, F., Onyestyák, G. & Papp, J., Jul 18 2003, In : Microporous and Mesoporous Materials. 61, 1-3, p. 147-158 12 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Dynamic and catalytic studies of H-ferrierites made by hydrothermal and dry state syntheses

Onyestyák, G., Pál-Borbély, G. & Rees, L. V. C., Mar 1 2001, In : Microporous and Mesoporous Materials. 43, 1, p. 73-81 9 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Dynamics of sorption of cyclopropane in various H- and Na-zeolites

Onyestyák, G. & Rees, L. V. C., Dec 1 2001, In : Reaction Kinetics and Catalysis Letters. 74, 2, p. 201-207 7 p.

Research output: Contribution to journalArticle

Equilibrium and dynamics of acetylene sorption in multiwalled carbon nanotubes

Onyestyák, G., Valyon, J., Hernádi, K., Kiricsi, I. & Rees, L. V. C., Jan 1 2003, In : Carbon. 41, 6, p. 1241-1248 8 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Frequency-response characterization of acid sites in zeolite catalysts using NH3 as the probe molecule

Rees, L. V. C. & Onyestyák, G., Apr 1999, In : Microporous and Mesoporous Materials. 28, 2, p. 293-303 11 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Frequency-response evidence for parallel diffusion processes in the bimodal micropore system of an activated carbon

Onyestyák, G., Valyon, J., Bóta, A. & Rees, L. V. C., Sep 17 2002, In : Helvetica Chimica Acta. 85, 8, p. 2463-2468 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Frequency-response NH3 sorption study of acidic sites in H-ZSM-5 catalysts

Onyestyák, G., Shen, D. & Rees, L. V. C., Jan 21 1996, In : Journal of the Chemical Society - Faraday Transactions. 92, 2, p. 307-315 9 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Frequency-response studies of CO2 diffusion in commercial 5A powders and pellets

Onyestyák, G., Shen, D. & Rees, L. V. C., Jan 1 1996, In : Microporous Materials. 5, 5, p. 279-288 10 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Frequency response study of adsorbate mobilities of different character in various commercial adsorbents

Onyestyák, G. & Rees, L. V. C., Sep 2 1999, In : Journal of Physical Chemistry B. 103, 35, p. 7469-7479 11 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)

Frequency-response study of micro- and macro-pore diffusion in manufactured zeolite pellets

Onyestyák, G., Shen, D. & Rees, L. V. C., Dec 1 1995, In : Journal of the Chemical Society, Faraday Transactions. 91, 9, p. 1399-1405 7 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)

Frequency-response study of the diffusion and sorption dynamics of ammonia in zeolites

Valyon, J., Onyestyák, G. & Rees, L. V. C., Feb 8 2000, In : Langmuir. 16, 3, p. 1331-1336 6 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Honeycomb carbon monoliths from Pinus sylvestris

László, K., Onyestyák, G., Rochas, C. & Geissler, E., Sep 1 2005, In : Carbon. 43, 11, p. 2402-2405 4 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Hydration of acetylene on Cd2+ exchanged zeolites

Detrekoy, E., Onyestyák, G. & Kalló, D., Dec 1981, In : Reaction Kinetics and Catalysis Letters. 15, 4, p. 443-450 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Hydration of acetylene on Zn- and Cd-zeolites

Onyestyák, G. & Kalló, D., Jul 18 2003, In : Microporous and Mesoporous Materials. 61, 1-3, p. 199-204 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Hydration of unsaturated hydrocarbons on zeolite catalysts

Kallo, D., Mihalyi, M. R. & Onyestyak, G. Y., 1988, In : Studies in Surface Science and Catalysis. 37, C, p. 471-477 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Hydrocarbons from sunflower oil over partly reduced catalysts

Harnos, S., Onyestyák, G. & Kalló, D., Jun 1 2012, In : Reaction Kinetics, Mechanisms and Catalysis. 106, 1, p. 99-111 13 p.

Research output: Contribution to journalArticle

29 Citations (Scopus)

Hydroconversion of acetic acid over carbon aerogel supported molybdenum catalyst

Ábrahám, D., Nagy, B., Dobos, G., Madarász, J., Onyestyák, G., Trenikhin, M. V. & László, K., May 15 2014, In : Microporous and Mesoporous Materials. 190, p. 46-53 8 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)