• 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
1981

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)
1984

HYDROSULFURIZATION OF THE C equals C BOND ON Me**2** plus -ZEOLITES.

Kallo, D., Onyestyak, G. & Papp, J., Dec 1 1984, Unknown Host Publication Title. Engl, p. 444-453 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)
1987
19 Citations (Scopus)
1988

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)
1989

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)

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)

UV-Visible Spectroscopic Investigations and Related Studies on Coke Formation Over Industrial H-ZSM-5-Based Catalysts

Karge, H. G., Lsaniecki, M., Ziolek, M., Onyestyak, G., Kiss, A., Kleinschmit, P. & Siray, M., Jan 1 1989, In : Studies in Surface Science and Catalysis. 49, C, p. 1327-1337 11 p.

Research output: Contribution to journalArticle

48 Citations (Scopus)
1990

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)
1991

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)
1995
4 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)

Induced catalytic activity of fluorided alumina in the reactions of isobutane

Engelhardt, J., Onyestyak, G. & Hall, W. K., Dec 1995, In : Journal of Catalysis. 157, 2, p. 721-729 9 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2 Citations (Scopus)
1996

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)

Interactions of reactants in hydration of acetylene on Cd-zeolite catalysts

Onyestyák, G. & Kalló, D., Jan 1 1996, In : Journal of Molecular Catalysis A: Chemical. 106, 1-2, p. 103-108 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
1998
34 Citations (Scopus)
1999

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 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)

Iron nanoparticles in x and y zeolites

Lázár, K., Beyer, H. K., Onyestyák, G., Jönsson, B. J., Varga, L. K. & Pronier, S., Jan 1 1999, In : Nanostructured Materials. 12, 1, p. 155-158 4 p.

Research output: Contribution to journalConference article

4 Citations (Scopus)
2000
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)

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)
83 Citations (Scopus)

The characterization of zeolite acidity by dynamic methods

Onyestyák, G., Valyon, J. & Rees, L. V. C., 2000, In : Studies in Surface Science and Catalysis. 130 C, p. 2921-2926 6 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2001

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)

An FR study of the n- and i-butane diffusion in theta-1, ferrierite and silicalite-1

Onyestyák, G., Valyon, J. & Rees, L. V. C., May 1 2001, In : Solid State Ionics. 141-142, p. 93-97 5 p.

Research output: Contribution to journalConference article

9 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)

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

The diffusion and sorption dynamics of acetylene in zeolites

Onyestyák, G., Valyon, J. & Rees, L. V. C., 2001, Zeolites and Mesoporous Materials at the dawn of the 21st century, Proceedings of the 13 International Zeolite Conference, 2001. Elsevier Inc., Vol. 135. p. 269 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

The dynamics of ammonia sorption and n-octane hydroconversion over dealuminated ZSM-5 zeolites

Onyestyák, G., Valyon, J. & Rees, L. V. C., May 1 2001, In : Solid State Ionics. 141-142, p. 123-128 6 p.

Research output: Contribution to journalConference article

2 Citations (Scopus)
2002

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

4 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)

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)

The diffusion and sorption of acetylene in various zeolites

Onyestyák, G. & Rees, L. V. C., Jan 5 2002, In : Applied Catalysis A: General. 223, 1-2, p. 57-64 8 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Thermal decomposition of sodium azide in various microporous materials

Onyestyák, G., 2002, In : Studies in Surface Science and Catalysis. 142 B, p. 1793-1800 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

The skeletal isomerization of n-butene over ferrierite catalysts

Onyestyák, G., Valyon, J., Pál-Borbély, G. & Rees, L. V. C., Aug 15 2002, In : Applied Surface Science. 196, 1-4, p. 401-407 7 p.

Research output: Contribution to journalConference article

13 Citations (Scopus)
2003

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)

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)

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)
2004

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 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)

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)

Molecular-sieve honeycomb for air separation from Picea abies

Onyestyák, G., Rees, L. V. C. & László, K., Aug 24 2004, In : Helvetica Chimica Acta. 87, 7, p. 1888-1893 6 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Solid state reactions between sodium azide and zeolites

Onyestyák, G., 2004, In : Studies in Surface Science and Catalysis. 154 C, p. 3044-3051 8 p.

Research output: Contribution to journalArticle

The dynamics of H 2 and N 2 sorption in carbon nanotubes

Ötvös, Z., Onyestyák, G., Valyon, J., Kiricsi, I., Kónya, Z. & Rees, L. V. C., Nov 15 2004, In : Applied Surface Science. 238, 1-4 SPEC. ISS., p. 73-76 4 p.

Research output: Contribution to journalConference article

4 Citations (Scopus)
2005
8 Citations (Scopus)