• 1233 Citations
  • 18 h-Index
1981 …2018

Research output per year

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Research Output

  • 1233 Citations
  • 18 h-Index
  • 85 Article
  • 5 Conference article
  • 4 Chapter
  • 2 Conference contribution
2018

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)
2017

Non-precious metal catalysts for acetic acid reduction

Onyestyák, G., Jan 1 2017, In : Periodica Polytechnica Chemical Engineering. 61, 4, p. 270-277 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2016

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)

Upgraded biofuel from alcohol-acetone feedstocks over a two-stage flow-through catalytic system

Onyestyák, G., Novodárszki, G., Farkas Wellisch, W. & Pilbáth, A., 2016, In : Catalysis Science and Technology. 6, 12, p. 4516-4524 9 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
2015

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)

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)

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)

Hydroconversion of acetic acid over indium- and phosphorus-modified nickel/laponite catalysts

Onyestyák, G., Harnos, S., Badari, C. A., Klébert, S., Kaszonyi, A. & Valyon, J., Jun 28 2015, In : Reaction Kinetics, Mechanisms and Catalysis. 115, 1, p. 201-216 16 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
3 Citations (Scopus)
2014

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)

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)

Molybdenum doped carbon aerogels with catalytic potential

Nagy, B., Ábrahám, D., Dobos, G., Madarász, J., Onyestyák, G., Sáfrán, G., Geissler, E. & László, K., Jan 1 2014, In : Carbon. 66, p. 210-218 9 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2013

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

4 Citations (Scopus)
14 Citations (Scopus)

Indium: An efficient co-catalyst in novel Cu or Ni catalysts for selective reduction of biomass derived fatty acids to alcohols

Onyestyák, G., Harnos, S. & Kalló, D., Jan 1 2013, Indium: Properties, Technological Applications and Health Issues. Nova Science Publishers, Inc., p. 53-79 27 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

8 Citations (Scopus)
13 Citations (Scopus)

Selective reduction of acetic acid to ethanol over novel Cu 2In/Al2O3 catalyst

Onyestyák, G., Harnos, S., Klébert, S., Štolcová, M., Kaszonyi, A. & Kalló, D., Jul 17 2013, In : Applied Catalysis A: General. 464-465, p. 313-321 9 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)

Structure and sorption dynamics of activated carbons from wooden precursors: Further possibilities to reveal anisotropic behaviors in the carbon skeleton

Wacha, A., Onyestyák, G. & Bóta, A., Jan 1 2013, New Research on Carbon Materials. Nova Science Publishers, Inc., p. 83-111 29 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Unique efficiency of copper-indium catalyst in octanoic acid reduction

Onyestyák, G., Harnos, S., Štolcová, M., Kaszonyi, A. & Kalló, D., Jun 21 2013, In : Catalysis Communications. 40, p. 32-36 5 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2012

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)
12 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)
17 Citations (Scopus)

Novel Cu and Cu 2In/aluminosilicate type catalysts for the reduction of biomass-derived volatile fatty acids to alcohols

Harnos, S., Onyestyák, G., Barthos, R., Štolcová, M., Kaszonyi, A. & Valyon, J., Dec 1 2012, In : Central European Journal of Chemistry. 10, 6, p. 1954-1962 9 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Sunflower oil to green diesel over Raney-type Ni-catalyst

Onyestyák, G., Harnos, S., Szegedi, Á. & Kalló, D., Dec 1 2012, In : Fuel. 102, p. 282-288 7 p.

Research output: Contribution to journalArticle

31 Citations (Scopus)
2011
9 Citations (Scopus)

Improving the catalytic behavior of Ni/Al2O3 by indium in reduction of carboxylic acid to alcohol

Onyestyák, G., Harnos, S. & Kalló, D., Nov 30 2011, In : Catalysis Communications. 16, 1, p. 184-188 5 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)
2010

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)
2009

Kinetic and equilibrium separation of Co and Co2 by impregnated spherical carbons

Czakkel, O., Onyestyák, G., Pilatos, G., Kouvelos, V., Kanellopoulos, N. & László, K., Apr 1 2009, In : Microporous and Mesoporous Materials. 120, 1-2, p. 76-83 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
5 Citations (Scopus)
2008

Mass transport dynamics of N2 and O2 in wood-based carbon molecular sieves affected by pre-treatments and comminution

Onyestyák, G., Ötvös, Z. & Papp, K., Apr 1 2008, In : Microporous and Mesoporous Materials. 110, 1, p. 86-91 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Solid-state ion exchange dynamics of cadmium in zeolite Y

Onyestyák, G., Nov 6 2008, Zeolites and related materials: Trends, targets and challenges. B ed. p. 877-880 4 p. (Studies in Surface Science and Catalysis; vol. 174, no. B).

Research output: Chapter in Book/Report/Conference proceedingChapter

The sorption dynamics of N2, CO2, CO and CH4 in zeolite and carbon molecular sieves

Onyestyák, G., Ötvös, Z. & Valyon, J., Nov 19 2008, Zeolites and related materials: Trends, targets and challenges. Gedeon, A., Massiani, P. & Babonneau, F. (eds.). SUPPL. PART A ed. p. 595-598 4 p. (Studies in Surface Science and Catalysis; vol. 174, no. SUPPL. PART A).

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)
2007

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)

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)

Influence of silicon doping on the nanomorphology and surface chemistry of a wood-based carbon molecular sieve

László, K., Dobos, G., Onyestyák, G. & Geissler, E., Mar 23 2007, In : Microporous and Mesoporous Materials. 100, 1-3, p. 103-110 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Skeletal isomerization of butene over natural ferrierite

Onyestyák, G., Feb 1 2007, In : Reaction Kinetics and Catalysis Letters. 90, 1, p. 179-186 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

The sorption dynamics of propane, i-butane and neopentane in carbon nanotubes

Valyon, J., Ötvös, Z., Onyestyák, G. & Rees, L. V. C., Jan 1 2007, In : Studies in Surface Science and Catalysis. 160, p. 439-446 8 p.

Research output: Contribution to journalArticle

2006

Pinewood char templated mordenite/carbon honeycomb composite

Onyestyák, G., Jan 1 2006, In : New Journal of Chemistry. 30, 7, p. 1058-1064 7 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Surface oxygen complexes as governors of neopentane sorption in multiwalled carbon nanotubes

Ötvös, Z., Onyestyák, G., Hancz, A., Kiricsi, I. & Rees, L. V. C., Aug 1 2006, In : Carbon. 44, 9, p. 1665-1672 8 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2005
8 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)

Novel biomorphous zeolite/carbon composite having honeycomb structure

Onyestyák, G., Valyon, J. & Papp, K., Dec 5 2005, In : Materials Science and Engineering A. 412, 1-2, p. 48-52 5 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

The mass transport of propane, i-butane and neopentane in zeolites: A frequency response study

Onyestyák, G., Valyon, J. & Rees, L. V. C., Jan 1 2005, In : Studies in Surface Science and Catalysis. 158 B, p. 1027-1034 8 p.

Research output: Contribution to journalArticle

The sorption dynamics of N2 and O2 in zeolite particles

Onyestyák, G., Valyon, J. & Rees, L. V. C., Jan 1 2005, In : Studies in Surface Science and Catalysis. 158 B, p. 1019-1026 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

The sorption of butanes over carbon nanotubes

Ötvös, Z., Onyestyák, G., Valyon, J., Kiricsi, I. & Rees, L. V. C., Jan 1 2005, In : Studies in Surface Science and Catalysis. 156, p. 617-624 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2004

Acetylene hydration on different Cd-zeolites

Onyestyák, G., Pál-Borbély, G. & Kalló, D., Jan 1 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)