1. Onyestyák, Gy., Kalló, D. Cd-clinoptilolite as a catalyst for the hydration of acetylene to acetaldehyde. Natural Zeolites '93 (Eds: Ming, D. W., Mumpton, F. A.) pp. 437-445, Int.Comm.
Natural Zeolites, Brockport, New York 14420 (1995)
2. Engelhardt, J., Onyestyák, Gy., Hall, W. K. Induced catalytic activity of fluorided alumina in the reactions of isobutane. J. Catal., 157, 721-729 (1995)
3. Onyestyák, Gy., Shen, D., Rees, L. V. C.Frequency-response study of micro- and macro-pore diffusion in manufactured zeolite pellets. J. Chem.Soc. Faraday Trans., 91, 1399-1405 (1995)
4. Kalló, D., Onyestyák, Gy., Structural and compositional effects on the catalytic activity of Cd-zeolites in the hydration of acetylene. Catalysis by Microporous Materials, Proc. ZEOCAT'95 (Eds: Beyer, H. K., Karge, H. G., Kiricsi, I., Nagy, J. B.) pp. 435-440 (1995) Stud. Surf. Sci. Catal., 94, 435-440 (1995)
5. Onyestyák, Gy., Shen, D., Rees, L. V. C. Characterisation of acid sites in decationated
zeolites: Study of NH3 sorption by frequency-response technique and FTIR spectroscopy. Catalysis by Microporous Materials, Proc. ZEOCAT'95 (Eds: Beyer, H. K., Karge, H. G., Kiricsi, I., Nagy, J. B.) Elsevier, pp. 116-123 (1995) Stud. Surf. Sci. Catal., 94, 116-123 (1995)
6. Onyestyák, Gy., Shen, D., Rees, L. V. C. Characterisation of acid sites in cation exchanged Y zeolites: Study of NH3 sorption by frequency-response technique and FTIR spectroscopy.
Proc. Int. Symp. on Zeolites in China, Nanjing (Ed.:Yu, Z.) pp. 1-32 - 1-42 (1995)
7. Onyestyák, Gy., Kalló, D. Interactions of reactants in hydration of acetylene on Cd-zeolite catalysts. J. Mol. Catal., 106, 103-108 (1996)
8. Onyestyák, Gy., Shen, D., Rees, L. V. C.Frequency-response studies of CO2 diffusion in commercial 5A powders and pellets. Microporous Materials, 5, 279-288 (1996)
9. Onyestyák, Gy., Shen, D., Rees, L. V. C. Frequency-response NH3 sorption study of acidic sites in H-ZSM-5 catalysts. J. Chem. Soc., Faraday Trans., 92, 307-315 (1996)
10. Kalló, D., Onyestyák, Gy. Adsorption of acetylene and water on zeolites resulting in hydration to acetaldehyde.Zeolites, 489-494 (1996)
11. Onyestyák, Gy., Valyon, J., Rees, L. V. C. Characterisation of acid-base- and redox-type sites in ZSM-5 zeolites by sorption rate "spectroscopy". Progress in zeolite and microporous materials Proc. Eleventh Int. Zeolite Conf., (Eds.: Chon, H., Ihm, S. and Uh, Y.) Elsevier, Amsterdam, 703-710 (1997) Stud. Surf. Sci. Catal., 105, 703-710 (1997)
12. Varga, L., Liszkay, L., Kajcsos, Zs., Lázár, K., Beyer, H. K., Onyestyák, Gy., Kótai, E and Lohonyai, L. Preliminary results of the positron annilation in zeolites: peak shape and 3 -decay. J. of Radioanalitical and nuclear chemistry, Articles, Vol. 211 (1996) 273-244
13. Valyon, J., Onyestyák, Gy., Rees, L. V. C. A study of the dynamics of NH3 adsorption in ZSM-5 zeolites and the acidity of the sorption sites using the frequency-response technique.J.
Phys.Chem. B 102, 8994-9001 (1998)
14. Rees, L. V. C, Onyestyák, Gy.Frequency-response characterization of acid sites in zeolite catalysts using NH3 as probe molecule. Microporous and Mesoporous Materials 28, 293-303 (1999)
15. Shen D., Onyestyák Gy., Rees L. V. C. Characterisation of acid sites in faujasite and mordenite zeolites: study of pyridine and ammonia sorption by frequency-response technique.
Proc.12th IZC Baltimore, USA, Materials Research Society, Warrendale, Pennsylvania, p2673-2680 (1999)
16. Onyestyák, Gy., Valyon, J., Rees, L. V. C .A frequency-response study on the sorption of CO2 in zeolite A, X and Y. Proc.12th IZC Baltimore, USA, Materials Research Society, Warrendale, Pennsylvania, p159-166, (1999)
17. Beyer, H. K., Onyestyák, Gy., Jönsson, B. J.,Varga, L.,Lázár, K. Reduction of iron ions to metallic state in X and Y zeolites by sodium azide.Proc.12th IZC Baltimore, USA Materials Research Society, Warrendale, Pennsylvania, 2875-2880 (1999)
18. Lázár, K., Kiss, L. F., Pronier, S., Onyestyák, Gy. and Beyer, H. K. Iron nanoparticles in X and Y zeolites prepared by reduction with NaN3. Proc. NANO '98 Mössbauer Spectroscopy in Materials Science, 291-298. Kluwer Academic Publishers, Netherlands (1999)
19. Lázár, K., Beyer, H. K., Onyestyák, Gy., Jönsson, B.J., Varga, L.K. and Pronier, S. Iron nanoparticles in X and Y zeolites. Nano Structured Materials 12, 155-158 (1999)
20. Onyestyák , Gy., Rees, L. V. C A frequency-response study of adsorbate mobilities of different character in varions commercial adsorbents. J. Phys.Chem. B 103, 7469-7479 (1999) 21. Valyon, J., Onyestyák, Gy., Rees, L. V. C.A frequency-response study of the diffusion and sorption dynamics of ammonia in zeolites. Langmuir 16, 1331-1336 (2000)
22. Onyestyák, Gy., Valyon, J., and Rees, L. V. C .A frequency-response study of diffusion and adsorption of C1-C5 alkanes and acetylene in zeolites. Proc.of the 5th International Symposium on the Characterisation of Porous Solids, Heidelberg, Germany, 1999 Stud. Surf. Sci. Catal., 128, 587-592 (2000)
23. Valyon J., Onyestyák Gy., Rees LVC. The diffusion and sorption of n- and i-butans in MFI zeolites Proc. of 2nd Pacific Basin Conference on Adsoption Science and Technology
Brisbane, Australia, Word Scientific, Singapore, 482-486 (2000)
24. Onyestyák Gy., Valyon J., Rees LVC. A frequency-response study of the sorotion of ammonia in zeolites A, X and Y Proc. of 2nd Pacific Basin Conference on Adsoption Science and Technology Brisbane, Australia, Word Scientific, Singapore, 477-481 (2000)
25. Barthos, R., Lónyi, F., Onyestyák, Gy., Valyon, J.An IR, FR, and TPD Study on the acidity of H-ZSM-5, sulfated zirconia and zirconia titania using ammonia as probe molecule J. Phys.Chem. B 104, 7311-7319 (2000)
26. Onyestyák, Gy., Valyon, J., and Rees, L. V. C .The characterization of zeolite acidity by dynamic methods 12th ICC, Granada, Spain (2000) Stud. Surf. Sci. Catal., 130, 2921-2926 (2000) 27. Onyestyák, Gy., Valyon, J., Rees, L. V. C .A frequency-response study on the acidity of mordenite catalysts Phys. Chem. Chem. Phys. 2, 3077-3082, (2000)
28. Onyestyák, Gy., Kalló, D.Hydration of acetylene homologues on Cd-zeolites. in Proc.
Zeolite '97 Ischia, Italy (1997) Natural Zeolites for the Third Millennium (Eds. C. Collela and F. A.
Mumpton) De Frede Editore, Napoli, Italy, pp. 395-401 (2000)
29. Onyestyák, Gy., Valyon, J., Papp, J. and Rees, L. V. C .A frequency-response study of the CO2 mass-transport properties of natural and synthetic zeolite adsorbents. Proc. Zeolite '97 Ischia, Italy (1997) Natural Zeolites for the Third Millennium (Eds. C. Collela and F. A. Mumpton) De Frede Editore, Napoli, Italy, pp. 321-333 (2000)
30. Onyestyák, Gy., Pál-Borbély, G. and V. C. Rees, L. V C. Dynamic and catalytic Studies of H-Ferrierites Made by Hydrothermal and Dry State Synthesis. Microporous and Mesoporous Materials 43, 73-81 (2001)
31. Onyestyák Gy., Valyon, J., and Rees, L. V. C. An FR Study of the Diffusion of n- and i-Butane in Zeolite ZSM-5, Ferrierite, and Theta-1. XIVth ISRS, Budapest, Hungary, (2000) Solid State Ionics, 141-142, 93-97 (2001)
32. Onyestyák Gy., Valyon, J., and Rees, L. V. C. The Dynamics of Ammonia Sorption and n-Octane Hydroconversion over Dealuminated ZSM-5 Zeolites. XIVth ISRS, Budapest, Hungary, (2000) Solid State Ionics, 141-142, 123-128 (2001)
33. Barthos, R., Lónyi, F., Onyestyák Gy., and Valyon, J. An NH3-TPD and -FR Study of the Acidity Sulfated Zirconia. XIVth ISRS, Budapest, Hungary, (2000) Solid State Ionics, 141-142, 253-258 (2001)
34. Onyestyák, Gy., Valyon, J., and Rees, L. V. C.The Diffusion and Sorption Dynamics of Acetylene in Zeolites. submitted to 13 IZC, Montpellier, France, (2001) Stud. Surf. Sci. Catal., 135, 269 (2001)
35. Kalló, D. and Onyestyák, Gy.Acetylene Hydration Kinetics on Cd-Clinoptilolite Catalyst Helvetica Chimica Acta, 84, 1157-1162 (2001)
36. Onyestyák, Gy., and Rees, L. V. C. Dynamics of Sorption of Cyclopropane in Various H- and Na-Zeolites React.Kinet.Catal.Lett.74, 201-207 (2001)
37. Onyestyák, Gy. and Rees, L. V. C.The Diffusion and Sorption of Acetylene in Various Zeolites Applied Catalysis A, General , 223/1-2, 57-64 (2002)
38. Onyestyák, Gy., Valyon, J., and Rees, L. V. C. A Rate-Spectroscopic Study of the Sorption and Diffusion of Nitrogen and Oxygen in Zeolites. Proc. FOA7, Nagasaki, Japan (2001)
Fundamentals of Adsorption 7 Eds. K. Kaneko, H. Kanoh, and Y. Hanzawa International Adsorption Society, IK International Ltd., Chiba-City, Japan, pp. 755-762 (2002)
39. Onyestyák, Gy., Valyon, J., and Rees, L. V. C. A Frequency-Response Study on the Kinetics of Propane Sorption in Zeolites. in Proc.FOA7, Nagasaki, Japan, (2001) Fundamentals of Adsorption 7 Eds. K. Kaneko, H. Kanoh, and Y. Hanzawa International Adsorption Society, IK International Ltd., Chiba-City, Japan, pp. 86-92 (2002)
40. Onyestyák, Gy., Valyon, J., Bóta, A., and Rees, L. V. C Frequency Response Evidence for the Parallel Diffusions in the Anisotropic Micropore Structure of Activated Carbon Helvetica Chimica Acta, 85, 2463-2468 (2002)
41. Onyestyák, Gy., Valyon, J., Pál-Borbély, G. and Rees, L. V. C. The skeletal isomerization of n-butene over ferrierite catalysts. submitted to ISSHAC-IV, Krakow, Poland (2001) Applied Surface Science, 196, 401-407 (2002)
42. Onyestyák, Gy., Pál-Borbély, G. and Beyer H. K. Cyclohexan Conversion over H-Zeolite Supported Platinum Applied Catalysis A, General , 229, 65-74 (2002)
43. Onyestyák, Gy. and Kalló, D.Catalytic Behavior of Cd-clinoptilolit Prepared by Introduction of Cadmium Metal Onto Cationic Sites 2nd FEZA, Taormina, Italy (2002) Stud. Surf. Sci. Catal., 142, 1047-1054 (2002)
44. Onyestyák, Gy.Thermal Decomposition of Sodium Azide in Various Microporous Materials 2nd FEZA, Taormina, Italy (2002) Stud. Surf. Sci. Catal., 142, 1793-1800 (2002)
45. Onyestyák, Gy., Valyon, J. and Rees, L. V. C. A Frequency-Response Study of the Kinetics of Ammonia Sorption in Zeolite Particles 2nd FEZA, Taormina, Italy (2002) Stud. Surf. Sci. Catal., 142, 1639-1646 (2002)
46. Valyon, J., Lónyi, F., Onyestyák, Gy. and Papp, J. DRIFT and FR Spectroscopic
Investigation of N2 and O2 Adsorption on Zeolites Microporous and Mesoporous Materials 61, 147-158 (2003)
47. Onyestyák, Gy. and Kalló, D Hydration of acetylene on Zn- and Cd-zeolites Microporous and Mesoporous Materials 61, 199-204 (2003)
48. Onyestyák, Gy., Valyon, J., Hernádi, K., Kiricsi, I. and L. V. C. Rees Equilibrium and Dynamics of Acetylene Sorption in Multiwalled Carbon Nanotubes Carbon 41, 1241-1248 (2003) 49. Ötvös Zs., Onyestyák Gy., Valyon J., Kiricsi I A nitrogén-szorpció dinamikája szén nanocsöveken IX. Nemzetközi Vegyészkonferencia, Kolozsvár, Kiadó Erdélyi Magyar Műszaki Tudományos Társaság 150-153 (2003)
50. Onyestyák, Gy.Solid state reactions between sodium azide and zeolites Stud. Surf. Sci.
Catal.,154, 3044-3051 (2004)
51. Onyestyák, Gy., Pál-Borbély, G., Kalló, D.Acetylene hydration on different Cd-zeolites Stud.
Surf. Sci. Catal.,154, 2831-2838 (2004)
52. Onyestyák Gy., Valyon J., Pál-Borbély G., and Rees L. V. C. Catalytic and mas transport properties of ferrierites: the skeletal isomerization of butén Stud. Surf. Sci. Catal.,154, 2316-2322 (2004)
53. Valyon J.,Onyestyák Gy., and Rees L. V. C. Adsorption and diffusion of nitrogen and oxygen in natural mordenites Stud. Surf. Sci. Catal.,154, 2078-2085 (2004)
54. Ötvös Zs., Onyestyák Gy., Valyon J., Kiricsi I., Rees L. V. C.The Dynamics of H2 and N2
Sorption on carbon nanotubes , Applied Surface Science 238 , 73-76 (2004)
55. Onyestyák Gy., Ötvös Zs., Valyon J., Kiricsi I., Rees L. V. C. Acetylene Sorption Dynamics in Carbon Nanotubes, Helvetica Chimica Acta 87 , 1508-1514 (2004)
56. Onyestyák Gy., Rees L. V. C., László K.Molecular sieve honeycomb for air saparation from Picea abies, Helvetica Chimica Acta 87, 1888-1893 (2004)
57. Onyestyák Gy., László K.Picea Abies- A Precursor for Molecular sieve honeycomb monolith, CD-ROM of the Carbon 2004 Proceedings was produced for the American Carbon Society by Omnipress.
58. Onyestyák Gy., Lónyi F., Valyon J. A study of the reaction between zeolite H-ferrierite and Cd or Zn metal, Journal of Thermal Analysis and Calorimetry, 79, 561-565 (2005)
59. Ötvös Zs., Onyestyák Gy., Valyon J., Kiricsi I., Ress L. V. C. The sorption of butanes over carbon nanotubes, Stud. Surf. Sci. Catal., 156, 617-624 (2005)
60. Onyestyák Gy., Valyon J., Papp K. Novel biomorphous zeolite/carbon composite having honeycomb structure Materials science and engineering: A, 412, 48-52 (2005)
61. Onyestyák Gy., Valyon J., Ress L. V. C. The sorption dynamics of N2 and O2 in zeolite particles Stud. Surf. Sci. Catal., 158, 1019-1026 (2005)
62. Onyestyák Gy., Valyon J., Rees L. V. C. The mass transport of propane, i-butane and neopentane in zeolites: A frequency response study Stud. Surf. Sci. Catal., 158, 1027-1034 (2005) 63. László K., Onyestyák Gy., Rochas C., Marthi K., Geissler E. Honeycomb carbon monoliths from Pinus sylvestris Carbon, 43, 2402-2405 (2005)
64. László K., Onyestyák Gy., Dobos G., Geissler E. Silicon doped honeycomb carbon monoliths CD-ROM of the Carbon 2005 Proceedings was produced for the Korea
65. Onyestyák Gy., Ötvös Zs., Kiricsi I., Rees L. V. C.The sorption dynamics of C3
hydrocarbons over carbon nanotubes Diffusion Fundamentals, 3, 25.1-25.10 (2005)
66. Ötvös Zs., Onyestyák Gy., Hancz A., Kiricsi I., Rees L. V. C. Surface oxygen complexes as governors of neopentane sorption in multiwalled carbon nanotubes Carbon, 44, 1665-1672 (2006) 67. Onyestyák Gy. Pinewood char templated mordenite/carbon honeycomb compositeNew J.
Chem., 30, 1058-1064 (2006)
68. Czakkel O., Geissler E., Onyestyák Gy., László K.Sorption and gas separation properties of spherical carbons CD-ROM of the Carbon 2006 Proceedings was produced for the British Carbon Group
69. Valyon J., Ötvös Zs., Onyestyák Gy., Rees L. V. C. The sorption dynamics of propane, i-butane and neopentane in carbon nanotubes Stud. Surf. Sci. Catal., 160, 439-446 (2007)
70. László K., Dobos G., Onyestyák Gy., Geissler E.Influence of silicon doping on the nanomorphology and surface chemistry of a wood-based carbon molecular sieve Microporous and Mesoporous Materials, 100, 103-110 (2007)
71. Onyestyák Gy Skeletal isomerisation of butene over natural ferrierite React. Kinet. Catal.
Lett., 90, 179-186 (2007)
72. Onyestyák Gy.Comparison of butene skeletal isomerisation selectivity over a pair of comercial H- ferrierites Microporous and Mesoporous Materials, 104, 192-198 (2007)
73. Czakkel O., Geissler E, Onyestyák Gy., Pilatos G., Kouvelos V., Kanellopoulos N.,László K:
High selectivity activated carbon for CO2/CO separation CD-ROM of the Carbon 2007 Proceedings was produced for the American Carbon Society
74. Onyestyák, Gy. The distribution of platinum particles in the bimodal micropore system of an activated carbon Helvetica Chimica Acta, 90, 1889-1896 (2007)
75. Onyestyák Gy., Ötvös Zs., Papp K.:Mass transport dynamics of N2 and O2 in wood-based carbon molecular sieves affected by pre-treatments and comminution Microporous and Mesoporous Materials, 110, 86-91 (2008)
76. Onyestyák Gy., Ötvös Zs., Valyon J., The sorption dynamics of N2, CO2, CO and CH4 in zeolite and carbon molecular sieves, Stud. Surf. Sci. Catal., 174A, 595-598 (2008)
77. Onyestyák Gy. Solid-state ion exchange dynamics of cadmium in zeolite Y, Stud. Surf. Sci.
Catal., 174B, 877-880 (2008)
78. Onyestyák Gy., Bóta A.: Sorption dynamics of N2 and O2 in carbon monoliths from spruce, beech and oak affected by activation, Microporous and Mesoporous Materials, 120, 84-90 (2009)
79. Czakkel O., Onyestyák Gy., Pilatos G., Kouvelos V., Kanellopoulos N.,László K: Kinetic and equilibrium separation of CO and CO2 by impregnated spherical carbons, Microporous and
Mesoporous Materials, 120, 76-83 (2009)
80. Onyestyak Gy.: Solid-state ion-exchange dynamics of Cd2+ cations in zeolites, Topics in Chemistry and Material Science Vol. 4 (2010) Advaced Micro- and Mesoporous Materials-09 51-60, Proceedings of the 3rd International Symposium on Advenced Micro- and Mesoporous Materials Sofia, Bulgaria, 6-9 September 2009
81. Onyestyak Gy.: Cyclohexane reforming on platinum-mordenite catalysts, Topics in Chemistry and Material Science Vol. 4 (2010) Advaced Micro- and Mesoporous Materials-09 255-264, Proceedings of the 3rd International Symposium on Advenced Micro- and Mesoporous Materials Sofia, Bulgaria, 6-9 September 2009
82. Onyestyák Gy.: Mass transport dynamics of N2, CO2, CO and CH4 sorption in zeolite and carbon molecular sieves, Helvetica Chimica Acta, 94, 206-217 (2011)