Dr. Ahmet Erhan AKSOYLU
Address  Department of Chemical Engineering, Bogaziçi University, 80815 Bebek, Istanbul-TURKEY
Telephone (+90-212) 263 1540 - ext: 2336 (office), 1875 (lab)
Telefax  (+90-212) 287 2460
e-mail  aksoylu@boun.edu.tr

 


[Academic Background] [Work Experience][Publications]
Last update: 7/12/2000


 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

ACADEMIC BACKGROUND

Istanbul Atatürk Fen Lisesi (Highschool)
1982-1985  Highschool Diploma

Bogazici University, Department of Chemical Engineering, Istanbul, Turkey
1985-1990  B.Sc.Chem.Eng
1990-1992  M.Sc.Chem.Eng
1992-1997 PhD Chem.Eng

Field of Specialisation

Design and Characterization of Supported Metal Catalysts; Chemical Reaction Engineering and Kinetics

PhD Thesis

Development of Nickel Based Monometallic and Bimetallic Catalysts for the Hydrogenation of Carbon Oxides (Supervisor : Prof. Zeynep Ilsen Önsan, Bogaziçi University)

Awards

Bogazici University Research Fund Best PhD Thesis  Award (1997)
NATO postdoctoral scholarship award (1998)

WORK EXPERIENCE

September 1990-September 1997: Teaching and Research Assistant in Bogaziçi University, Department of Chemical Engineering, Istanbul, Turkey

Spring 1995: Joint research with Prof. David L.Trimm (visiting Prof. at Bogaziçi University)

October 1997-March 1998: Specialist Researcher, Turkish National Science and Research Counsil, TUBITAK (Turkish NSF), Marmara Research Center, Gebze, Turkey

October 1997-February 1998: Part time faculty, Yeditepe University, Istanbul, Turkey

March 1998-present: Post Doctoral researcher, University of Porto, Department of Chemical Engineering, Porto, Portugal (in Prof. J.L.Figueiredo's group)

September 1999-February 2000: Post Doctoral researcher, Texas A&M University, Department of Chemistry, College Station, TX, USA (in Prof. D. Wayne Goodman's group)

February 2000-present: Assistant Professor, Bogaziçi University, Department of Chemical Engineering, 80815, Bebek, Istanbul, Turkey

Current Research Topics

The design and testing of monometallic and bimetallic COx Hydrogenation catalysts

     · the effect of different preparation procedures on the catalytic properties of Ni/Al2O3 catalysts: coprecipitation vs. impregnation
     · the design and testing of bimetallic Ni-Mo/Al2O3 catalysts: the effect of metal loadings and Ni:Mo ratio on specific activity, total activity and selectivity
     · the investigation of the effects of promoters on catalytic performances of COx hydrogenation catalysts: Ni-Mo, Ni-Mo-K, Ni-V and Ni-V-K catalysts on alumina
     · the investigation of the effect of support materials: the design and testing of Ni-Mo catalysts supported on Al2O3, AC and Carbon Covered Alumina (CCA)

The investigation of the surface and adsorption characteristics of Au/TiO2/Mo planar system by IRAS (Infrared Reflection Absorption Spectroscopy), AES (Auger Electron Spectroscopy), LEED (Low Energy Electron Diffraction) and TPD (Temperature Programmed Desorption)

     · the effect of dosing on the type and dispersion of Au clusters formed on TiO2 surface
     · the determination of the effects of MLE (monolayer equivalent) of Au dosing on CO adsorption characteristics of Au/TiO2/Mo system

The design and testing of activated carbon (AC) supported monometallic and bimetallic catalysts

     · the investigation of the effects of different oxidation treatments on chemical and physical properties of AC as a catalyst support
     · the effect of textural and chemical properties of AC on the characteristics of the Pt/AC and Pt-Sn/AC catalysts
     · the test and comparison of different preparation methods on the characteristics of Pt/AC and Pt-Sn/AC catalysts
     · the test and comparison of different preparation methods on the characteristics of Pt/AC catalysts: Chemical Vapor Deposition (CVD) vs. impregnation
     · the search for optimal design of Pt-Sn/AC catalysts to be used in CO oxidation

Other Fields

Process Dynamics and Control, Process Design and Economics

Professional Memberships

American Chemical Society

PUBLICATIONS

Papers in International Journals

1. Aksoylu, A. E., Akin, A. N., Önsan, Z. I., Trimm, D. L., "Structure/Activity Relationships in Coprecipitated Nickel/Alumina Catalysts using CO2 Adsorption and Methanation", Applied Catalysis A: General , 145 (1996) 185-193.

2. Aksoylu, A. E., Akin, A. N., Sunol, S. G., Önsan, Z. I, "The Effect of Metal Loading on the Adsorption Parameters of Carbon Dioxide on Coprecipitated Nickel-Alumina Catalysts", Turkish Journal of Chemistry, 20 (1996) 88-94.

3. Aksoylu, A. E., Önsan, Z. I., "Hydrogenation of Carbon Oxides using Coprecipitated and Impregnated Nickel-Alumina Catalysts", Applied Catalysis A: General 164 (1997) 1-14.

4. Aksoylu, A. E., Misirli, Z., Önsan, Z. I., "Interaction between Nickel and Molybdenum in Ni-Mo/Alumina Catalysts : I. CO2 Methanation and SEM-TEM Studies",  Applied Catalysis A: General 168(2) (1998) 385-397.

5. Aksoylu, A. E., Önsan, Z. I., "Interaction between Nickel and Molybdenum in Ni-Mo/Alumina Catalysts: II. CO Hydrogenation", Applied Catalysis A: General  168(2) (1998) 399-407.

6. Aksoylu, A. E., Önsan, Z. I., "Hydrogenation of Carbon Oxides over Ni-Mo/Alumina Catalysts with and without K Promotion", Industrial and Engineering Chemistry Research, 37 (1998) 2397-2403.

7. Isli, I., Aksoylu, A. E., Önsan, Z. I., "The effect of Lanthanum and Barium Additives on the Thermal Stabilization of g-Al2O3", Turkish Journal of Chemistry, 22 (1998) 253-260.

8. Serp, Ph., Hierso, J. -C., Feurer, R., Kihn, Y., Kalck, Ph., Faria, J. L., Aksoylu, A. E., Pacheco, A. M. T., Figueiredo, J. L. "Single-Step Preparation of Activated Carbon Supported Platinum Catalysts by Fluidized Bed Metal-Organic Chemical Vapor Deposition (FBMOCVD)", Carbon 37(3) (1999) 527-530.

9. Akin, A. N., Aksoylu, A. E., Önsan, Z. I., "Adsorption and Reaction Studies on Cobalt-Alumina Catalysts Prepared by Changing pH Coprecipitation", Reaction Kinetics and Catalysis Letters, 66(2) (1999) 393-399.

10. Aksoylu, A. E., Isli, A. I., Önsan, Z. I., "Interaction between Nickel and Molybdenum in Ni-Mo/Al2O3 Catalysts: III. Effect of impregnation strategy", Applied Catalysis A: General, 183 (1999), 357-364.

11. Aksoylu, A. E., Freitas, M. M. A, Isli, I., Figueiredo, J. L., "Bimetallic Pt-Sn Catalysts Supported on Activated Carbon: I. The Effects of Support Modification and Impregnation Strategy", Applied Catalysis A: General, 192 (2000) 29-42.

12. Karaselçuk, R., Isli, I., Aksoylu, A. E., Önsan, Z. I., " CO Hydrogenation on Ni-V/Alumina Catalysts", Applied Catalysis A: General, 192 (2000) 263-271.

13. Bülbül , T., Isli, A. I., Aksoylu, A. E., Onsan, Z. I., "Investigation of Alternative Support Materials for Monometallic and Bimetallic Catalysts of CO Hydrogenation", Studies in Surface Science an Catalysis, 130 (2000) 3723-3728.

14. Serp, Ph., Hierso, J-C., Feurer, R., Corratge, R., Kihn, Y., Kalck, Ph., Aksoylu, A. E., Faria, J. L, Pacheco, A. M. T., Figueiredo, J. L., “Characterisation and Reactivity of Activated Carbon Supported Platinum Catalysts Prepared by Fluidised Bed Organometallic Chemical Vapour Deposition (FBOMCVD)”, Studies in Surface Science and Catalysis, 130 (2000) 1001-1006 .

15. Aksoylu, A. E., Freitas, M. M. A, Figueiredo, J. L. "Bimetallic Pt-Sn Catalysts Supported on Activated Carbon: II. CO Oxidation", Catalysis Today, accepted for publication.

16. Aksoylu, A. E., Freitas, M. M. A, Pereira, M. F. R., Figueiredo J. L., "The Effects of Different Activated Carbon Supports and Support Modifications on Catalytic Properties of Pt/AC Catalysts", Carbon accepted for publication.

17. Aksoylu, A. E., Serp, Ph., Hierso, J. -C., Faria, J. L., Pereira, M. F. R., , Feurer, R., Kihn, Y., Kalck, Ph., Figueiredo, J.L., "Activated Carbon Supported Platinum Catalysts Prepared by OMCVD : A Comparison with Impregnated Catalysts", to be submitted to Journal of Catalysis.

18. Choudhary, T. V., Aksoylu, A. E., Goodman, D. W., "Non-Oxidative Activation of Methane via Its Decomposition", in preparation.
 

Papers in International Meetings

1. Aksoylu, A. E., Akin, A. N., Sunol, S. G., Önsan, Z. I, "Preparation and Characterization of Coprecipitated Nickel-Alumina Catalysts", 35th IUPAC Congress, Abstract Book, Vol.1, p.505, Istanbul, 1995.

2. Akin, A. N., Aksoylu, A. E., Sunol, S. G., Önsan, Z. I., "Hydrocarbon Synthesis by Carbon Monoxide Hydrogenation on Coprecipitated Cobalt Catalysts", 35th IUPAC Congress , Abstract Book, Vol. 1, p.308, Istanbul, 1995.

3. Aksoylu, A. E., Akin, A. N., Önsan, Z. I., "Hydrogenation of Carbon Oxides for the Production of C1-C4 Hydrocarbons using Nickel and Cobalt Based Catalysts", presented at the NATO-ASI on "Advances and Challenges in the Catalytic Activation and Functionalisaton of Light Alkanes", 25 May-7 June, 1997, Algarve-Portugal.

4. Aksoylu, A. E., Önsan, Z. I., "The Effect of Mo on the Structure and Activity of Ni/Al2O3 Catalysts: Hydrogenation of Carbon Oxides", presented at Third European Congress on Catalysis, 31 August-6 September, 1997, Krakow-Poland.

5. Aksoylu, A. E., Önsan, Z. I., "A Parametric Study on CO2 Hydrogenation by Ni-based Monometallic and Bimetallic Catalysts", 215th American Chemical Society Meeting, 29 March-2 April, 1998, Dallas-Texas, USA.

6. Karaselcuk, R., Isli, I., Aksoylu, A. E., Önsan, Z. I., "CO Hydrogenation on Ni-V/Alumina Catalysts", 48th Canadian Chemical Engineering Conference, October 4-7, 1998, London-Ontario, Canada.

7. Serp, Ph., Hierso, J. -C., Feurer, R., Kihn, Y., Kalck, Ph., Faria, J. L., Aksoylu, A. E., Pacheco, A. M. T., Figueiredo, J. L., "Preparation of Pt Catalysts Supported on Activated Carbon by Organo Metallic CVD", XII Luso-Galego Chemical Congress, November 11-13, 1998 Matosinhos, Portugal.

8. Aksoylu, A.E., Önsan, Z. I., "Synergetic Interactions in Bimetallic Nickel Catalysts", American-Turkish-Israeli Tri-National Chemical Engineering Conference, 9-11 March, 1999, Haifa, Israel.

9. Aksoylu, A. E., Freitas, M. M. A., Figueiredo, J. L., "Characterization of Bimetallic Pt-Sn Catalysts Supported on Unmodified and Modified Activated Carbon", to be presented at the American Carbon Society 24th Biennial Conference on Carbon, July 11-16, 1999, South Carolina, USA.

10. Aksoylu, A. E., Freitas, M. M. A., Figueiredo, J. L., "An Investigation on the Use of Activated Carbon as a Support for Monometallic and Bimetallic Pt-Based Catalysts" submitted to NATO-ASI on "Combinatorial Methods for High Throughput Catalyst Design and Testing", July 11-24, 1999, Algarve-Portugal.

11. Aksoylu, A. E., Freitas, M. M. A., Figuerido, J. L., " The Effects of Different Activated Carbon Supports and Oxidation Treatments on the Properties of Pt Based Catalysts" presented at 217th American Chemical Society Meeting, August 22-26, 1999, New Orleans, USA.

12. Bülbül, T., Isli, A. I., Aksoylu, A. E., Önsan, Z. I., "Investigation of Alternative Support Materials for Monometallic and Bimetallic Catalysts of CO Hydrogenation", submitted to The 12th International Congress on Catalysis, July 2000, Granada, Spain.

13. Serp, Ph., Hierso, J-C., Feurer, R., Corratge, R., Kihn, Y., Kalck, Ph., Aksoylu, A. E., Faria, J. L, Pacheco, A. M. T., Figueiredo, J. L., "Preparation, Characterization and Recativity of Activated Carbon Supported Platinum Catalysts by Fluidized Bed Metal-Organic Chemical Vapor Deposition (FBMOCVD), submitted to the 12th International Congress on Catalysis, July 2000, Granada, Spain.

14. Aksoylu, A. E., Freitas, M. M. A., Pereira, M. F., Figueiredo, J. L., "Preparation and Characterization of Pt and Pt-Sn Catalysts Supported on Activated Carbon", accepted for presentation at 17th Ibero-American Symposium on Catalysis, July 16-21, 2000, Porto, Portugal.

15. Aksoylu, A. E., Freitas, M. M. A., Onsan, Z. I., Figueiredo, J. L., “An investigation on the use of activated carbon as a catalyst support”, accepted for presentation at American Institute for Chemical Engineers (AICHE) 2000 Annual Meeting, November 12-17, Los Angeles, USA.

16. Akin, A. N., Avci, A. K., Aksoylu, A. E., Önsan, Z. I., "Role of Catalysis in the Development of Cleaner Processes", UNIDO ICS Workshop on Catalytic Processes for Clean Chemistry and Water and Air Depollution, 19-22 November 2000, Hammemet, Tunisia.
 

Papers in National Meetings

1. Akin, A. N., Aksoylu, A. E., Sunol, S. G., Önsan, Z. I., "The Effect of Catalyst Preparation Techniques on Catalyst Properties of Cobalt-Alumina Catalysts", Proc. 1st National Chemical Engineering Congress, Vol 1, pp.179-188, Ankara, 1994.

2. Aksoylu, A. E., Akin, A. N., Sunol, S. G., Önsan, Z. I, "CO Hydrogenation using Cobalt and Nickel Based Catalysts", Proc. 2nd National Chemical Engineering Congress, Vol.1, p.63-68, ITU-Istanbul, 1996.

3. Isli, I., Aksoylu, A. E., Önsan, Z. I., " The Effect of Preparation Strategies on the Properties of Bimetallic Catalysts Used for CO2  Methanation", 3rd National Chemical Engineering Congress, Atatürk University, Erzurum, 1-4 September 1998, accepted for presentation.


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