Find an up-to-date list at http://publicationslist.org/zoltan.kovacs

Scientific papers

R. Paulen, M. Fikar, Z. Kovács, P. Czermak. Process optimization of diafiltration with time-dependent water adding for albumin production. Chemical Engineering and Processing: Process Intensification, Accepted for publication. doi:10.1016/j.cep.2011.05.010

M. Fikar, Z. Kovács, P. Czermak. Dynamic optimization of batch diafiltration processes. Journal of Membrane Science, 355 (2010) 168-174. doi:10.1016/j.memsci.2010.03.019

A. Román, Gy. Vatai, A. Ittzés, Z. Kovács, P. Czermak. Modeling of diafiltration processes for demineralization of acid whey: an empirical approach. Journal of Food Process Engineering. Accepted for publication.

Z. Kovács, M. Fikar, P. Czermak. Mathematical modeling of diafiltration. Hungarian Journal of Industrial Chemistry. 37 (2009) 159-164.

K. Grau, T. Hahn, Z. Kovács. Bioprozesstechnik - Verfahren und Apparate auf der ACHEMA. (in German). Chemie Ingenieur Technik, 81 (2009) 1903-1907. doi:10.1002/cite.200990122

Z. Kovács, M. Discacciati, W. Samhaber. Modelling of batch and semi-batch membrane filtration processes. Journal of Membrane Science, 327 (2009) 164-173. doi:10.1016/j.memsci.2008.11.024

Z. Kovács, M. Discacciati, and W. Samhaber. Modeling of amino acid nanofiltration by irreversible thermodynamics. Journal of Membrane Science, 332 (2009) 38-49. doi:10.1016/j.memsci.2009.01.034

Z. Kovács and W. Samhaber. Nanofiltration of concentrated amino acid solutions. Desalination, 240 (2009) 78-88. doi:10.1016/j.desal.2007.11.067

Z. Kovács and W. Samhaber. Contribution of pH dependent osmotic pressure to amino acid transport through nanofiltration membranes. Separation and Purification Technology, 61 (2008) 243-248. doi:10.1016/j.seppur.2007.10.018

Z. Kovács and W. Samhaber. Characterization of nanofiltration membranes with uncharged solutes. Membrantechnika, 12 (2) (2008) 22-36.

Z. Kovács, M. Discacciati, and W. Samhaber. Numerical simulation and optimization of multi-step batch membrane processes. Journal of Membrane Science, 324 (2008) 50-58. doi:10.1016/j.memsci.2008.06.060

Z. Kovács and M. Discacciati. Modelling of multi-step microfiltration process for solvent removal. Hungarian Journal of Industrial Chemistry, 36 (2008) 65-69.

Conference proceedings

Z. Kovács, A. Román, Gy. Vatai, A. Ittzés, P. Czermak, Simulation of whey demineralization by nanofiltration, 5th Membrane Science and Technology Conference (PERMEA 2010), Tatranské Matliare, Slovakia

R. Paulen, Z. Kovács, M. Fikar, P. Czermak, Dynamic optimization of batch membrane filtration processes, 5th Membrane Science and Technology Conference (PERMEA 2010), Tatranské Matliare, Slovakia

Z. Kovács, R. Paulen, M. Fikar, P. Czermak, Dynamic-volume diafiltration, Gordon Research Conference 2010, Membranes: Materials & Processes, New London, NH, USA

Z. Kovács, M. Fikar, P. Czermak, A unified modeling approach for the optimization of water usage in batch diafiltration processes, NAMS/ICIM 2010, Washington D.C., USA

Z. Kovács, L. Engel, K. Grau, T. Hahn, M. Ebrahimi, and P. Czermak, Modeling of enzymatic synthesis of fructooligosaccharide in continuous membrane reactors. Filtech 2009 International Conference and Exhibition for Filtration and Separation Technology, Wiesbaden, Germany.

Hahn, T. and Kovács, Z. and Hannemann, I. and Grau, K. and Schmidt, H.J. and Kraume, M. and Czermak, P.Membrane bioreactor with submerged ceramic flat membranes for the production of organic acids. Filtech 2009 International Conference and Exhibition for Filtration and Separation Technology, Wiesbaden, Germany.

Kovács, Z. Ebrahimi, M. and Czermak, P. Optimal control of wash water utilization in batch diafiltration. Euromembrane 2009 - The EMS Conference, Montpellier, France.

Kovács, Z. Engel, L. Grau, K. Hahn, T. Ebrahimi, M. and Czermak, P. Mathematical modeling of enzymatic fructooligosaccharide production in continuous membrane reactor. Euromembrane 2009 - The EMS Conference, Montpellier, France.

Hahn, T. and Kovács, Z. and Schieber, S. and Hannemann, I. and Grau, K. and Schmidt, H.J. and Czermak, P. Continuous membrane bioreactor system with submerged ceramic flat membranes for the production of lactic acid. Euromembrane 2009 - The EMS Conference, Montpellier, France.

Grein, T. A. and Kovács, Z. and Michalsky, R. and Czermak, P. Purification of a recombinant baculovirus by ion exchange membrane chromatography. Euromembrane 2009 - The EMS Conference, Montpellier, France.

Ebrahimi M, L Engel, Z Kovács, P. Czermak, Oligosaccharide synthesis in different continuous membrane reactor systems, NAMS Meeting 2009, June 20-24, 2009, Charleston, USA

K. Grau, M. Ebrahimi, L. Engel, Z. Kovács, P. Czermak, Membrangestützte Herstellung von Galacto- und Fructo-Oligosacchariden (in German), Kongress Lebenstechnologie 2009 - Gesellschaft Deutscher Lebensmitteltechnologen e.V., 2009, Lemgo, Germany.

Kovács, Z. and Fikar, M. and Czermak, P. Mathematical Modeling of Diafiltration. Conference of Chemical Engineering 2009, Veszprém, Hungary.

Ebrahimi, M. and Engel, L. and Kovacs, Z. and Czermak, P. Oligosaccharide Synthesis in Different Continuous Membrane Reactor Systems. Conference of Chemical Engineering 2009, Veszprém, Hungary.

Grein, T. A. and Michalsky, R. and Kovacs, Z. and Czermak, P. Virus Capture, Purification and Virus Clearance by Tangential Flow Ultrafiltration and by Adsorber Membranes. Conference of Chemical Engineering 2009, Veszprém, Hungary.

Weber, C. and Pohl, S. and Poertner, R. and Wallrapp, C. and Geigle, P. and Kovacs, Z. and Czermak, P. Development of Bioreactor Systems for the Production of Stem Based Cell Therapeutic Implants. Conference of Chemical Engineering 2009, Veszprém, Hungary.

Kovács, Z. and Ebrahimi, M. and Czermak, P. Optimal operational design in batch diafiltration. Conference Permea 2009, Prague, Czech Republic.

Kovács, Z. and Engel, L. and Grau, K. and Hahn, T. and Ebrahimi, M. and Czermak, P. Experimental and modeling study of fructooligosaccharides formation in continuous membrane reactors. Conference Permea 2009, Prague, Czech Republic.

Hahn, T. and Kovács, Z. and Hannemann, I. and Grau, K. and Schmidt, H.J. and Czermak, P. Continuous organic acid production in a membrane bioreactor with submerged ceramic flat membranes. Conference Permea 2009, Prague, Czech Republic.

Z. Kovács, M. Discacciati, and W.Samhaber. Modelling of multi-stage membrane process for solvent exchange. Engineering with Membranes 2008. Proceedings pp. 77-80, Vale de Lobo, Portugal, 25-28 May 2008.

Z. Kovacs, W. Samhaber, Numerical techniques for batch membrane system design, Conference on Chemical Engineering Paper No. 230, Veszprém, Hungary, 22-24 April 2008

Z. Kovacs, W. Samhaber, Modelling and optimization of multi-stage batch processes, 10th World Filtration Congress Vol. II p. 241, Leipzig, Germany, 16-18 April 2008.

Z. Kovacs, W. Samhaber, Nanofiltration of concentrated amino acid solutions.  PERMEA 2007 Membrane Technology Conference, Siófok, Hungary, 2-6 Sept. 2007.

Z. Kovacs, W. Samhaber, Effect of Concentration and Ionization State on Amino Acid Nanofiltration, ACHEMA Paper No. 1360, Frankfurt am Main, Germany, 15-19 May 2006

Z. Kovacs, W. Samhaber. Effect of Concentration and Ionization State on Amino Acid 
Nanofiltration.
ACHEMA 2006 Proceedings pp. 84, Frankfurt am Main, Germany, 15-19 May 2006.

V. M. Balcão, K. M. Bélanger, Z. Kovács, C. Mateo, R. Fernandez-Lafuente, F. X. Malcata, J.M. Guisán, Bi-enzymatic multimeric systems: cross-linked coaggregation versus coimmobilization, 10th European Congress on Biotechnology, Madrid, Spain, 08-12 July, 2001.

Technical reports

Z. Kovács and W.Samhaber. Fractionation of a biological multi-component system by multi-step ultrafilration process. Under company confidental property, (2008), Institute of Process Engineering, IVT - JKU, Linz, Austria.

Z. Kovács and W.Samhaber. Concentration of acetic acid with reverse osmosis. Under company confidental property, (2008), Institute of Process Engineering, IVT - JKU, Linz, Austria.

Z. Kovács and W.Samhaber. Separation of differently charged organic compounds with nanofiltration under conditions of high pH and temperature: membrane screening and long-term performance tests. Under company confidental property, (2007), Institute of Process Engineering, IVT - JKU, Linz, Austria.

Z. Kovács and W.Samhaber. Inorganic salt removal from industrial feed containing amino acid derivate. Under company confidental property, (2007), Institute of Process Engineering, IVT - JKU, Linz, Austria.