Publications

Friedl A, Qureshi N, Maddox I.  1991.  Continuous acetone-butanol-ethanol (ABE) fermentation using immobilized cells of Clostridium acetobutylicum in a packed bed reactor and integration with product removal by pervaporation. Biotechnology and Bioengineering. 38(5):518-527.

Qureshi N, Maddox I, Friedl A.  1992.  Application of continuous substrate feeding to the ABE fermentation: relief of product inhibition using extraction, perstraction, stripping, and pervaporation. Biotechnology Progress. 8(5):382–390.

Gapes R, Nimcevic D, Friedl A.  1996.  Long-Term Continuous Cultivation of Clostridium beijerinckii in a Two-Stage Chemostat with On-Line Solvent Removal. Applied and Environmental Microbiology. 62(9):3210-3219.

Staudacher M, Harasek M, Brinkmann T, Hilgendorff W., Friedl A.  2002.  CFD-simulation of mass transfer effects in gas and vapour permeation modules. Desalination. 146:237-241.

Schausberger P, Rheina-Wolbeck G, Friedl A, Harasek M, Perz E..  2003.  Enhancement of an object-oriented power plant simulator by seawater desalination topics. Desalination. 156:355-360.

Schlesinger R, Röder T, Götzinger G, Harasek M, Friedl A, Sixta H, Weber H.  2004.  Hemicellulose Fouling Behaviour during Nanofiltration of Press Liquor. Lenzinger Berichte. 83:46-54.

Bolhar-Nordenkampf M, Friedl A, Koss U, Tork T.  2004.  Modelling selective H2S absorption and desorption in an aqueous MDEA-solution using a rate-based non-equilibrium approach. Chemical Engineering and Processing. 43:701-715.

Net M, Harasek M, Friedl A.  2005.  Development of a Gas Permeation Model for Biogas Upgrading. Environmental Engineering and Management Journal. 4(3):303-404.

Schlesinger R, Röder T., Götzinger G, Sixta H, Harasek M, Friedl A.  2005.  Influence of hemicellulose aggregate and gel layer formation on flux and retention during nanofiltration of alkaline solutions. Desalination. 175(1):121-134.

Pröll T, Siefert I, Friedl A, Hofbauer H.  2005.  Removal of NH3 from Biomass Gasification Producer Gas by Water Condensing in an Organic Solvent Scrubber. Industrial & Engineering Chemistry Research. 44:1576-1584.

Schlesinger R, Götzinger G, Sixta H, Friedl A, Harasek M.  2006.  Evaluation of alkali resistant nanofiltration membranes for the separation of hemicellulose from concentrated alkaline process liquors. Desalination. 192:303-314.

Pröll T, Todinca T, Suta M, Friedl A.  2007.  Acid gas absorption in trickle flow columns—Modelling of the residence time distribution of a pilot plant. Chemical Engineering and Processing. 46:262-270.

Boontawan A., Schausberger P, Bösch P, Friedl A.  2008.  Dehydration of Ethanol/Water Mixture Using Pervaporation and Vapor Permeation Technique. Journal of Applied Membrane Science & Technology. 8:29-35.

Schausberger P, Norazman N., Li H., Chen V., Friedl A.  2009.  Simulation of protein ultrafiltration using CFD: Comparison of concentration polarisation and fouling effects with filtration and protein adsorption experiments. Journal of Membrane Science. 337:1-8.

Fuqaha A, Ters T., Zikeli F., Friedl A.  2011.  Evaluation of various ultrafiltration membranes for the treatment of solutions derived from alkali treatment of straw. International Congress on Membranes and Membrane Processes ICOM2011, Amsterdam, The Netherlands.

Rom A, Friedl A.  2012.  Abtrennung von Butanol aus wässrigen Lösungen durch Vakuum-Membran-Destillation. Chemie Ingenieur Technik. 84(8):1298.

Fuqaha A, Zikeli F., Ters T., Friedl A.  2012.  Influence of Lignin Characteristics on the Productivity of Ultrafiltration Membranes. 12th European Workshop on Lignocellulosics and Pulp EWLP2012, Espoo, Finland.

Fuqaha A, Friedl A.  2012.  Nanofiltration Operating Conditions and Fouling Challenges in Drinking Water Treatment. 11th World Filtration Congress & Exhibition WFC11, Graz, Austria.

Lazarova M., Bösch P, Friedl A.  2012.  POMS Membrane for Selective Separation of Ethanol from Dilute Alcohol-Aqueous Solutions by Pervaporation. Separation Science and Technology. 47:1709-1714.

Rom A, Friedl A.  2013.  Modeling of vacuum membrane distillation (VMD) as an approach to separate butanol from aqueous solutions. 3rd International Scientific Conference on Pervaporation, Vapor Permeation and Membrane Distillation PVVPMD, Torun, Poland.

Rom A, Gimeno DEsteve, Friedl A.  2013.  Organophilic Pervaporation of Butanol from an Aqueous Solution with POMS. Chemical Engineering Transactions. 35:1315-1320.

Rom A, Gimeno DEsteve, Friedl A.  2013.  Pervaporation: Study on Different Membranes to Separate Butanol from Aqueous Solutions. 7th International Conference on Environmental Engineering and Management ICEEM2017, Vienna, Austria.

Lassmann T, Friedl A, Harasek M, Miltner M.  2013.  Simulation of a membrane separation process for the purification of hydrogen produced by fermentation based on small scale pilot plant results. 7th International Conference on Environmental Engineering and Management ICEEM2017, Vienna, Austria.

Qureshi N, Friedl A, Maddox I.  2014.  Butanol production from concentrated lactose/whey permeate: Use of pervaporation membrane to recover and concentrate product. Bioenergy and Biofuels. 98(23):9859-9867.

Feichtinger A, Makaruk A, Weinmüller E, Friedl A, Harasek M.  2014.  Collocation Method for the Modeling of Membrane Gas Permeation Systems. International Journal of Nonlinear Sciences and Numerical Simulation. 16(3-4):3074-316.