selected publications

• academic article

  • On-line measurement and control of penicillin V production in a tower loop reactor.  Journal of Chemical Technology & Biotechnology.  38:41-53. 2007
  • Some basic principles for the layout of tower bioreactors.  Journal of Chemical Technology & Biotechnology.  32:73-80. 2007
  • Production of xylanase by Aspergillus awamori on complex medium in stirred tank and airlift tower loop reactors.  Journal of Biotechnology.  56:205-216. 1997
  • Production of xylanase by Aspergillus awamori on synthetic medium in stirred tank and airlift tower loop reactors: the influence of stirrer speed and phosphate concentration.  Journal of Biotechnology.  56:103-114. 1997
  • Fluiddynamic characterization of airlift tower loop bioreactors with and without motionless mixtures.  Bioprocess Engineering.  12:119-130. 1995
  • Fluiddynamic characterization of airlift tower loop bioreactors with and without motionless mixtures.  Bioprocess Engineering.  12:119-119. 1995
  • Interpretation of gas residence time distributions in large airlift tower loop reactors.  Bioprocess Engineering.  1994
  • The influence of preculture on the process performance of penicillin V production in a 100-l air-lift tower loop reactor.  Applied Microbiology and Biotechnology.  37. 1992
  • Characterization of a pilot plant airlift tower loop bioreactor: II. Evaluation of global mixing properties of the gas phase during yeast cultivation.  Biotechnology and Bioengineering.  37:910-917. 1991
  • Comparison of Cephalosporin C Production in Stirred-Tank and Airlift Tower Loop Reactors.  Annals of the New York Academy of Sciences.  1990
  • Comparison of the performances of stirred tank and airlift tower loop reactors.  Journal of Biotechnology.  13:251-256. 1990
  • Growth of E. coli in a stirred tank and in an air lift tower reactor with an outer loop.  Bioprocess Engineering.  2:13-23. 1987
  • Penicillin acylase production by E. coli.  Bioprocess Engineering.  2:55-58. 1987
  • Single Cell Protein Processes in Air Lift Tower Loop Bioreactors, a Distributed Parameter Problem.  IFAC Proceedings Volumes.  16:469-475. 1983
  • Characterization of the two-phase systems in airlift tower-loop bioreactors during the cultivation ofE. coli.  Biotechnology and Bioengineering.  25:437-450. 1983
  • Cultivation ofE. coliin single- and ten-stage tower-loop reactors.  Biotechnology and Bioengineering.  25:417-436. 1983
  • Apparatetechnische Aspekte der Kultivierung von Einzellern in Turmreaktoren.  Chemie Ingenieur Technik.  55:123-134. 1983
  • Model development, parameter identification, and simulation of the SCP production process in air lift tower bioreactors with external loop—I.  Computers & Chemical Engineering.  7:43-50. 1983
  • Process optimization of a continuous airlift tower-loop reactor.  Biotechnology and Bioengineering.  24:1851-1869. 1982
  • Identification of mass-transfer parameters and process simulation of SCP production process in airlift tower reactors with an external loop.  Biotechnology and Bioengineering.  24:817-835. 1982
  • Nonsteady-state simulation of extended cultures in tower loop reactors.  Chemical Engineering Science.  37:1771-1783. 1982
  • Performance of continuous tower loop bioreactors—II model calculations for substrate limited growth.  Chemical Engineering Science.  37:417-424. 1982
  • Performance of tower loop bioreactors—I.  Chemical Engineering Science.  37:271-276. 1982
  • Growth simulation of Hansenula polymorpha.  European journal of applied microbiology and biotechnology.  1981
  • Comparison of single- and three-stage tower loop reactors.  European journal of applied microbiology and biotechnology.  1981
  • Cultivation of Hansenula polymorpha in tower loop reactors.  Applied Microbiology and Biotechnology.  11:89-96. 1981

• chapter

  • Characterization and performance of single- and multistage tower reactors with outer loop for cell mass production.  Advances in Biochemical Engineering / Biotechnology. 93-224. 1982
  • Oxygen transfer into highly viscous media.  Advances in Biochemical Engineering / Biotechnology. 71-174. 1981
  • Application of tower bioreactors in cell mass production.  Advances in Biochemical Engineering / Biotechnology. 63-131. 1978