1. Makers of bioprocess engineerings

   Announcement Pages: 97 - 97

2. Dynamic filtration in biotechnology

   • S. Wroński
   • E. Molga
   • L. Rudniak

   Originals Pages: 99 - 104

3. A horizontal bioreactor for ethanol production by immobilized cells

   • W. Wöhrer

   Originals Pages: 105 - 111

4. Rheological characterization of xanthan fermentation broths and their reconstituted solutions

   • E. Galindo
   • B. Torrestiana
   • A. Garcia-Rejón

   Originals Pages: 113 - 117

5. Control of anaerobic digesters using Generic Model Control

   • D. J. Costello
   • P. L. Lee
   • P. F. Greenfield

   Originals Pages: 119 - 122

6. Energy balance of ethanol production with a gas-solid fluidized bed fermenter

   • M. Beck
   • W. Bauer

   Originals Pages: 123 - 128

7. Investigations of heat treatment to improve the isolation of intracellular enzymes

   • J. Schnell
   • M. R. Kula

   Originals Pages: 129 - 138

8. Effect of anisothermal conditions on the kinetics of alcoholic fermentation by Saccharomyces cerevisiae

   • J. -M. Sablayrolles
   • P. Barre

   Originals Pages: 139 - 143

9. Product reports from Japan

   Report Pages: 145 - 145

10. Announcements

    Announcement Pages: 146 - 146