lecture notes-bioreactor design and operation-1

lecture notes-bioreactor design and operation-1 -...

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Unformatted text preview: Bioreactor Analysis and Operation Chapter 9&10 (textbook)- Overview of bioreactors- Modified batch and continuous reactors- Scale up/down- Immobilized cell systems- Operation consideration- Sterilization- Bioreactor Instrumentation and control- Fermentation processes- solid state: water content: 40~ 80%, mostly mold fermentation on agriculture products and food: rice, wheat, barley, corn and soybean. e.g.rotary drum fermentator- submerged systems: water content > 95% e.g. bacteria, yeast. Bioreactor Analysis and Operation- Overview of bioreactors for submerged system- Classification: operation modes:- batch: stirred tank- continuous: chemostat, fluidized-bed- modified types of the above modes: fed-batch, chemostat with recycle, multi-stage continuous reactors Oxygen supply:- aerobic: airlift- anaerobic Form of biocatalyst:- free cell (enzyme)- immobilized cell (enzyme) packed-bed, membrane reactor Bioreactor Analysis and Operation Industrial Bioreactor Glacial Lakes Energy in Watertown, South Dakota 47+ million gallon per year ethanol production . World's Largest Industrial Fermenter ( Chem. Eng. News,10-Apr-78 ) The fermenter is 200' high and 25 ft diam. Requirements for Cultivation Methods...
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lecture notes-bioreactor design and operation-1 -...

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