| 摘要 |
<p>With known carrier materials in bioreactors there is frequently blockage of the reactor with microorganisms or organic compounds. The new carrier material intends to make it possible for microorganisms or animal cells to be immobilised in a high concentration without blockage of the bioreactor occurring. <??>This object is achieved by using as carrier material beads which, on the one hand, consist of an open-pore inorganic sintered body which has pores which pass through the inside and are open to the outside and in which microorganisms and animal cells are able to be immobilised and grow and, on the other hand, have a density and a diameter such that, in a preset fluidised bed flow, the shear forces of the beads suffice to shear off the microorganisms or animal cells growing out of the interior of the beads and/or located on the surface. <??>The invention makes it possible to combine the advantages of the fixed bed reactor with the advantages of the fluidised bed reactor, and to avoid the disadvantages of both processes. The carrier material is not confined to the digestion of domestic and industrial effluents, it can also be employed for the biotechnological obtaining of essential dietary substances and pharmacological substances and of fermentation products. </p> |
