If the bacteria in the preparation will inhabit shutting up themselves in inner parts of the aggregates under the anaerobic condition, how can they ingest their nutrients from outer world ?
A-11. @As you have aptly mentioned, it seems that they can rarely ingest the nutrients because they lie in shut spaces in inner parts of the aggregates under the anaerobic condition. By the way, we can find the resembled state of a certain industrial method which is called as ” immobilized microbes “. The method is like this. At first, the specific microbes will be shut up artificially in inner parts of the micro holes in porous granular plastics and they will be immobilized there. After a great deal of the plastics together with the microbes will be put into the tower like large cylinder, then solution containing some components ( as nutrients for the microbes ) will be poured into the top of the tower. After the solution will pass through the tower, some useful substance can be gained by the action of the microbes. In this case the microbes can propagate ingesting the nutrients solved in the solution. @On the other side, almost of the ordinary industrial method is like this. Some use
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