Compressors
Compressors are necessary pieces of process equipment in industrial fermentation. They supply the fermentation tank with the air necessary to run the process. Most tanks require a compressor capable of delivering 300 to 400 hp. Plants may choose to use one, or several compressors. For plants that choose a single compressor, the power level rises to 3000 to 4000 hp.
Single-compressor Plants
In single-compressor plants, the costs associated with the day-to-day operation are minimized. If costs were the only means by which process designs are accomplished, then the choice would be simple. There is risk involved with operation of only one, single compressor. If and when it breaks down, the processes that are already being process stand the chance of being compromised, as well as the inability to start new batches until the compressor is fixed.
Multiple-compressor Plants
The redundancy of having multiple compressors in the plant, or a compressor for each unit solves the problems associated with a single-compressor plant. The maintenance and equipment cost for such operation will be much greater than for the single-compressor.
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Last updated April 22, 1997