Abstract
AbstractLow Waste Water Load by Complete Exploitation of the Potato Dry Substance During Starch Production. As a result of mechanized harvesting processes for potatoes, special attention has to be paid in potato starch factories to the neutralization of flotation and washing waters. This means consequent recirculation as well as continuous pull‐out of mud and suspended matter before decomposition of the organic material.The main source for pollution of starch waste waters is the biologically valuable fruit juice of the potato. An extensive separation and utilization of this substance leads to considerable relief of the waste water. A number of possibilities for utilization as a function of the processing capacity are discussed in detail. Apart from using it as feed either directly or after fermentation and acetone butanol fermentation, the use of fermented and de‐proteinized fruit water concentrate is of importance in technological microbiology, in methane fermentation and feed granulation.Additional purification of the mixed and pre‐purified waste waters in activation filter plants, biological ponds or by sprinkling become substantially more easy by two‐step separation by means of suitable.
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