At HUBER, we go beyond simply supplying products: We know that customer loyalty is not only built on superior product quality, but also on the motivation of a producer to offer life-long product assistance to ensure optimal operation, functionality and performance.
In this section you may get comprehensive infomation about your contacts and the wordwide subsidiaries, offices and representatives within the HUBER group or you may send direct online information requests free of charge.
HUBER offers an extensive selection of different waste water treatment hire units at competitive prices to suit your needs available on short or long term hire. Furthermore we show various new innovative products on working sites in an active environment.
Disinfection in HUBER Medium-Temperature Belt Dryers
As long as the sludge is humid, water is rapidly evaporated and the sludge does not become hotter than 50 to 55 °C, because it is kept cool by the evaporation enthalpy. After the sludge has travelled on the belts about half way through the dryer, it reaches solids contents of 70 – 80 %DS, water evaporation slows and its cooling effect is reduced. Now the sludge is heated up further and reaches temperatures over 70 °C, only slightly less than the temperature of the drying air.
If the sludge is maintained at a temperature of minimum 70 ° for at least 30 minutes, it is safely disinfected. We investigated the situation in one of our full-size belt dryer installations and could prove that this requirement was met. Analysis of faecal coliforms and salmonella confirmed sufficient disinfection.
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