Bu bölümde, iletişime geçeceğiniz kişiler ve dünya çapındaki HUBER ile çalışan temsilcilikler, ofisler ve distribitörler hakkında kapsamlı bilgiye ulaşabilirsiniz ya da taleplerinizi doğrudan çevrimiçi bir şekilde aktarabilirsiniz.
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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