The moving bed biofilm process combines the technologies of activated sludge processes and biofilm processes. The moving bed biofilm process is frequently used for the upgrading of an existing plant, especially when space is an issue. High-rate biofilm systems such as the Kaldnes Moving Bed Reactor (KMB) or the NATRIX technology are highly efficient in removing the soluble organic and nitrogen load.

The first KMB reactor was built in the beginning of the 1990s. Nowadays there are about 20 full-scale plants in Norway using the KMB process for municipal wastewater treatment, mainly for BOD removal but it can also be applied for removal of nitrogen. A number of similar process designs have been developed and patented. The Kaldnes Moving Bed Reactor (KMB) and the NATRIX process are presented together, since there is a close cooperation between the suppliers of these technologies.


Auteur: --
Herkomst: Stowa Selected Technologies: fact sheets
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