A new moving bed biofilm reactor has been developed in Norway. The biomass is attached to carrier elements that move freely along with the water in the reactor. It is demonstrated in the paper that this results in a very compact reactor and a very efficient biomass. Experiences from pilot and full-scale testing of the reactor in municipal and industrial wastewater treatment applications are presented and discussed.
A new moving bed biofilm reactor (MBBR) has been developed, where the biomass is attached to small plastic elements that move freely along with the water in the reactors. Pilot-tests with these new biofilm reactors, have been performed at four different pulp and paper mills. The wastewaters tested were paper mill effluent, bleachery effluent, NSSC effluent and a mixture of CTMP and ground wood effluents. Good results were obtained with all the different wastewaters. These results are presented and discussed, together with full-scale design data for the MBBR treatment plants constructed at two of the mills.
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