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Anaerobic pretreated paper process water was characterized interms of readily biodegradable, slowly biodegradable, very slowly biodegradable and inert wastewaterfractions under mesophilic and thermophilic conditions. The anaerobic pretreated paper process water containeda relatively high amount of slowly biodegradable components and few easily biodegradable componentsas indicated by the ratio of short...
A novel reactor concept has been developed that combines Ca2+ removal and BOD conversion under mesophilic (30 °C ) as well as under thermophilic (55 °C ) conditions. Soluble Ca2+, present in many industrial wastewaters, precipitates as a result of forced aeration in the aerobic bioreactor. The CaCO3 precipitates, in turn, act as a carrier material for biofilm growth. This resulted in dense rapidly...
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