Bioresource Technology
Bioresource Technology
5 years ago

Effect of agitation time on nutrient distribution in full-scale CSTR biogas digesters

The aim of this work was to study the impact of reduced mixing time in a full-scale CSTR biogas reactor from 10 to 5 and to 2min in half an hour on the distribution of DM, acetic acid and FOS/TAC as a measure to cut electricity consumption. The parameters in the digestate were unevenly distributed with the highest concentration measured at the point of feeding. By reducing mixing time, the FOS/TAC value increases by 16.6%. A reduced mixing time of 2min lead to an accumulation of 15% biogas in the digestate.

Publisher URL: www.sciencedirect.com/science

DOI: S0960852417316036

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