Reactor configuration modeling for anaerobic digestion of waste activated sludge

摘要

1. The ADM1 model can be applied to raw WAS in order to draw the curve of the relationship between methane yield and specific methane flow rate, which is an important tool for setting the most appropriate digester size from an economical point of view. 2. The modelizations of different digester configuration underlined the importance of the digester biomass concentration, which plays a crucial role in improving the performance of a CSTR, even at short HRT (indeed in Monod equations the process rate is proportional to the biomass concentration). 3. The feeding temporal distribution is munch less effective in enhancing the CSTR performance.