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Anaerobic digestion of lipid-rich waste : effects of lipid concentration
Cirne, D. G.; Paloumet, X.; Björnsson, L.; Alves, M. M.; Mattiasson, B.The influence of lipid concentration on hydrolysis and biomethanation of a lipid-rich (triolein) model waste was evaluated in batch. The effect of increasing the concentration of lipid from 5% to 47% (w/w), based on chemical oxygen demand (COD), was investigated. The methane recovery observed was above 93% for all tests. An initial lag phase of approximately 6–10 days was observed for all tests. The methane pro...
Influence of lipid concentration on the hydrolysis and biomethanation of lipid ...
Cirne, D. G.; Paloumet, X.; Björnsson, L.; Alves, M. M.; Mattiasson, B.The influence of lipid concentration on hydrolysis and biomethanation of an artificial lipid rich (triolein) waste was evaluated. No inhibition on methane production was observed for tests with 5, 10 and 18 % (w/w, based on COD) of lipid. For higher amounts of lipid (31, 40 and 47 %) inhibition was observed. However, the process was able to recover from the inhibition. When the effect of lipase addition on enzy...
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