Assimilation is the most important step in biodegradation process in which microorganisms use mainly carbon from monomers to produce CO2, energy and biomass under the aerobic conditions whereas CO2 and CH4 are formed under anaerobic conditions

Assimilation is the most important step in biodegradation process in which microorganisms use mainly carbon from monomers to produce CO2, energy and biomass under the aerobic conditions whereas CO2 and CH4 are formed under anaerobic conditions