A waste processing system includes: an input module for converting input organic waste into processed input waste; a digester module, coupled to the input module, for generating biogas and digester effluent from the processed input waste, including: a digester tank; baffles affixed within the digester tank; a digester process solution in the digester tank including, hydrolytic bacteria, acidogenic bacteria, acetogenic bacteria, methanogenic bacteria, or a combination thereof, for converting the processed input waste into the biogas and the digester effluent; and an output module, coupled to the digester module, for collecting the biogas and digester effluent after a residence period.