An industrial plant is producing a waste effluent that permitting allows them to discharge directly to a nearby river following their own onsite wastewater treatment plant (wwtp). answer the following questions about the waste: d. sludge from this plant moves to anaerobic digestion. describe both stages of anaerobic digestion and what the major products are at each stage. for secondary digestion you must draw both actual reactions in full (but you can show them as full or sets of half rxns)