Question

what do you mean by anaerobic digestion and aerobic digestion?​

Answer 1

In an anaerobic system there is an absence of gaseous oxygen. In an anaerobic digester, gaseous oxygen is prevented from entering the system through physical containment in sealed tanks. ... In an aerobic system, such as composting, the microorganisms access free, gaseous oxygen directly from the surrounding atmosphere.

Answer 2

$\small\mathbf\purple{{Anaerobic \: Digestion }}$

• Anaerobic Digestion is a process through which bacteria break down organic matter—such as animal manure, wastewater biosolids, and food wastes—in the absence of oxygen.

$\small\mathbf\pink{{ Aerobic \: Digestion }}$

• In an aerobic system, such as composting, the microorganisms access free, gaseous oxygen directly from the surrounding atmosphere.