The reduction in volume and the decomposition of highly putrescible organic matter to relatively stable or inert organic and inorganic compounds. Sludge digestion is usually done by aerobic organisms in the absence of free oxygen.
The process, in the gastrointestinal tract, by which food is converted into substances that can be utilized by the body.
the process of decomposing organic matter (as in sewage) by bacteria
the organic process by which food is converted into substances that can be absorbed into the body
learning and coming to understand ideas and information; "his appetite for facts was better than his digestion"
the process of decomposing organic matter (as in sewage) by bacteria or by chemical action or heat
learning and coming to understand ideas and information
