Energy production
Aerobic digestion
It is the metabolization of organic substances through micro-organisms, whose development depends on the presence of oxygen. These bacteria convert complex substances into simple ones, releasing CO2 and H2O and highly warming up the substrate, according to their methabolic activity. The resulting heat can then be trasferred outside, through fluid heat exchangers. In Europe teh aerobic digestion system is used to treat waste waters. More recently, this technology has spread to Canada and the United States.
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Energy
Renewable and non-renewable
Some sources are renewable, i.e. they provide...
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