| digester | 1. One who digests. 2. A medicine or an article of food that aids digestion, or strengthens digestive power. "Rice is . . . A great restorer of health, and a great digester." (Sir W. Temple) 3. A strong closed vessel, in which bones or other substances may be subjected, usually in water or other liquid, to a temperature above that of boiling, in order to soften them. Source: Websters Dictionary (01 Mar 1998) |
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| anaerobic digester | This is a bioreactor foranaerobically digesting sewage-laced wastewater.In it, anaerobic bacteriaproduce a mix of methane and carbon dioxide, asmuch as 90% of the chemical energy in the wastewater can be converted to methane, which is typically exhausted continuously and collected for useas a fuel or for a reagent for other industrial chemical reactions. (09 Oct 1997) |
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