ANAEROBIC BIOREACTOR FOR TREATMENT OF WASTE WATER Russian patent published in 2003 - IPC

FIELD: biotechnology; fermentation processes at alcohol plants. SUBSTANCE: proposed anaerobic bioreactor for treatment of waste water includes biomass and biogas separator in its upper portion and waste water distributing manifold in lower portion. It is additionally provided with square attachment in its upper portion and hermetic cover fitted with gas hood. Biomass and biogas separator is located in attachment which includes biogas receiving chamber and foam separating chamber. Proposed method excludes emission of activated sludge and reduces time of fermentation of waste water. EFFECT: increased yield of biogas; facilitated maintenance; enhanced ecological safety. 1 dwg, 1 tbl