BIOMICROFILTER Russian patent published in 2000 - IPC

FIELD: cleaning of sewage at settlements and at production of biological fertilizers. SUBSTANCE: biomicrofilter has upper and lower disks arranged in parallel and detachable conical filtering partitions placed in between. Partition is woven from Carbyne threads obtained by extrusion from graphite melt. Inner space of partition communicates with substrate branch pipe through pressure space of upper disk provided with tubes with perforated walls. Bottom end of tubes is stopped. EFFECT: increased capacity and enhanced reliability of biomicrofilter in operation. 2 dwg