Biological purification loop device and method having deflector

Details Biological purification loop device and method having deflector Biological purification loop device and method having deflector

1989-02-23

1990-09-04

Fisher, Richard V.

Liquid purification or separation

Processes

Treatment by living organism

210617, 210622, 210623, 210629, 210151, 2101953, 210197, C02F 302

Patent

active

049542575

ABSTRACT:
The present invention relates to a reactor for biological purification of pollutant-containing water in a closed vessel by means of loop operation. This vessel contains, disposed vertically and concentrically with respect to its jacket and to each other, an insertable pipe that is open at both ends, into which a nozzle projects for the purpose of supplying the water-gas-biomass mixture to be purified, and a guide pipe that is open at both ends and that forms an inner annulus with the internal insertable pipe and an outer annulus with the reactor jacket. This guide pipe projects above and below the ends of the insertable pipe. A deflector plate is mounted below the insertable pipe but inside the guide pipe, so that part of the biomass-water mixture is deflected back into the inner annulus. A conically shaped sedimentation chamber is disposed in the lower part of the reactor.

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patent: 4818404 (1989-04-01), McDowell

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