Waste water treatment apparatus by biological action

Liquid purification or separation – With gas-liquid surface contact means – With separator

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Details

210 16, C02C 104

Patent

active

040268020

ABSTRACT:
A biological waste water treating apparatus in which plural cylindrical filter beds suspended on an endless chain and the like at definite intervals are circulated in a treating tank containing waste water to perform the aerobic treatment of the waste water or aerobic treatment and anaerobic treatment of the waste water. Washing of the filter beds is carried out effectively without stopping the operation.

REFERENCES:
patent: 563811 (1896-07-01), Scowden
patent: 798908 (1905-09-01), Kremer
patent: 1799299 (1931-04-01), Johnston

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