Water purification by treating with activated carbon before bioc

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow

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210 18, 210 40, 210 73R, C02C 106

Patent

active

040665380

ABSTRACT:
Waste water having a high chemical oxygen demand caused primarily by soluble organic matter is treated with activated carbon and thereafter passed to a biochemical treating operation.

REFERENCES:
patent: 3455820 (1969-07-01), Joyce et al.
patent: 3646239 (1972-02-01), Hutson, Jr. et al.
patent: 3658697 (1972-04-01), Huether
patent: 3767570 (1973-10-01), Clapp
patent: 3779909 (1973-12-01), Wisfeld et al.

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