Method for treating effluent resulting from the manufacture of s

Details Method for treating effluent resulting from the manufacture of s Method for treating effluent resulting from the manufacture of s

1975-07-24

1977-01-25

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

C02C 502

Patent

active

040050114

ABSTRACT:
A method and apparatus for treating effluent resulting from the manufacture of synthetic dyestuffs and related intermediate chemicals is provided. The effluent is subjected to equalization, chemical treatment, clarification to remove solids, further equalization and carbon adsorption to remove the color and toxic materials, followed by a secondary biological treatment which includes treatment with activated sludge and secondary clarification. The spent carbon used in the carbon adsorption is recycled to produce fresh carbon which is reused in the carbon adsorption process.

REFERENCES:
patent: 1747175 (1930-02-01), Mahler
patent: 2445323 (1948-07-01), Galatioto
patent: 3573202 (1971-03-01), Sobota et al.
patent: 3803033 (1974-04-01), Sutherland
patent: 3846293 (1974-11-01), Campbell
Gurnham, Industrial Wastewater Control, Academic Press, New York, (1965), pp. 375-393.

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