Process for detoxification of formaldehyde containing waste wate

Details Process for detoxification of formaldehyde containing waste wate Process for detoxification of formaldehyde containing waste wate

1975-08-04

1978-08-01

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

C02B 134, C02C 504

Patent

active

041041623

ABSTRACT:
Formaldehyde containing waste water is detoxified by treating the waste water with hydrogen peroxide in the presence of alkali at an initial temperature of 10.degree.-35.degree. C. In an alternative and preferred form of the invention the waste water is heated to a temperature of at least 50.degree. C and then 10-35% of the hydrogen peroxide equivalent to the formaldehyde is added.

REFERENCES:
patent: 3829379 (1974-08-01), Ishida et al.
Walker, "Formaldehyde," Third Edition, Reinhold Publishing Corp., New York, 1964, pp. 244-247.

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