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US 5,472,619 AGranted
Waste water treatment with peracetic acid compositions
AssigneeBirko Corporation
InventorsFrederick W. Holzhauer, Dana J. Johnson, Terry McAninch
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Abstract
A process for the separation and purification of fat-containing waste water including the step of adding an effective flocculating and oxidizing amount of a composition including: 10-30% acetic acid 5-20% peracetic acid 15-25% hydrogen peroxide 1-10% phosphoric acid bal. water The process may also include the addition of ferrous sulfate or other source of ionic iron to accelerate the action of the peracetic acid composition.
Claims11
A process for the separation and purification of fat-containing waste water by physically separating and oxidizing the waste water, comprising:
- adding an effective flocculating and oxidizing amount of a composition comprising:
- 10-30 wt. % acetic acid
- 5-20 wt. % peracetic acid
- 15-25 wt. % hydrogen peroxide
- 1-10 wt. % phosphoric acid
- bal. water
- and recovering at least one fat comprising segment from said waste water.
4 more elements
Dependencies are inferred from the claim text.