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US 5,647,997 AGranted
Waste water treatment with peracid 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 comprising: 10-30% wt. peracid precursor 15-70% wt. hydrogen peroxide 1-10% wt. 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 peracid composition.
Claims15
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. peracid precursor
- 15-70% wt. hydrogen peroxide
- 1-10% wt. phosphoric acid
- bal. water
- and recovering at least one fat comprising segment from said waste water.
3 more elements
Dependencies are inferred from the claim text.