Water Separation

Oil/Water Separation

Oily waste treatment typically uses gravity separation of non-emulsified "free oil", and chemical treatment and separation of emulsified oil by air flotation.

Several factors affect the performance of gravity separators:

Flow rate through separator
Turbulence or Short Circuiting
Temperature
pH
Specific Gravity of the Oil
Specific Gravity of the Wastewater
Concentration of TSS
Concentration of emulsifying agents

FAQ

Q. What types of clarifiers work best in oily wastes?
A. This depends on the particular application, but oil will usually float. Therefore, it is quite common to see Dissolved Air Flotation clarifiers. There are many different options for DAF's that may work best in your application. See photo for schematic o a Krofta DAF system:

See Also:

Oil Grease Separation

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Other Sections

Heavy Metal Removal Plant Efficiency

Biochemical Oxygen Demand (BOD) Reduction Municipal Wastewater

Chemical Oxygen Demand (COD) Reduction Wastewater Recycling

Total Organic Compound (TOC) Reduction Biological Treatment

TSS and Clarification Wastewater Evaporators

Arsenic Removal Ozone

Water Re-use Cyanide Removal

Oil/Water Separation Lead Removal

Emulsion Breaking Chrome Reduction & Removal

Oil/Grease Separation Hexavalent Chrome

Odor Neutralization Nickel Removal

Sludge Dewatering (Conditioning) Copper Removal

G.R.A.S. Chemistry Mercury Removal

Coagulation Mixed Metals Removal

Flocculation Chelation

Polymer Chemistry Metal Precipitation

Organic Chemistry Phenol Removal

Inorganic Chemistry Odor Control

Jar Testing Ink Removal

Program Design Poly Blend Sizing

Plant Design

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A division of Florida Water Processing, Co. Established 1969

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