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Features

• Low maintenance cost
• Easily cleaned through the removable vapor tight cover(s)
• No moving parts
• No power consumption
• No consumable wearing elements
• No chemicals, absorbent or filter cartridges to remove, replace or dispose of
• Compact size
• Solids storage
• Optional integral oil storage

Operation

The separator shall be a special purpose prefabricated parallel corrugated plate gravity displacement type oil/water separator designed to remove free and dispersed non-emulsified oil and settlable solids, in accordance with API 421. The separator shall be comprised of a tank containing:

Inlet Compartment

The inlet chamber will be comprised of a non-clog diffuser pipe to distribute the flow across the width of the separator chamber. The inlet compartment shall be of sufficient volume to effectively reduce influent suspended solids, dissipate energy and begin separation. A sludge hopper will be provided to prevent settlable solids and sediment from entering the separation chamber.

Separation Chamber

The separation chamber will contain parallel corrugated plates for enhanced oil/water separation. The plates will be spaced for optimum removal of free oil and settleable solids, and the corrugations will have a 45 to 60 degree angle with respect to the horizontal. Flow through the plate pack will be in a cross-flow configuration. This allows the oil to collect and coalesce in the high points of the corrugations while the solids collect at the low points. This also allows oil to rise without interfering with the falling solids, reducing the possibility of clogging. Plates shall be enclosed in a stainless steel frame to facilitate installation and removal.

Sludge Hopper

The sludge hopper will be located prior to the separation chamber and will provide an adequate volume and baffling for the settling of any solids.

Oil Collection

The oil will be collected at the end of the separation chamber by a fixed weir trough or rotatable skimmer. Either collection method will provide automatic decant of the separated oil through gravity outlet(s) on the side(s) of the separator. The type of oil collector depends upon the application.

Integral Oil Storage Compartment

An integral oil storage compartment can be provided for storing separated oil. The compartment adjacent to the coalescing compartment would collect and store the oil discharged from the oil collector.

Clean Water Chamber

The water will pass under the oil retention baffle and over the adjustable effluent weir, which maintains the liquid level throughout the separator, and exit through the outlet provided at the end of the separator.

Covers

The separator is provided with a vapor tight cover that can easily be removed for service and maintenance.

Technical Features

HQI's Oil/Water Separators are versatile and can be used in many different applications.

• HQI's Oil/Water Separators are manufactured of A36 Carbon Steel, Stainless Steel, and Fiberglass.
• Tanks constructed in accordance with API 620 & 650.
• The Unipack cross fluted plates are manufactured of PVC, CPVC, PP, SS or FRP.
• Wetted Hardware 18-8 Stainless Steel, Neoprene vapor tight gasketed covers.
• Sizes available up to 2,000 GPM.

Performance

Most extensive performance guarantees offered in the industry.

• Removes free oil droplets as small as 20 microns.
• Reduces effluent free oil concentration to 10 PPM or less.
• Factory tested prior to shipment.
• Performance Guarantee Based on Influent Characteristics.
• 2-year warrantee on material and workmanship.
• P.E. Stamped Calculations for Reynolds Number and Stokes Law.

Specifications

Single Hopper

ModelInlet
Outlet
Dia.Metal
Thk.Width
(In.)Height
(In.)Length
(In.)Inlet
Height
(In.)Outlet
Height
(In.)Anchor
Dim.Anchor
Dim.H Oil
Outlet
HeightOil Res.
(Gal.)Sludge
Capacity
(Gal.)Ship.
Wgt.
(Lbs.)Oper.
Wgt.
(Lbs.) HP-13".18321047460561611642258028708250 HP-23".18321168660561611642458032508650 HP-34".2544116866056281164260115391012000 HP-46".2556116866056401164275155457015500 HP-58".2568116866056521164290195520018700 HP-68".25801168660566411642105230590022000 HP-710".25921168660567611642120270660025300 HP-810".251041168660568811642135310720028600

Double Hopper

ModelInlet
Outlet
Dia.Metal
Thk.Width
(In.)Height
(In.)Length
(In.)Inlet
Height
(In.)Outlet
Height
(In.)Anchor
Dim.Anchor
Dim.H Oil
Outlet
HeightOil Res.
(Gal.)Sludge
Storage
(Gal.)Ship.
Wgt.
(Lbs.)Oper.
Wgt.
(Lbs.) DHP-78".259298176726876156421754008,70038,000 DHP-88".2510498176726888156422254809,70043,200 DHP-910".251169817672681001564227556010,70048,400 DHP-1010".251289820084801121804232564011,70053,600 DHP-1H12".2512811020084801121804232564013,10070,600 DHP-2H12".2512812220084801121804232564014,50081,500