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Oil Water Separators > Above Ground Oil Water Separators (ECOS)

Oil water separators are systems used as an efficient method to separate oils and some solids from a variety of wastewater discharges. They are typically installed in industrial and maintenance areas and receive oily wastewater. Our line of above ground oil water separators will assist in the removal of large quantities of free oil from your wastewater before any further treatment step you may have in your process. We have above ground oil water separators with flow rates ranging from 2 to 70 gallons per minute and capacities up to over 1000 gallons.
ecos2
Best of Class - Just 1ppm Oil Effluent

Features & Benefits

  • Stainless Steel construction
  • No chemicals, absorbent, or filter cartridges to remove, replace, or dispose of.
  • Compact size
  • Solids storage
  • Optional integral oil storage
  • Low maintenance cost
  • Easily cleaned through the removable vapor tight cover(s)

     

  • No moving parts
  • No power consumption
  • No consumable wearing elements
  • Meets EPA Method 413.2 and European Standard EN 858-1
  • Self cleaning and anti-plugging properties
  • Very high surface area - 132 ft² per 1ft³
  • 99.99% removal of free and dispersed oil, 40 micron size or larger
  • High flow rates
ECOS - Oil Water Separators (Flow rates based on oil at 0.9 specific gravity)
Model Number Description Flow Rate GPM Dimensions Capacity Gallons
AGS-1SS Flat Bottom 2 - 5 16"W X 28"H X 52"L 60
AGS-1SS-30V W / Sump 2 - 5 16"W X48"H X 52"L 75
AGS-1SS-HP W / Sludge Hopper 2 - 5 16"W X 48"H X 52"L 75
AGS-1SS-30V-HP W / Sump & Sludge Hopper 2 - 5 16"W X 48"H X 52"L 82
AGS-2SS Flat Bottom 3 - 10 28"W X 28"H X 52"L 120
AGS-2SS-60V W / Sump 3 - 10 28"W X 48"H X 52"L 174
AGS-2SS-HP W / Sludge Hopper 3 - 10 28"W X 48"H X 52"L 134
AGS-2SS-60V-HP W / Sump & Sludge Hopper 3 - 10 28"W X 48"H X 52"L 188
AGS-3SS Flat Bottom 5 - 15 40"W X 28"H X 52"L 180
AGS-3SS-90V W / Sump 5 - 15 40"W X 28"H X 52"L 270
AGS-3SS-HP W/ Sludge Hopper 5 - 15 40"W X 48"H X 52"L 200
AGS-3SS-90V-HP W / Sump & Sludge Hopper 5 - 15 40"W X 48"H X 52"L 360
AGM-1SS Flat Bottom 3 - 10 16"W X 28"H X 64"L 75
AGM-1SS-30V W / Sump 3 - 10 16"W X 48"H X 64"L 105
AGM-1SS-HP W / Sludge Hopper 3 - 10 16"W X 48"H X 64"L 89
AGM-1SS-30V-HP W / Sump & Sludge Hopper 3 - 10 16"W X 48"H X 64"L 119
AGM-2SS Flat Bottom 6 - 20 28"W X 28"H X 64"L 150
AGM-2SS-60V W / Sump 6 - 20 28"W X 48"H X 64"L 195
AGM-2SS-HP W/ Sludge Hopper 6 - 20 28"W X 48"H X 64"L 178
AGM-2SS-60V-HP W / Sump & Sludge Hopper 6 - 20 28"W X 48"H X 64"L 223
AGM-3SS Flat Bottom 9 - 30 40"W X 28"H X 64"L 225
AGM-3SS-90V W / Sump 9 - 30 40"W X 48"H X 64"L 279
AGM-3SS-HP W / Sludge Hopper 9 - 30 40"W X 48"H X 64"L 267
AGM-3SS-90V-HP W / Sump & Sludge Hopper 9 - 30 40"W X 48"H X 64"L 321
AGM-1SS-1H Flat Bottom 6 - 20 16"W X 40"H X 64"L 86
AGM-1SS-36V-1H W / Sump 6 - 20 16"W X 60"H X 64"L 142
AGM-1SS-HP-1H W / Sludge Hopper 6 - 20 16"W X 60"H X 64"L 96
AGM-1SS-36V-HP-1H W / Sump & Sludge Hopper 6 - 20 16"W X 60"H X 64"L 152
AGM-2SS-1H Flat Bottom 12 - 40 28"W X 40"H X 64"L 172
AGM-2SS-73V-1H W / Sump 12 - 40 28"W X 60"H X 64"L 217
AGM-2SS-HP-1H W / Sludge Hopper 12 - 40 28"W X 48"H X 64"L 194
AGM-2SS-73V-HP-1H W / Sump & Sludge Hopper 12 - 40 24"W X 58"H X 64"L 239
AGM-3SS1H Flat Bottom 18 - 60 40"W X 40"H X 64"L 258
AGM-3SS-118V-1H W / Sump 18 - 60 40"W X 60"H X 64"L 325
AGM-3SS-HP-1H W / Sludge Hopper 18 - 60 40"W X 60"H X 64"L 290
AGM-3SS-118V-HP-1H W / Sump & Sludge Hopper 18 - 60 40"W X 60"H X 64"L 357
AG-1SS Flat Bottom 9 - 30 16"W X 40"H X 88"L 157
AG-1SS-38V W / Sump 9 - 30 16"W X 60"H X 88"L 172
AG-1SS-HP W / Sludge Hopper 9 - 30 16"W X 60"H X 88"L 185
AG-1SS-38V-HP W / Sump & Sludge Hopper 9 - 30 16"W X 60"H X 88"L 200
AG-2SS Flat Bottom 18 - 60 28"W X 40"H X 88"L 314
AG-2SS-75V W / Sump 18 - 60 28"W X 60"H X 88"L 340
AG-2SS-HP W / Sludge Hopper 18 - 60 28"W X 60"H X 88"L 343
AG-2SS-75V-HP W / Sump & Sludge Hopper 18 - 60 28"W X 60"H X 88"L 369
AG-3SS Flat Bottom 27 - 90 40"W X 40"H X 88"L 471
AG-3SS-113V W / Sump 27 - 90 40"W X 60"H X 88"L 540
AG-3SS-HP W / Sludge Hopper 27 - 90 40"W X 60"H X 88"L 550
AG-3SS-113V-HP W / Sump & Sludge Hopper 27 - 90 40"W X 60"H X 88"L 619
AG-4SS Flat Bottom 36 - 120 52"W X 40"H X 88"L 628
AG-4SS-150V W / Sump 36 - 120 52"W X 60"H X 88"L 680
AG-4SS-HP W / Sludge Hopper 36 - 120 52"W X 60"H X 88"L 750
AG-4SS-150V-HP W / Sump & Sludge Hopper 36 - 120 52"W X 60"H X 88"L 802
AG-4SS-1H Flat Bottom 60 - 170 52"W X 52"H X 88"L 840
AG-4SS-240V-1H W / Sump 60 - 170 52"W X 72"H X 88"L 900
AG-4SS-1H-HP W / Sludge Hopper 60 - 170 52"W X 72"H X 88"L 960
AG-4SS-240V-HP-1H W / Sump & Sludge Hopper 60 - 170 64"W X 72"H X 88"L 1010
 
 
 
 

Design
The Ecologix Oil Separators (ECOS) are designed to exceed your expectations. We start off by collecting the best possible information concerning the wastewater influent characteristics, operation and maintenance of the equipment, and the effluent requirements to be met. We take into consideration the flow rate (pumped or gravity), fluid temperature range, density and viscosity, oil droplet size and distribution, and the specified discharge requirements. Our design meets or exceeds the guidelines of API-421 and ASTM-D19.31.11.4.

Ecologix oil/water separators use parallel corrugated plate technology that causes oil droplets to increase in size, thereby speeding the gravity separation process according to Stokes’ Law. We offer a unique inclined plate design design, called HD Q-PAC, with an internal structure of interconnecting plates having many crossing points between adjacent plates; as the oil water mixture flows through the separator, new droplets coalesce with retained droplets to form larger droplets. The enlarged droplets are released, and they rise to the surface where they decant from the separator. Since the Stokes’ Law calculations presume a zero velocity flow through the HD Q-PAC Plates, a Reynold’s Number less than 500 will ensure optimum separation in the oil water separator.Ecologix offers Oil/Water Separators for separation treatment of groundwater from free phase LNAPL and DNAPL contaminants.

Operation Specifications

Fabrication
The oil water separator is a special purpose prefabricated parallel corrugated plate, rectangular, gravity displacement, type oil water separator. The separator shall be comprised of a tank containing an inlet compartment, separation chamber, sludge chamber, and clean water outlet chamber.

Tank
The tank shall be a single wall construction conforming to ASTM A240, type 304 stainless steel. Welding will be in accordance with AWS D1.1 to provide a watertight tank that will not warp or deform under load. Pipe connections to the exterior shall be as follows:

Pipe Connections
All connections 3" and smaller are FNPT couplings. All connections 4" and larger are flat face flanges with ANSI 150 pound standard bolt circle. Use flanged piping connections that conform to ANSI B16.5.

Separator Corrosion Protection (for carbon steel only)
After shop hydrostatic test has been successfully completed, a coating system will be applied to the interior and exterior surfaces of the separator. Interior and exterior shall be sandblasted to SSPC-SP10 & SSPC-SP6; Interior lined with Tnemec Series 61 liner to 9 mils MDFT; Exterior coated with polyamide epoxy to 6 mils MDFT.

Lifting Lugs
The tank shall be provided with properly sized lifting lugs for handling and installation.

Covers
The tank will be provided with a vapor tight covers for vapor control. Gas vents and suitable access openings to each compartment will be provided. The covers shall be constructed of the same material as the tank and will be fastened in place. A gasket shall be provided for vapor tightness. 304 SS Latches will be provided for cover attachment.

Inlet Compartment
The inlet chamber shall be comprised of a non-clog diffuser to distribute the flow across the width of the separation chamber. The inlet compartment shall be of sufficient volume to effectively reduce influent suspended solids, dissipate energy and begin separation. The media will sit elevated on top of a sludge baffle. The sludge baffle will be provided to retain settleble solids and sediment from entering the separation chamber.

Separation Chamber
The oil separation chamber shall contain HD Q-PAC Coalescing Media containing a minimum of 132 square feet per cubic foot of effective coalescing surface area. The medias needle like elements (plates) shall be at 90 degrees to the horizontal or longitudinal axis of the separator. Spacing between these elements shall be spaced 3/16" apart for the removal of a minimum of 99.9% of free droplets 40 micron in size or greater. The elements are positioned to create an angle of repose of 90 degrees to facilitate the removal of solids that may tend to build up on the coalescing surfaces, which would increase velocities to the point of discharging an unacceptable design flow rate shall be maintained throughout the separator packed bed including entrance and exit so as to prevent re-entrainment of oils with water. Flow through the polypropylene coalescing media shall be crossflow perpendicular to the vertical media elements such that all 132 square feet/cubic foot of coalescing media surfaces shall be pointing upwards so as not to be available for contact with the crossflowing oily water. The media shall have a minimum void of 87% void volume to facilitate sludge and dirt particles as they fall off the vertical elements and settle in the sludge compartment. The media when installed in crossflow OWS shall meet US EPA Method 413.2 and also European Standard 858-1 for oil water separators.

Baffles
An oil retention & underflow weir, and overflow weir. Position underflow weir to prevent re-suspension of settled solids.

Sludge Chamber
The sludge chamber shall be located prior to the coalescing compartment for the settling of any solids. It shall also prevent any solids from entering the clean water chamber. (Larger amounts of solids can be collected in a sludge hopper as an option.)

Oil Skimmer
The oil separation chamber will be provided with a rotatable pipe skimmer for gravity decanting of the separated oil to an integral product storage tank or an external product storage tank.

Clean Water Chamber
The tank will be provided with a clean water chamber which allows the water to leave the separator by pumped / gravity flow through the clean water outlet port.

Vents
1" vents will be provided with vent piping to atmosphere.