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Oil Water Separators > Hopper Separator

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. The effluent from oil/water separators is typically discharged to either a sanitary sewer system or a storm sewer. Properly designed, installed, and operated, oil/water separators provide a treatment system for handling oily wastewater that prevents the entry of unacceptable levels of contamination to a storm sewer or sanitary sewer system.
Related products
AFD-55 | AFP-55 Series | BORS | HD Q-PAC | MCM830 | MCM830P | OWS General Specs | Clarifier/Separator | ECOS | Inclined Plate Clarifiers| HQB Below Ground Separators | OilFree Polymeric Filters

HQB Features & Benefits
  • 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
  • Compact size
  • Solids storage
  • Optional integral oil storage

Features & Benefits

Maximum Flow Rate
Specific Gravity 0.85 0.9 0.95
HP-1 85 55 28
HP-2 150 95 50
HP-3 225 140 75
HP-4 300 190 100
HP-5 380 250 125
HP-6 450 285 150
HP-7 540 340 175
HP-8 615 400 200
Assumptions: Temperature range = 60°F
Removal = 20 microns
Reynolds number less than 500
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.
The separator is provided with a vapor tight cover that can easily be removed for service and maintenance.

Technical Features

  • Ecologix Oil/Water Separators are versatile and can be used in many different applications.
  • Ecologix 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 40 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.

Single Hopper
Model Inlet/Outlet Met Thk. Width (in.) Height (in.) Length
(in.)		 Inlet Height Outlet Height Anchor Dim. Anchor Dim. H Oil Outlet Height Oil Res. (Gal.) Sludge Capacity Ship. Wgt. (Lbs.) Oper. Wgt. (Lbs.)
HP-1
3"
0.18
32
104
74
60
56
16
116
42
25
80
2870
8250
HP-2
3"
0.18
32
116
86
60
56
16
116
42
45
80
3250
8650
HP-3
6"
0.25
44
116
86
60
56
28
116
42
60
115
3910
12000
HP-4
6"
0.25
56
116
86
60
56
40
116
42
75
155
4570
15500
HP-5
8"
0.25
68
116
86
60
56
52
116
42
90
195
5200
18700
HP-6
8"
0.25
80
116
86
60
56
64
116
42
105
230
5900
22000
HP-7
10"
0.25
92
116
86
60
56
76
116
42
120
270
6600
25300
HP-8
10"
0.25
104
116
86
60
56
88
116
42
135
310
7200
28600

Double Hopper
Model Inlet/Outlet Met Thk. Width (in.) Height (in.) Length
(in.)		 Inlet Height Outlet Height Anchor Dim. Anchor Dim. H Oil Outlet Height Oil Res. (Gal.) Sludge Capacity Ship. Wgt. (Lbs.) Oper. Wgt. (Lbs.)
DHP-7
8"
0.25
92
98
176
72
68
76
156
42
175
400
8,700
38,000
DHP-8
8"
0.25
104
98
176
72
68
88
156
42
225
480
9,700
43,200
DHP-9
10"
0.25
116
98
176
72
68
100
156
42
275
560
10,700
48,400
DHP-10
10"
0.25
128
98
200
84
80
112
180
42
325
640
11,700
53,600
DHP-1H
12"
0.25
128
110
200
84
80
112
180
42
325
640
13,100
70,600
DHP-2H
12"
0.25
128
122
200
84
80
112
180
42
325
640
14,500
81,500
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