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Matching an Oil Skimmer to the Application – Part 4 | Abanaki
Matching an Oil Skimmer to the Application – Part 3 | Abanaki
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The relationship between oil and water in a mixture is well-known and governed by two physical properties:
Specific Gravity
Most hydrocarbons have a lower specific gravity than water. Without agitation, oil separates from the water and floats to the surface. These oils are known as LNAPL’s, Light Non-Aqueous Phase Liquid. Oils (and other compounds) that sink in water have a higher specific gravity and are known as DNAPL’s, Dense Non-Aqueous Phase Liquid.
Surface Tension and Affinity
Normally, oil bonds more tightly to itself and other materials than to water. This affinity, and differences in surface tension between oil and water, cause oils to adhere to a skimming medium.
When properly selected and applied, oil skimmers are highly economical solutions for separating oil from water to allow its reuse or safe disposal. However, there are certain applications that can expect optimal results. Typical applications best suited for oil skimmers encompass wastewater sumps, coolants and cutting fluids, heat treating operations, parts washers, food processing facilities, parking lots, garages, service facilities, outdoor ponds/lakes/basins, recovery/monitoring wells, remediation processes, and many more.
Parking Lots, Garages and Service Facilities
Waste oil leaks, spills and other sources must be retrieved from sumps before water can be discharged to storm or sanitary sewers.
Solution: Depending on the characteristics of the liquid, it is possible for the Model 4 alone to reduce oil content to less than five parts per million in water. The Model 4 utilizes a continuous belt and wiper to remove up to 20 gallons of oil per hour from the fluid surface.
Alternative: Tote It
Outdoor Ponds, Lakes, Basins, Etc.
Where floating oils are present, oil skimmers provide inexpensive and effective removal, solving a serious environmental problem.
Solution: The Abanaki Oil Viper tube skimmer effectively removes floating surface oils by means of a oleophilic (oil attracting) ¾” diameter continuous looped tube. The tube extends out over the surface of the tank or pit and collects the free-floating oils.
To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com
In this video, you will see how do different sizes Abanaki oil skimmers work with different media types.
There are several types of industrial oil skimmers. Choosing one best suited for your application will maximize oil removal while minimizing capital outlay and oil skimmer operating costs. First, define the application in terms of the following characteristics:
Operating Conditions
All oil skimmers have a moving medium, and possibly other parts, immersed in the liquid. The performance and life of the pick-up medium, wiper blades, pulleys, etc. are affected by different conditions. These conditions include temperatures in and out of the liquid, pH of the solution, and the presence of solvents or other reactive chemicals.
Removal Capacity
Oil skimmers usually have an oil removal rate expressed in gallons per hour. The rate varies with oil viscosity, so Abanaki rates skimmers using SAE 30 weight motor oil at 65°F (18°C). When specifying removal capacity, it is better to err on the high side to allow for peaks in the oil influx.
Tank or Sump Characteristics
The location, shape, and capacity of a tank or water impoundment are major factors in choosing the right oil skimmer. Also consider fluctuations in water level, turbulence and possible emulsions. Although oil skimmers do not cause emulsions, they can have trouble removing certain types.
Food Processing Facilities
Removal of vegetable oils, greases, and animal fats from a plant’s wastewater stream reduces the costs of processing and disposal.
Solution: The heart of the system features a patented design grease skimmer. Unlike oil skimmers this system was designed and developed specifically to pick up heavy grease and oil. The Grease Grabber® makes use of the differences in specific gravity and surface tension between grease and water.
Steel Mills/Scale Pits
Most steel mills have scale pits in which grease and heavy oil accumulate. In order to avoid fines from the government and expensive sand bed filters, steel mills must limit the amount of grease in wastewater discharge into the environment. Reclaimed grease and oil can be re-used or used as furnace fuel, avoiding sucker truck disposal costs.
Solution: The Model 8 utilizes a continuous belt and wiper to remove up to 40 gallons of oil per hour from the fluid surface. The unit can be used as a pre-treatment before filtration, and in conjunction with coalescing systems.
Alternative:Grease Grabber
To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com
Abanaki Model 8 Belt Skimmer in Operation
Click button below to access our video directly.
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Abanaki Corporation Oil Skimming Division
17387 Munn Road
Chagrin Falls, OH 44023
Phone: (440) 543-7400
Email: skimmers@abanaki.com
Fax: (440) 543-7404
ISO 9001:2015 Certified Company
Matching an Oil Skimmer to the Application – Part 4 | Abanaki
Matching an Oil Skimmer to the Application – Part 4 | Abanaki
Matching an Oil Skimmer to the Application – Part 3 | Abanaki
Matching an Oil Skimmer to the Application – Part 3 | Abanaki