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:
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.
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.
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
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