Oil Skimmer Blog

The Right Coolant Oil Skimmer for the Machine Shop | Abanaki

Posted by Tom Hobson on Nov 29, 2021 2:58:50 PM

The use of an oil skimmer in the machine shop setting holds many benefits. Removing the oil from a machine coolant tank will initiate some esthetic benefits such as cutting down on the amount of smoke generated from the cutting tool coming into contact with oil laden coolant. 

“Rotten Egg” Smell in Coolant

When a machine is shut down for the weekend, oil has a chance to come to the surface of the coolant tank. Bacteria that are living in the coolant tank use up the dissolved oxygen in the coolant mix, a process that is sped up by having a layer of oil on the surface. This allows odor causing anaerobic bacteria to thrive, giving off that familiar “rotten egg” smell.

Contrary to popular belief the common types of bacteria found in metalworking fluids do not cause dermatitis. However, if the skin is broken, bacteria that normally inhabit the skin may enter and cause infection. The presence of phosphates and carbonates that increase alkalinity in the coolant, however, can cause dermatitis. These impurities are found in the water being used in the coolant mix.

Cost of Separating Oil from Coolant

Separating the oil from the coolant will also help reduce disposal costs. The cost of disposing of oil laden coolant is more expensive than disposing of oil. In fact, in some instances, companies may be able to re-use the oil elsewhere or sell it for recycling. Having oil free coolant can also extend its usefulness and effectiveness, reducing the expense on maintenance and coolant replacement. As the research on the different types of oil skimmers begins, a person will find that there are a variety of skimmers available to them. The most common types are the belt, disk, and tube skimmers. Each type of coolant skimmer has its advantages and disadvantages. 

Choosing the Correct Oil Skimmer

There are also many factors that need to be considered when choosing the correct type of oil skimmer to fit the appropriate application. Factors such as water level fluctuation, water temperature, pH level, the use of rust inhibitors, the amount of oil to be skimmed, quality, and cost, must all be considered when selecting an oil skimmer.

The use of rust inhibitors, high temperatures, and variable pH levels can affect the oil skimmer’s ability to pick up oil. Most skimmer manufacturers use a variety of materials for the skimming medium such as plastic, stainless steel, or poly blends to match the solution in which they will be used.

There are a multitude of oil skimmers on the market today. One of the most important things to be considered is the quality of the unit to be purchased. Points of interest should include construction materials, motor design, and the type of warranty that is offered. Is the skimmer housing made of metal or plastic? Is the motor fan-cooled? Does the motor use needle bearings or bronze bearings? How long does the warranty last and what does it cover? Most oil skimmers will perform as advertised, but remember the old adage that “you get what you pay for”.

To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com

How To Tell What Skimmer You Need For Your Machine Coolant

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Topics: coolant maintenance, coolant skimmer, belt oil skimmer

9 Ways to Treat DNAPLs | Abanaki

Posted by Tom Hobson on Sep 17, 2021 11:15:00 AM

Difficult to remove and dangerous to the health of the environment and humans, DNAPLs are a persistent thorn in the side for many areas. Still, there are many ways to treat DNAPLs; the key is to find the correct method for the individual site.

What is a DNAPL?

DNAPL is short for dense non-aqueous phase liquid. Common DNAPLs include creosote, coal tar, and heavy oils; common DNAPL applications include degreasing and acting as a solvent. On the other hand, DNAPLs can also be the byproduct of industrial processes; in particular, a form of DNAPL known as multi-compound waste is a common type of waste oil.

Which method is best for Treating DNAPLs?

Each of the following methods have their advantages and disadvantages. The conditions present in each treatment site determine the effectiveness and cost of individual methods and is the largest factor in choosing treatment method. As such, a good working knowledge of the treatment site is key to effective remediation.


Excavation, where an environmental remediation firm will dig to the DNAPL and remove the pollutant, is by far the most effective method and has close to 100% efficiency. Excavation is also expensive and impractical, since the DNAPLs are often deep underground and require significant amounts of manpower and machinery to reach the aquifer.


Bioremediation is a much more common method. By introducing or encouraging the growth of organisms that can digest the DNAPL, bioremediation breaks down the pollutant into ecologically friendly substances. Bioremediation not only treats the DNAPL effectively, but can also potentially treat other pollutants in the remediation area and does not require the removal of waste.

Belt skimmers

Belt skimmers can be an effective means of DNAPL treatment. Having an oleophilic belt gives the belt oil skimmer an inherent way to attract floating oils and emulsified fluids without relying on pumps or other like means. In addition, a belt oil skimmer like the PetroXtractor requires far less daily maintenance than pumps or other means of collection.

Air sparging

Air sparging involves pumping pressurized air into the groundwater, causing the hydrocarbons in the water to become a gas. This gas is then sucked up by vacuum extraction. Air sparging is unable to function with low air permeability and functions inefficiently when the air permeability is too high.

Soil vapor extraction

Soil vapor extraction (SVE) is similar to air sparging, but focuses on removing contaminants from the surrounding soil rather than groundwater. As such, the technique shares may of its advantages and disadvantages with air sparging. Both techniques are focused on environmental remediation; although some industrial processes may be able to accommodate air sparging, most will find the introduction of gas into a potentially polluted tank will propagate foul smells and potentially harmful gases.


Solidification involves immobilizing the contaminant via chemical or physical means. Often, this method relies on trapping contaminants in soil, either reducing contamination of the aquifer or making the contaminant easier to remove. Inorganic pollutants, such as radionuclides, can be collected more easily and with fewer health risks like radiation poisoning.

In situ oxidation

In situ oxidation involves the injection of chemical oxidizers, materials such as oxygen or the halogen family that encourage the loss of electrons, into the contaminated area. The chemical reaction between the chemical oxidizer and the pollutant renders the pollutant harmless. Often, oxidation is used for chemical pollutants. Oxidation still needs to react with the substance; if the pollutant is not easily oxidized, the treatment will have no effect.

In-situ chemical reduction

In-situ chemical reduction is similar in concept to In-situ oxidation. Usually used to treat chromium and the solvent trichloroethene, the method introduces a reducing agent such as zero-valent iron nanoparticles to reduce the number of electrons in a contaminant and change the contaminant to something less harmful.

Pump and treat

Pump and treat refers to the process of pumping out the groundwater from the aquifer and subsequently treating that groundwater through any number of means, including most of the methods listed above. Pumping out the water makes the water easier to treat since the conditions can be adjusted for better collection and the aquifer may not be suited to the optimal method of remediation.

Collecting DNAPLs can be a difficult task but is possible with enough foresight and planning. By understanding the nature of the contamination and the unique environment the treatment occurs in, an effective treatment method can be selected.

To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com

How Does a Well Oil Skimmer Work? 

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Topics: groundwater remediation, belt oil skimmer, well oil skimmer

Belt Oil Skimmers are Made for Groundwater Remediation | Abanaki

Posted by Tom Hobson on May 24, 2021 2:53:20 PM

Sometimes, an important technological advance begins with a small step-back! Such is the case with remediation of hydrocarbons from groundwater utilizing existing recovery and monitoring wells.

For the past few years, state government has based decisions on the amount of clean up that they require by the risk posed to the environment. Risk Based Corrective Action, commonly called “Rebecca” (RBCA), is a process that utilizes the principles of exposure assessment, toxicity and mobility to make corrective action decisions on sites that are cost effective while still protecting human health as well as that of the environment. Many times, all they require is removal of the free-phase product, allowing any emulsified contaminant to degrade with time. RBCA has saved many millions of dollars both for taxpayers and for businesses. With state regulatory agencies taking this approach, oil skimming devices have emerged as one of the most cost-effective groundwater remediation equipment choices.

Oil Skimmer is the Solution in Groundwater Remediation

Wastewater engineers in industrial settings have, for many years, understood the value of oil skimmers in the removal of hydrocarbons from water. Food processing plants, the metals industry, machining firms and utilities have all used oil skimmers with great success for wastewater treatment. Recently, oil skimmer manufacturers have modified their product as groundwater remediation equipment. The belt oil skimmer’s ability to get into tight spaces and remove relatively large amounts of hydrocarbons lends itself perfectly to groundwater remediation.

Since most oils, fuels and other hydrocarbon liquids have the tendency to float on water, oil skimmers are designed to remove only the top, free-phase, product layer. With only product being removed, the cost and maintenance of other down-well and water treatment equipment can be eliminated. Another cost advantage to oil skimming is that in many cases the product can be salvaged for reuse – further reducing the overall price by eliminating the disposal cost.

Belt Oil Skimmers are the Most Cost-Effective Method

The options for remediation equipment through recovery wells are practically unlimited since these wells come in a variety of sizes; any of the available technologies such as pump and treat of bio-remediation can be used in the correct size recovery well. Monitoring wells, however, are small, typically less than 4 inches in diameter. Initially installed for the monitoring of groundwater they are cheaper to construct and just large enough to allow a baling device or oil/water interface detector to pass through. As a cost savings measure, these small diameter wells are increasingly being used for product removal. With the increase in this new use, it is only natural that a number of devices are showing up claiming the ability to remove product through monitoring wells.

With the requirements for groundwater remediation systems becoming more reasonable, the use of skimming devices in lieu of pump and treat systems is increasing. The enormous expense involved with treating millions of gallons of water including the remediation equipment, monitoring and related maintenance is being replaced with a much more common-sense attitude. Oil skimmers, especially belt oil skimmers, as a means of remediation equipment, not only meet the challenge but, most times exceed. Pump and treat still has a place in this industry, but the small step “backward” to time proven skimming, a more reasonable and cost-effective method, cannot be overlooked.

To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com

How Does a Well Oil Skimmer Work? 

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Topics: groundwater remediation, belt oil skimmer, well oil skimmer

Tips for Effective Oil Skimming – Part 3 | Abanaki

Posted by Tom Hobson on Mar 12, 2021 9:15:00 AM

Removing oil from water is a crucial step in many processes across numerous industries. From extending tool life to staying in compliance with government agencies, oil skimmers provide a cost-effective solution to removing oil from water or coolant.

Companies always look for effective ways to remove oil from water or coolant. Here are few more easy tips to skim oil from water or coolant.

If the skimmer must be run when little or no oil is present, use an oil concentrator

Under most operating conditions, skimmers pick up oil with only small traces of water. However, as surface oil is reduced to a thin layer (1/16 inch thick or less), more water (or coolant) may be picked up along with the oil. When used in tandem with an oil skimmer, the oil concentrator solves this problem by providing final phase separation. The result of this is optimal levels of water or coolant becoming available for recycling, and virtually water-free oil for is collected by the skimmer.

Choose the right belt for your application

Take the time to study which belt best fits your application – it will maximize the life of the skimmer belt and optimize the efficiency of skimmer. This applies to both length of the belt and the material of which it is constructed. As mentioned previously, choose a belt length that assures contact with the liquid at its lowest level. Belt materials are wide ranging and need to be selected based on variables such as the type of oil being collected, the liquid media that the oil is being collected from, and whether the skimmer is being used in an interior or exterior application. Any good skimmer dealer should be able to offer assistance when it comes to belt selection. Testing different belt materials prior to final selection is always a wise course of action.

Choose the optimal location for the skimmer to be mounted

Power availability and accessibility for routine maintenance need to be considered when selecting the location of the unit. Once that locale has been narrowed down, the skimmer should be mounted so that the down stroke of the belt is facing the bulk of the floating oil and is not within 2 feet of a wall or a tank side. This will ensure that the belt will be positioned to attract the maximum amount of oil, without allowing any dead zones where oil can be allowed to become stagnant.

Always remember that the friendly support staff of Abanaki Corporation is just a phone call away to help you with any of your skimming needs. Abanaki has emerged as the world leader in oil skimming solutions, serving industries as diverse as iron and steel, wastewater, paper, food processing, automotive, environmental remediation and recycling. With a guiding principle that has become a corporate motto, “Clean Our World” is the philosophy we have in mind when servicing our customers. If you have any questions about your oil skimming application, please call us. We are here to help!

To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com

You are just one step away from downloading Abanaki's most detailed resource on our oil skimming equipment. Simply click at the button to get your ultimate guide now.

Get Your E-Book

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Topics: oil skimmers, belt skimmer, oil skimming, belt oil skimmer, different oil skimmer industrial, industrial oil Skimmers, oil skimmers applications, oil skimming tips

Do Not Over Complicate Oil Skimmers Buying Process | Abanaki

Posted by Tom Hobson on Feb 26, 2021 9:30:00 AM

Oil skimming usually beats ultra-filtration systems in many applications. More often than not, installing large, complicated systems to remedy oil problems will not provide ideal results. You can save costs by using a relatively inexpensive oil skimming system to handle the free-floating oil and then a smaller treatment system to handle the oil that has remained suspended in the wastewater.

Bigger isn’t always better and smaller isn’t always cheaper. Choosing a skimmer based on size speculation can be a costly mistake. Buying the smallest skimmer available because it is the cheapest or purchasing the biggest skimmer because you think it will work faster will not lead to successful skimming results.

What Size to Buy?

  • Oil skimmers should be selected by the size of the area that needs to be skimmed, not just by the amount of oil needing to be removed.
  • Choosing an oil skimmer that has the capacity to remove at least two times the capacity needed by the application should be the deciding factor.
  • Oil skimmer capacities are based on optimum conditions and homogeneity of oil.
  • Viscosity, temperature of the water, and other factors can affect the amount of oil picked up by an oil skimmer.
  • It is impossible to accurately predict how fast your oil will be picked up.
  • Therefore, as a rule of thumb, purchase an oil skimmer that is rated at least twice the capacity needed.

Make A Plan!

  • Planning is important! Before spending money on a concrete pad and mounting arrangements, check where the oil actually collects in your process.
  • Oil skimmers should be located opposite from the inflow and the tail pulley should be submerged two inches below the surface of the liquid in order to be as effective as possible.
  • Using a tank that does not allow enough time for the oil to rise and float will not permit successful oil skimming.
  • Always make sure your tank gives enough residence time for the oil to float.

To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com


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Topics: oil removal, belt material, belt oil skimmer, water temparature, viscosity

Tips for Effective Oil Skimming – Part 2 | Abanaki

Posted by Tom Hobson on Feb 22, 2021 10:20:57 AM

Oil skimmers are simple, dependable and effective tools for removing oil, grease and other hydrocarbons from water and coolants. Often, an oil skimmer by itself can achieve the desired level of water purity.

In more demanding situations, oil skimming is a cost-effective means of removing most of the oil before using more complicated and costly treatments such as coalescers, membrane filters and chemical processes.

As with any piece of industrial equipment, there are guidelines that should be followed to promote optimal efficiency, as well as a long, trouble free operational life. Let’s take a look at a few tips that will help you get the most out your oil skimmer.

A skimmer is most effective when there is no turbulence in the media

Skimmers rely on the differences in specific gravities between oil and coolant or water that causes oil to float on top of water. In applications where turbulence is present, the process of oil rising to the top will be prolonged, with some oil remaining below the water until conditions allow gravity to ultimately prevail. Operating the skimmer predominantly during quiet times will give oil the chance to rise to surface and allow the unit to operate more effectively.

Keep a spare belt and wiper blades on hand

Being prepared for the unexpected is always good practice. While blades and belt are typically very durable and trouble free, you never want to be in a situation where the skimmer must be taken out of service until a new belt or wiper blades arrive from halfway across the country.

Choose a belt that is long enough so that the tail pulley is submerged when the liquid level is at its lowest point

Water and coolant levels can vary over time. Therefore, the skimmer needs to be capable of collecting oil when the levels are at their lowest. Taking the time to correctly size the belt prior to purchasing the unit will save a lot of headaches down the road.

Properly size the skimmer to the size of tank

Skimmers operate by breaking surface tension which allows oil to be attracted to the belt. If a unit is undersized, it will not have the strength to disrupt the surface tension of the liquid, meaning that oil will never make it to the belt. Sizing of the unit should always be based on the overall area of the tank, not the volume of oil that is expected in the tank. This will guarantee that the skimmer will be capable of overcoming the surface tension that is present for the given tank area.

To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com

You are just one step away from downloading Abanaki's most detailed resource on our oil skimming equipment. Simply click at the button to get your ultimate guide now.

Get Your E-Book

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Topics: oil skimmers, belt skimmer, oil skimming, belt oil skimmer, different oil skimmer industrial, industrial oil Skimmers, oil skimmers applications, oil skimming tips

Tips for Effective Oil Skimming – Part 1 | Abanaki

Posted by Tom Hobson on Jan 29, 2021 10:45:00 AM

Oil skimmers are tremendously versatile, especially when the wide range of venues where they are called upon to operate is considered. Basically, anywhere oil and water have the potential to mix presents an opportunity for a skimmer to be put to good use, keeping oil out of water or coolant so that it can be recycled, re-used, or safely discharged.

The applications where these unsung workhorses perform are numerous, with skimmers being called upon to keep oil out of the places it does not belong, such as machinery coolant, bilge tanks, and wastewater that is discharged from parking garages. While there are differences in design from one skimmer vendor to the next or variations based upon their application, all skimmers ultimately rely on the differences in specific gravity and surface tension in oil and water to allow them to attract and capture oil. A rotating disc or belt is then used to collect the oil, where it can then be recycled or reused.

Make sure the skimmer is mounted level

It is strongly recommended to take the time during the initial installation to check that the skimmer is mounted and fastened securely in an orientation that is level. This is especially critical for skimmers with free-hanging belts to ensure proper tracking over the pulleys. This will promote better performance and reduce premature wear on the belt, wipers, pulleys, and motor.

Proper positioning of wiper blades is essential

Maintaining the proper amount of tension on the wiper blades is key to optimizing skimmer performance. Striking a balance that allows the blades to contact the belt in a manner that allows them to remove the majority, if not all of the oil from the belt is ideal. Over tightened wiper blades will cause premature wear on blades. Under-tightening leads to poor recovery results, as the oil collected by the belt is not fully removed as the belt passes over the wipers.

Run the skimmer when oil is present

While this may seem like a rather obvious point, running a skimmer constantly may actually be counterproductive, because it increases the likelihood that coolant or water will be picked up by the belt. A timer or an oil in water sensor can be employed to optimize skimmer operating efficiency by controlling the times when the unit is running.

Oil Skimmers Get the Dirty Jobs Done

To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com

You are just one step away from downloading Abanaki's most detailed resource on our oil skimming equipment. Simply click at the button to get your ultimate guide now.

Get Your E-Book

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Topics: oil skimmers, belt skimmer, oil skimming, belt oil skimmer, different oil skimmer industrial, industrial oil Skimmers, oil skimmers applications, oil skimming tips

Choosing an Oil Skimmer by Tank or Sump Characteristics | Abanaki

Posted by Tom Hobson on Jan 25, 2021 10:51:06 AM

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.


Oil and water can emulsify when subjected to turbulence and other mechanical agitation. Avoid this by having water return to the tank below the liquid surface at as low a velocity as practical. Make sure your tank or sump provides quiet areas, weirs, and sufficient volume to allow adequate time for oil/water separation.


Tanks without nooks and crannies for oil to accumulate in are best. If you have an irregular shape, put the oil skimmer where the largest amount of oil accumulates. Consider a means of directing oil towards the oil skimmer such as a floating boom or baffle plate.


The physical location and characteristics of the tank and collection container are important. Does skimmed oil need to be pumped from the oil skimmer to the container? Will oil skimmer access for periodic maintenance be a problem? How much mounting space is available? Are tank or container modifications required? Cheap oil skimming systems quickly lose appeal when costs for additional components, increased maintenance and expensive tank modifications are involved.

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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Topics: oil skimmers, sumps, belt skimmer, oil skimming, tank, belt oil skimmer

Oil Skimmer Frequently Asked Questions: Part 4 | Abanaki

Posted by Tom Hobson on Dec 22, 2020 9:30:00 AM

I have numerous totes that only need oil skimmed out every once in a while. Do you have oil skimmer that easily movable?

A good fit for this application usually ends up being our Tote-It belt oil skimmer. At about 40 pounds, this unit is easy to carry from one tote to the next. This belt oil skimmer comes in different belt widths and lengths to help customize how much oil will need removed and the tank dimensions.

This level of mobility can eliminate the need for having one belt oil skimmer for every tote or trying to carry around a more cumbersome unit to each tank.

When should I use a belt skimmer and when should I use a tube skimmer?

Belt Skimmers provide the highest pickup rates because belts have more surface area than tubes. Belt skimmers may be mounted on a frame over a sump, pit, or pond, or they may be mounted directly to the top or side of a tank. The pulley is located near the bottom and the belt extends above the fluid surface, accommodating fluctuating fluid levels. Belts are easier to manufacture than tubes and therefore come in a wider variety of materials to meet the specific requirements of the application and the type of oil to be removed. The belt-and-pulley design is simple and reliable, enabling belt skimmers to be used in harsh applications with little maintenance, even in high or low temperatures.

The Tubetastic line of Tube Skimmers can be used in the same applications as belt skimmers, however they have certain advantages. Tubes are useful in applications where there is no top access to the coolant sump. The tube breaks the surface of the oil laden coolant causing oil to stick to the tube. The oil is then wiped off and discharged into the oil collection container.

The Oil Viper Tube Skimmers use a tube that floats on the fluid surface and collects free floating oils in water depths as shallow as a few inches. Increased removal rates over other tube skimmers are achieved because its clean-wipe system ensures the tube is oil-free when it returns to the tank.

My oil skimmer isn’t picking up oil from my coolant sump like it did a few days ago. What is going on?

Your coolant may contain rust inhibitors that are coating  the metal belt causing a barrier between the the belt and the  oil. Try changing to a synthetic belt material such as Elastomer  or Polymer. Rust inhibitors do not affect them.

To learn more about oil skimmers, please contact our experts at 440-543-7400 or visit our website: www.abanaki.com

How Do Oil Skimmers Work?

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Topics: oil skimmers, belt skimmer, oil skimming, belt oil skimmer

Facts About Oil Skimming System Designs: Part 1| Abanaki

Posted by Tom Hobson on Dec 16, 2020 11:15:00 AM

Oil skimmers usually incur a low initial cost, install easily, offer rugged construction, reliable operation and minimal upkeep. Training personnel for operation, monitoring and routine maintenance is nil.

Still, there are different types of skimmers, and each application requires some analysis to make the best selection. Also, the water collection system must be set up properly in order to get maximum performance from the skimmer.

Reservoir Design

Because skimming acts on floating oil, the water must be in a reservoir where separation can occur. The reservoir should be designed with quiet areas, weirs and sufficient volume to allow adequate residence time for oil/water separation. Avoid turbulence by having water return to the reservoir below the liquid surface at as low a velocity as practical. Tanks without nooks and crannies for oil to accumulate in are best.

If you have an irregular shape, put the skimmer where the largest amount of oil accumulates. Consider a means of directing oil toward the skimmer medium to improve removal efficiency.


All skimmers work more efficiently in quiet water with a relatively thick oil layer. The greater the turbulence, the lower their efficiency due to emulsification. Turbulence also affects the physical performance of a skimmer. For example, a tube-shaped medium may get kinked due to turbulence, which could cause damage or impair its drive mechanism.

Mop type oil skimmers may require a tail pulley with its axle secured to the side of the tank. Belt types may be fitted with a tether or stabilizer bar assembly to resist twisting of the tail pulley.

Skimmer Reliability and Maintenance

Skimmers require a certain amount of routine maintenance, primarily periodic cleaning and checking wiper blade adjustment. Easy removal of safety covers shielding the moving medium and its pulleys will reduce maintenance time.

In terms of drive designs, those with separate gear reducers tend to be somewhat more robust than unitary gear motor drives. Chain drives, which are found on a few models, need to be lubricated regularly and the chain should be protected from debris and other impediments.

Installing an Oil Skimmer

The biggest installation issues are the amount of space required and cost. With regards to space, there are two areas that need to be considered: mounting area and water surface area. Installation of a suction skimmer also may involve sensors and a control box.

Moving medium skimmers require some sort of rigid mount on or near the reservoir. Some require the drilling of holes into the tank, which can be costly, depending on the reservoir design. Because of drive design, drum types tend to require more elaborate mounting methods and space. Belt, disk, tube and mop drive units consume a moderate amount of space.

An advantage of some belt skimmer drives is the use of a flat surface mount or bracket, neither of which require tank modifications. Mounting stands, brackets and adapters help make skimmer installations easier and faster.

Portability is a plus in some applications. For example, in plants and mobile equipment service shops, a portable skimmer can sometimes service both a parts washer and a drain water retention sump.

Belt and disk type skimmers tend to be the best designs for portability, and can be made small enough to weigh only a few pounds.

As most hydrocarbons spread fairly quickly over the top of water, it is not necessary to use more of the surface than the skimmer medium contact area. However, a skimmer’s design may actually take up more of the surface than the minimum required. A drum skimmer may require up to five square feet depending on drum size.

A tube skimmer requires four to five square feet due to the tube snaking out over the surface of the liquid. Unless a mop medium is constrained by a tail pulley, it moves around and takes up surface real estate. This is particularly true when there is turbulence.

Disk skimmers generally require from one-half to one square foot of liquid area.

Belt skimmers require from a few square inches to about one square foot, which is determined by the belt width and diameter of the tail pulley.

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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Topics: oil skimmers, belt skimmer, oil skimming, petroxtractor, belt oil skimmer, well oil skimmer

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