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7 Common Mistakes That Lead to the Wrong Oil Skimmer | Abanaki

Posted by Tom Hobson on Aug 31, 2020 9:30:00 AM

Selecting an oil skimmer can be a complex decision-making process. There are various factors you have to consider about your application when choosing the right skimmer. Here is a guide to help you avoid the 7 common mistakes that are made when purchasing an oil skimmer.

Under-Sizing Your Skimmer

A common misconception is that you can buy a smaller skimmer based on
gallons-per-hour skimming capacity for a big job to save money. However,
purchasing a small or mini unit instead of an industrial sized skimmer can be an ineffective method of oil skimming. 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.

Improper Placement of Oil Skimmers

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.

Paying for a Complicated Solution

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.

Not Telling Your Consultant or Vendor Everything

Oil skimmer selection can be a very complex process. There are numerous factors that go into selecting the right oil skimmer for your particular application. If the oil skimmer vendor does not know what chemicals or heat you have in your application, the wrong oil skimmer and belt materials could be selected, and the job will not get done correctly.

Choosing the Wrong Oil Skimming Material

There are several things to consider when choosing a belt or tube material for your oil skimmer. Some plastics will not stand up to heat or strong chemicals. Certain metal belts will not skim coolants effectively. Smooth belts do no pick up floating emulsified oils. Specific plastic belts do not last in heated applications, while other types of plastic belts will.

Lack of Maintenance and Basic Care

An oil skimmer will only remove oil if it is properly maintained. There are basic maintenance tasks that should be done regularly to keep your oil skimmer up to snuff. Are the wipers contacting the belt smoothly? Is the belt riding away from the sides of the pulley? Are the troughs and wipers clear of debris?

Buying from an Unknown Vendor Based on Price

Like most things in life, you get what you pay for. Buying from small, unheard of oil skimmer manufacturers will probably result in no customer support when maintenance issues pop up and little to no knowledge of how to resolve those issues. Furthermore, parts will need to be replaced over time, units might have to be changed or upgraded, or different belt materials need to be used. Disreputable vendors typically do not have a selection of materials or parts to choose from.


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

Have you ever looked at your coolant and wondered what type skimmer would work best in your machine sump? In this video, we talk about what oil skimmer works well in various coolant applications.

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

Oil Skimming: What is a DNAPL? | Abanaki

Posted by Tom Hobson on May 29, 2020 2:00:00 PM

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. The defining aspect of DNAPLs, density, causes the mixture to sink in liquids like water or coolant. Because the sludge sinks, surface skimmers like rope skimmers have issues treating DNAPLs. Additionally, the density tends to cause problems with devices requiring a pump for collections because of its density, clogging the pipe or even breaking the pump itself.

Why are DNAPLs a Problem?

DNAPLs are common forms of wastewater pollution. Having DNAPLs leak into local groundwater is a violation of EPA regulations. In addition, DNAPLs can worsen working conditions in manufacturing. Often, these oils will emit a smell akin to sulfur as they break down.

DNAPLs may also reduce the effectiveness of machinery. The density can interfere with pumps or other methods of liquid conveyance, while the chemical properties of the DNAPL, depending on composition, can have adverse effects on the liquid it is suspended in.

These problems can actively interfere with the intended function of the machinery, leading to productivity loss or even damage to the machine.

How are DNAPLs Collected?

For DNAPLS, there are two general means of treatment: extraction and destruction. Extraction denotes the removal of the DNAPL from the liquid, while destruction means breaking down or neutralizing the DNAPLs to a level of minimal impact.

Methods of treatment include bioremediation, in situ methods like oxidation, reduction and flushing, barriers, soil vapor extraction (abbreviated as SVE) and air sparging, solidification and stabilization, pump and treat, and excavation. Skimmers are often used as supplements for in situ methods like flushing to hasten the removal of free-floating DNAPLs.  

Belt Oil Skimmers are the Best Method?

Belt oil 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.

When pumps break down from clogs or internal mechanical failures, additional time is needed to correctly assess the problem and repair the problem. The pump also collects excess water, which is expected to be pumped back in the well and adds extra cost. Oil skimmers circumvent these problems.

The streamlined design of the PetroXtractor makes for easy assessment and repair in case of malfunction. Belt oil skimmers do not face the same clogging issues pumps do simply because there is almost nothing to clog.

Upkeep is straightforward and easy on a skimmer, often requiring a visit only once a week. The design of the PetroXtractor focuses on the collection of LNAPLs and DNAPLs without collecting water, preventing excess fluid from being collected. The PetroXtractor also can operate in fluctuating water levels as well as in more extreme conditions that pumps may have issues handling.


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? | Abanaki

This animated demo shows how the PetroXtractor well oil skimmer works great with a large vertical drop making it ideal for wells and other small openings. Depths of 100 feet or more can be handled without the use of pumps.

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

Belt Oil Skimmers Should be Given Serious Consideration for Groundwater Remediation Equipment

Posted by Tom Hobson on Dec 17, 2018 11:15:00 AM

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.

Wastewater engineers in industrial settings have, for many years, understood the value of skimmers in the removal of hydrocarbons from water. Food processing plants, the metals industry, machining firms and utilities have all used skimmers with great success for wastewater treatment. Recently, skimmer manufacturers have modified their product as groundwater remediation equipment. The belt 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, 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 skimming is that in many cases the product can be salvaged for reuse – further reducing the overall price by eliminating the disposal cost.

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. Skimmers, especially belt 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 find out which of our skimmers would suit your application the best, please contact our experts at 440-543-7400, or click the button below to get our whitepaper, DNAPL A Threat? 9 Ways to Treat DNAPLs!

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Topics: oil skimmer, wastewater skimmer, petroxtractor, industrial Wastewater treatment

Groundwater Remediation: Abanaki PetroXtractor is The New Solution to An Old Problem

Posted by Tom Hobson on May 17, 2018 4:07:56 PM

Everyone is thinking “Green”  these days and looking for ways to make the world a cleaner place. Why not start with the groundwater? Pump & treat is an old solution to an old problem. The oil and groundwater are both pumped from the monitoring well. They are usually put into a collection tank and then the groundwater is treated to remove the oil. The PetroXtractor belt oil skimmer allows just the oil to be removed eliminating the need to treat the groundwater. The PetroXtractor line boasts models that are designed to fit in 2”, 4” and 6” (or larger) casings.  The belt oil skimmer uses groundwater surface tension to draw oil to the belt. A new solution to an old problem!

The PetroXtractor groundwater remediation oil skimmer can be placed in an existing monitoring well and remove the oil from the contaminated groundwater quickly and efficiently. Just like the rest of the Abanaki oil skimmers, the PetroXtractor can remove a wide variety of oils including fuel oils, coal tar, and creosote at rates up to 12 gallons per hour. No more bailing, no more expensive pump and treat. The PetroXtractor oil skimmer is the perfect green solution for groundwater remediation.

The Abanaki Solar Powered PetroXtractor gives companies options where electricity is not available. Many times well remediation will occur at an abandoned site where electricity is no longer available and the cost to run electricity is cost prohibitive. Abanaki’s solar powered systems have all the same capacities that the electrical systems offer but without the need for electricity. The Abanaki solar powered system with its battery back-up is designed to work in all parts of the country.

Find out more about PetroXtractor.

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Topics: coolant, groundwater remediation, oil skimmer, petroxtractor, industrial applications, Solar Oil Skimming System

How a Refinery Oil Skimmer Saves Time and Money

Posted by Tom Hobson on Feb 28, 2018 1:16:33 PM

Refineries are capable of producing a range of materials as different as gasoline, jet fuel, or even asphalt. Like most large-scale, high-capacity plants, they require process optimization and advanced process controls. Refinery oil skimming is necessary for retrieving hydrocarbons from wastewater.

Implementing an oil skimming solution makes it possible for refineries to achieve the goal of recapturing 100% of all hydrocarbons before they go down the drain. A refinery oil skimmer collects the bulk of the hydrocarbons and sends them back to a crude tank. Filtration or chemical treatment can remove any residual oils. Refinery oil skimmers operate 24 hours a day, seven days a week, and require very little oversight and no maintenance. The time they save more than offsets the cost of the electricity needed to operate them.

To find out which of our skimmers would suit your refinery application the best, click the button below to launch our E-Book guide.

Get Your E-Book

For information on how our skimmers work in refinery applications, refinery case studies, and more, click here.


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Topics: coolant, model 8, oil skimmer, petroxtractor, Solar Oil Skimming System, Transfer Package

Groundwater Remediation Solution: Abanaki PetroXtractor Provides Cost Effective Solution in Oil Skimming

Posted by Tom Hobson on Apr 21, 2017 2:07:02 PM

Everyone is thinking “Green” these days and looking for ways to make the world a cleaner place. Why not start with the groundwater? The PetroXtractor groundwater remediation oil skimmer can be placed in an existing monitoring well and remove the oil from the contaminated groundwater quickly and efficiently. The skimmer can run off the sun with its solar powered oil skimmer option making it a cost effective solution for even the most remote groundwater remediation sites. Just like the rest of the Abanaki oil skimmers, the PetroXtractor can remove a wide variety of oils including fuel oils, coal tar, and creosote at rates up to 12 gallons per hour. No more bailing, no more expensive pump and treat. The PetroXtractor oil skimmer is the perfect green solution for groundwater remediation.

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Topics: groundwater remediaition, abanaki oil skimmers, petroxtractor, groundwater remediation system

Unfamiliar with DNAPLs? Read our guide and find out more!

Posted by Tom Hobson on Jan 23, 2017 8:15:00 AM

We understand the difficulties in treating a variety of pollutants in groundwater. Dense non-aqueous phase liquids, or DNAPLs, can be extremely tricky to treat. Creosote, coal tar, and many other heavy pollutants can sit at the bottom of groundwater aquifers or sump tanks and release additional pollutants. How should one resolve these issues? Read more about the latest white paper:

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Topics: groundwater remediation, petroxtractor, DNAPLs

16 Crazy Things Abanaki Has Done In 2016

Posted by Tom Hobson on Jan 12, 2017 8:45:32 AM

 

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Topics: oil skimmer resource, oil skimmer, groundwater, abanaki, petroxtractor, skimmer

How an Oil Skimmer Saved Cows From Pollution

Posted by Tom Hobson on May 20, 2016 9:00:00 AM

Oil Skimmer Keeps Auto-Dismantler in Compliance and the Cows Happy
Environmentally Sound Solution to Unwanted Oil Reduces Disposal Costs

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Topics: oil, application, auto, oil skimmer, clean drinking water, petroxtractor, environmental, car, clean water, UK

Early Bird Gets the Oil Skimmer

Posted by Tom Hobson on May 8, 2015 6:11:00 AM

 

The Choosing Your Oil Skimmer Webinar is a 12-minute video explaining how to appropriately size and select the right skimmer for your application. Get Your Copy Now.
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Topics: groundwater remediation, oil skimmer, petroxtractor, UK

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