Regan Brown
Used motor oil can be filtered and used as fuel for trucks. This can be done by transferring the oil from the oil pan into a clean drain pan, then into a funnel, and finally into the fuel tank. The oil can also be filtered using a leg from a pair of jeans, tied in a knot at the bottom, or by using a micron filter bag. It is important to note that the oil may need to be heated to a certain temperature to flow smoothly, and that spills should be avoided as they can be difficult to clean up.
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What You'll Learn
Filtering used oil with a basic setup
Filtering used oil for fuel requires a basic setup that includes a reservoir, a filter, and a pump. Here is a step-by-step guide on how to filter used oil with a simple setup:
Step 1: Prepare the Oil
Before filtering, ensure the used oil is as clean as possible. If you have access to the oil pan, drain the oil into a clean container, such as a drain pan or bucket, to remove any large debris. This step is crucial to prevent clogging and ensure the filter's effectiveness.
Step 2: Choose a Filter
Several options are available for filtering used oil, and the choice depends on the desired level of filtration and available resources:
- Hanging Bag Filters: Hanging bag filters with micron ratings of 1 or 0.5 are effective and reasonably priced. The oil is poured into the bag, which is hung over a clean container, and gravity does the work. The oil is filtered multiple times, first through the 1-micron bag and then the 0.5-micron bag for the final filtration.
- Spin-on Filters: These filters can be attached to a reservoir or container. They are useful for removing large particles and are often used before transferring the oil to a finer filter.
- Alternative Filters: In a pinch, a leg from a pair of jeans, tied in a knot at the bottom, can be used as a filter. While this method is slow, it is better than no filtration.
Step 3: Set Up the Filtration System
Set up your chosen filter in a clean area. If using a hanging bag filter, hang it over a clean container. If using a spin-on filter, attach it to a reservoir or container. Ensure that all connections are secure to prevent leaks.
Step 4: Pump or Pour the Oil
Transfer the oil into the filtration system. If using a pump, ensure it is suitable for oil and connect it securely to your oil source and the filter. If using gravity, pour the oil carefully into the filter.
Step 5: Filter the Oil
Allow the oil to pass through the filter(s). For hanging bag filters, this process may take some time, depending on the oil's viscosity and the filter's fineness. For spin-on filters, ensure the oil passes through at a suitable rate, and be prepared to catch the filtered oil in a container.
Step 6: Store or Use the Filtered Oil
Once the oil has been sufficiently filtered, it can be stored in a clean tank or drum for future use or directly transferred to your vehicle's fuel tank, depending on your intended application.
It is important to note that heating the oil may be necessary, especially in colder weather, to ensure it flows smoothly. Additionally, always exercise caution when handling used oil, as spills can be messy and harmful to the environment.
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Heating used oil for fuel
When considering using heated waste oil as fuel in vehicles, it is essential to think about how to heat the oil in your tank to achieve the desired temperature and viscosity. For instance, to flow smoothly, oil needs to be heated to around 100°F, while WVO (Waste Vegetable Oil) requires a temperature of about 160°F.
One user reported running 100% unheated oil in their vehicle during winter and encountered some issues. However, with the addition of a tank heater in the summer, they achieved better results. Another user shared their experience of burning approximately 300 gallons of 100% used oil over 3-4 months without heating it in the summer, but they plan to utilize their stock trans cooler in the colder months.
Heating Used Oil for Space and Water Heating
Used oil can also be utilized as a source of heat for spaces and water. This process involves using a furnace or burner specifically designed for burning used oil, such as the Beckett AF series burner. When obtaining a used oil furnace, it is possible to find good deals on second-hand units, but it is important to test their condition before use.
One user shared their experience of heating their shop with used motor oil and provided some insights. They mentioned the importance of testing the burner and familiarizing oneself with its operation under different conditions. Additionally, they noted that the flame inside the combustion chamber should be monitored and adjusted accordingly.
To ensure the system functions correctly, it is recommended to heat the fuel line with a propane torch to maintain a consistent flame. The user also emphasized the need to install the burner away from buildings, vehicles, or any other objects that should remain free of an oily film.
Safety and Maintenance
When using a used oil furnace, it is crucial to prioritize safety and maintenance. The furnace's safety features, such as the primary safety control, should be understood and properly utilized. Regular cleaning of the combustion chamber is also important, with an estimated cleaning interval of about 100 hours of use.
Additionally, the cleanliness of the oil in the siphon tank is vital to prevent clogging in the nozzle orifice. The size of the tank will determine how often it needs to be refilled, with larger tanks requiring less frequent refills but taking longer to heat up.
In conclusion, heating used oil for fuel requires careful consideration of the equipment, safety measures, and maintenance procedures. It is important to follow the instructions and tips provided by experienced users to ensure a smooth and safe process.
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Using a vacuum system to collect waste oil
Vacuum systems are an effective method for collecting and treating waste oil to enable its reuse. This technique is particularly useful for addressing oil spills, as well as for refining waste lubricating oil.
Everest Vacuum offers a vacuum system called OILSYST©, which is designed for waste oil distillation plants and edible oil refining plants. The system consists of a liquid ring vacuum pump, an air liquid separator, a filter unit, a condenser, a heat exchanger, and a recirculation pump, all mounted on a single compact frame. The liquid ring vacuum pump is specially modified to run with oil or alternate sealing fluid to avoid contamination and maintain performance. The OILSYST© can be configured with two or three stages, including vacuum pumps, a cyclone separator, an intermediate condenser, and filter trap units. This system offers high-performance vacuum capabilities, making it ideal for used oil distillation and similar applications.
Everest Vacuum also provides solutions for waste lubricating oil re-refining. In this process, de-watered oil is heated in a kettle under a vacuum. As the temperature rises, various cuts are released as vapours and are condensed in the condenser. The vacuum is maintained by a vacuum pumping system, and the condensed products are collected at different kettle temperatures. The process continues until the residual material in the kettle does not vapourise, even at high temperatures of around 320°C. This vacuum distillation process effectively recovers good quality light and heavy base oils while minimising environmental pollution.
Vacuum techniques have also proven successful in cleaning up marine oil spills. A multi-robot system, for instance, employs a skimmer as a collecting tool to surround the oil spill for fast and efficient cleanup, preventing its spread. This approach is effective under a wide range of operating conditions and offers excellent economical results.
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Filtering oil with a micron bag
Micron bags are made from specialised materials, covered in microscopic holes only a fraction of a millimeter across. The micron size refers to the size of these holes in the mesh of the bag. The size of the micron bag you need will depend on the type of filtering you want to do, from polishing to filtering out heavy crumb loads.
For example, the MirOil P Series EZ Flow filter bags are a popular choice for filtering small food particles and heavy crumbs. These bags are made from a proprietary polymer and are reusable. When dealing with heavy crumb loads, the MirOil T Series filter bags are recommended as they can filter out larger particles. The MirOil F series filter bags are the finest micron bags and are used for oil polishing, removing micron-size food particles, gunk, and larger contaminants.
If you are filtering used motor oil, you can use a similar process as those filtering frying oil. Simply take the oil from the oil pan, into a clean drain pan, into a clean funnel, and then into your fuel tank. You can use a micron bag to filter the oil as you transfer it into your fuel tank.
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Blending waste oil fuels
Blending waste oil with fuel can be an effective way to reuse waste materials and reduce environmental damage caused by the use of fossil fuels. Fuel blending can be used to create alternative fuels for internal combustion engines, which can reduce emissions and enhance flame temperature.
There are several ways to blend waste oil with fuel. One method is to use a fuel blending facility, where professionals will analyze and blend your waste oil to meet specific specifications. This ensures that the final product is safe and effective for its intended use. These facilities can help conserve natural resources by replacing fossil fuels such as coal and oil with blended fuels in cement production.
Another approach to blending waste oil fuels is to do it yourself. Some people have reported success by filtering used motor oil through a clean drain pan and funnel into their fuel tank, filling up the rest of the tank with diesel fuel. This method may not require heating the oil during the summer months, but heating may be necessary in colder seasons to achieve a smooth flow.
It is important to note that blending waste oil with fuel additives may not always reduce emissions, and there can be compatibility issues between additives and commercial fuels. However, converting waste oil into its methyl or ethyl esters (biodiesel) before blending can help match fuel quality standards and improve engine performance.
Overall, blending waste oil fuels offers a potential solution to the challenging problem of solvent waste disposal while also reducing dependence on traditional fossil fuels and their associated environmental impacts.
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Frequently asked questions
For simple filtering, you can use a leg from a pair of jeans tied in a knot at the bottom. This method filters slowly but is effective.
Waste oil is best collected with a vacuum system, similar to the type used in a septic tank truck. Small systems are easy to build and will fit in the back of a truck or on a small trailer.
A typical braided PVC hose will work for pumping oil on the “pressure” side of the pump or tank. However, this hose will quickly collapse if used for “vacuum” or on the suction side of a pump. Only spiral-wound suction hose should be used here.
The ideal temperature for filtered oil fuel depends on the type of oil. For diesel, a temperature of 70 to 85 °F is good. For WVO, the oil needs to be close to 160 °F.
