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  1. Electromagnetic Filtration in the Oil Reclamation Process

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    Magnetic filtration systems come in two essential varieties: a permanent magnet system that uses a permanent or rare earth magnet to remove metal particles from reclaimed oil, or an electromagnetic system, which can hold an electrically generated magnetic field at optimal times and intensities. Permanent magnetics have relatively low filtration efficiency, leaving behind approximately 30-40% of iron particles in the oil. It also requires continuous manual effort for operation and maintenance while simultaneously posing a danger to human operators because of its constant magnetic field.

    Our BallMatrix electromagnets, on the other hand, offer a 99% efficiency rate, give operators complete control over the magnetic field for efficient operations and safety, and reduce downtown during scheduled maintenance compared to a permanent magnet system. Take a closer look at the role of electromagnets in the oil reclamation process, the benefits of choosing electromagnets, and how to build the right filtration system for your business.

    Usage of Electromagnets in the Reclaiming Oil Process

    Oil can degrade over time or during processing, becoming contaminated with organic matter, minerals, and traces of metal. Submicron iron particles, in particular, pose a significant challenge in reclaiming oil. However, electromagnetic systems can target those iron particles as part of the reclaiming process.

    The first stage of the oil reclamation process involves mechanical filtration to remove large organic and metal particles. To remove iron particles greater than 50 microns in size, systems often use permanent magnets and other traditional filtration methods; these methods can handle the removal of larger iron particles with a high degree of consistency.

    However, smaller particles — those below 50 microns or at the sub-micron level — require finer and more accurate tools for reliable filtration. During the second stage of the oil reclamation process, operators need a filtration process that can remove iron particles as small as <1 microns. If the iron isn't filtered from the oil, it can oxidize and contaminate the fluid. Iron particles also attach to vessels used throughout the heating and refining process, leading to damage and additional costs. Our BallMatrix electromagnet generates hundreds or even thousands of electromagnetic fields to capture submicron iron particles, leading to a 99% removal rate that makes the oil easier to refine and reclaim.

    Benefits of Electromagnetic Filtration for Oil Reclamation

    Filtering contaminants out of reclaimed oil is essential to protect the integrity of the product and the systems used to refine it. While permanent magnets (and traditional filtration methods) can handle the initial stage of removing large particles, an electromagnet is a more effective choice. Electromagnets also outperform mechanical filtration systems like grid filters and cartridge filters. Some of the key benefits of our Iron Separator System are:

    • Higher Revenue: Highly filtered oil is a better product, and it performs better on the market. By fully filtering your oil to remove small and large iron particles, you can sell your oil for a higher price and generate more revenue per unit.
    • Faster Processing: Permanent magnets need a lot of manual maintenance and attention. Our BallMatrix system takes those maintenance tasks off your team’s to-do list. It doesn’t need to be hand cleaned or cleaned by hydraulic wipers, due to the automatic backwash system. When the filtration system turns to automatic backflush mode, the magnetic field is shut off in order for the debris to cycle out of the system. There is no personnel interaction or manpower required, and the filtration system can be up and running again as soon as the system is clear. Not only does this ensure faster and more consistent industrial oil filtering without downtime, but it also reduces the cost of labor.
    • Excellent Results: Our BallMatrix electromagnet removes 99% of iron particles or more. It outperforms both permanent and rare earth magnets and rare earth magnets by generating hundreds or thousands of magnetic fields that the particles can’t evade.

    Design Your Electromagnetic Filtration System With Milhous

    Reliable electromagnetic oil filtration solutions help you filter oil so you can deliver a better product at a higher price. At Milhous, we design electromagnetic fluid filtration systems that are designed to capture submicron particles without the maintenance and operational costs of other magnetic filtration systems. Contact us today to learn more about our BallMatrix solution.

  2. Magnetic Filtration 101

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    Filtration removes contaminants, such as microbes, inorganic solids, and minerals, from fluid streams. It is essential for many applications that require high-purity fluid to achieve and maintain safe, consistent, and/or efficient operations. One of the most popular methods of filtering ferrous particles from fluids is magnetic filtration, which uses a magnetic core or rod to attract and collect ferrous compounds from a fluid flowing around it.

    The following blog post provides an overview of magnetic filtration. It highlights how magnet filters work, their main advantages, the types available, and the industries served. Additionally, it covers the solutions offered by Milhous Company, a premier provider of electromagnetic iron filtration systems.

     

    Magnetic Filtration 101: How It Works and Main Advantages

    Magnetic filtration systems use either neodymium rare earth magnets, also known as permanent magnets, or electromagnetic coils to collect and remove ferrous particles within a fluid stream. The particles may come from contamination caused by a previous processing stage or from equipment breaking down. The magnets generate a magnetic field that attracts the magnetically susceptible particles from the fluid stream and captures them in a magnetized matrix. After the filtration process is completed, the filter matrix can be removed to wash away the captured particles and then replaced in the system to be reused. 

    EMF diagram transparent

    Magnetic filters are superior to cartridge, bag, and/or screen type barrier filters. Barrier filters collect contaminants within a limited size range. The filter bed matrix for these types of filters must be sized perfectly. If the filter matrix is sized too small for the particle size being removed, the filter matrix will become easily clogged, reducing the flow through the filter. Operation under this condition ultimately leads to pressure buildup that causes contaminant breakthrough. Conversely, magnetic filters can generally remove most ferrous contaminants, regardless of their size. 

     Compared to other filters, magnetic filters also offer the following advantages

    • They are less expensive to maintain and operate since they can be cleaned and reused. 
    • They usually require less maintenance due to the ability to have automated cleaning systems.
    • They are more effective and environmentally friendly since the contaminants they collect can be recycled, and the fluids they filter retain their characteristics.

     

    Permanent Magnet vs. Electromagnetic Filtration

    Magnetic liquid filtration systems can be classified into two main categories: permanent magnet filters and electromagnetic filters.

    Electromagnet filtration vs permanent magnet filtration

    Permanent Magnet Filtration Systems

    Permanent magnets have molecules that are permanently oriented to generate a magnetic field. They can be made from various materials, such as neodymium, samarium-cobalt, alnico, and ceramics, that are given a permanent magnetic charge during the manufacturing process. As a result, they have a strong, long-lasting charge, making them a good choice for simple, larger particle filtration systems.

     

    Electromagnetic Filtration Systems — BallMatrix®

    Electromagnets are not permanently fixed to generate a magnetic field. Instead, they generate a magnetic field when an electrical current is applied. This quality allows operators to control when the electromagnetic is on and off.

    Milhous Company’s BallMatrix® electromagnetic filtration systems are the most simple and effective liquid filtration solutions for iron available in the market. They offer numerous advantages over permanent magnet filtration systems. For example:

    • They allow for complete control over the magnetic field, ensuring safe operation and maintenance.
    • They achieve 99% filtration efficiency with no minimum or maximum flow requirements. 
    • They have an automated two-minute backwash system that requires no personnel interaction. 
    • They are virtually maintenance-free due to their required 40-year design life. 
    • They have 100% contained waste streams. 

     

    Emf diagram transparent

    Benefits of BallMatrix Electromagnetic Fluid Filtration Systems

    Some of the key benefits of BallMatrix filters include:

    • Increased fluid process efficiency — No matter the liquid, particle size, or flow rate, the BallMatrix removes 99% of micron and submicron iron particles from process fluids.
    • Enhanced operational efficiency — The virtually maintenance-free BallMatrix helps reduce downtime and increase production.
    • Decreased maintenance costs — The electromagnetic filter matrix is permanent and will never have to be manually cleaned or replaced. 
    • Reduced energy costs — The amount of energy required to power the BallMatrix is only 16.5 kVA.

     

    Industries Served

    Magnetic filtration systems find application in many industries, including, but not limited to, the following: 

    • Automotive
    • Power Generation
    • Pulp and Paper 
    • Food and Beverage
    • High-Purity Water
    • Manufacturing
    • Metallurgy
    • Nuclear Power
    • Oil and Gas
    • Public Water

    Contact Milhous Company for Superior Magnetic Iron Filtration From Liquids

    If you’re looking for an electromagnetic fluid filtration system you can count on in your most critical operations, turn to the electromagnet experts at Milhous Company. Our iron separation filter systems are built in compliance with numerous industry specifications and standards, including National Electric Code, ASME, ASTM, ANSI, CE, TUV, and NEMA. Additionally, our ISO 9001:2015 certified quality management program ensures the quality of our solutions. 

    To learn more about our electromagnetic filtration solutions and how they can benefit you, contact us today. To get started on your solution, request a quote.

     


     

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