Controlling Legionella by Reducing Dissolved Oxygen
Legionella thrives in conditions that allow it to grow, such as warm water, low disinfectant levels, scale and sediment, and water age or stagnation. Often taken for granted, sufficient levels of dissolved oxygen (DO) are also necessary for Legionella growth. Given this, recent research suggests that reducing the oxygen in the water may serve as an effective method of controlling Legionella. While a promising concept, it is important that you work with a Legionella expert such as Legionella Control Systems to guide you through this advanced method.
Why Dissolved Oxygen Matters for Legionella
Legionella bacteria need oxygen to live and multiply. In most water systems, especially in large buildings, there’s enough dissolved oxygen to support their growth. By reducing this oxygen level, it’s possible to starve the bacteria of what they need to survive, much like taking away air from a fire.
Traditionally, chemicals like chlorine are used to control Legionella, but they can have drawbacks, such as causing pipes to corrode or forming harmful by-products. On the other hand, lowering the oxygen level in water can control the bacteria without these side effects. Removing dissolved oxygen in the water also reduces pipes from oxidizing or rusting, which helps to prevent biofilm. This approach is safer for the plumbing system and avoids the presence or effects of harmful chemicals in the water.
How to Lower Dissolved Oxygen to Control Legionella
One of the best ways to reduce oxygen in water is by using a technology called a membrane contactor. This device removes oxygen from water without adding any harmful chemicals. As Legionella Control System knows from its engineering experience, these types of systems are already widely used in industries like microelectronics, beverage production and pharmaceuticals, where water quality needs to be carefully controlled. By applying the same technology to facility water systems, it’s possible to create an environment where Legionella bacteria can’t thrive.
Membrane contactors are highly effective, reducing oxygen to extremely low levels, and making it nearly impossible for the bacteria to survive. Unlike disinfectants, this method doesn’t need to be constantly replenished, so it offers a long-term solution that reduces the ongoing need for chemicals.
The Benefits of Lowering Oxygen for Legionella Remediation and Mitigation
Lowering dissolved oxygen offers many advantages over traditional chemical methods for Legionella remediation and mitigation. For starters, it avoids problems like pipe corrosion, which can lead to expensive repairs. It also prevents harmful chemicals from forming in the water, making it a safer option for both the building and its occupants. Because this method doesn’t rely on chemicals like chlorine, it’s also more environmentally friendly.
In addition, reducing oxygen in water can be a more cost-effective approach over time. Once the oxygen levels are lowered using a membrane contactor, the system can continue to operate without the need for constant chemical treatments and chemical monitoring. This makes it a sustainable and practical option for businesses concerned about long-term Legionella control.
Why Independence and Engineering Expertise Are Important for Legionella Control
If you’re looking to adopt this advanced approach to Legionella control, it’s important to work with experts who understand both the science and the technology behind it. Most companies are built upon a limited number of Legionalla control options, and sometimes just one option. By contrast, Legionella Control Systems is an independent specialist with the engineering expertise to design and implement custom solutions for your specific water system. They can assess your building’s needs, set up the right technology, and provide ongoing support to ensure your water system remains free of Legionella.
What further sets Legionella Control Systems apart is their unbiased, independent approach. As specialists in Legionella control, our sole focus is on helping you find the most effective solution for your building, without pushing unnecessary products. We offer practical advice and services based on real-world engineering experience, not just the products.
Is Reducing Dissolved Oxygen a Smarter Way to Control Legionella?
As cases of Legionnaires’ disease continue to rise, it’s clear that organizations need better solutions for controlling Legionella in their water systems. Reducing dissolved oxygen offers a promising new way to stop this dangerous bacteria from growing. By partnering with Legionella Control Systems, you can implement this innovative approach, ensuring the safety of your water system while avoiding the pitfalls of traditional chemical treatments. Contact Legionella Control Systems experts to learn if controlling Legionella by reducing dissolved oxygen (DO) will work for you.
Legionella Control Systems utilizes the Professional Qualifications Standard for Legionella Water Safety and Management Personnel, ASSE/IAPMO/ANSI 12080. Our lead staff have attained ASSE 12080 Legionella Water Safety and Management Specialist Certification.
We can help you with your Legionella risk assessment, Legionella testing, Legionella remediation, and everything else you need to control Legionella. Contact a Legionella Control Systems expert now.
