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Bacteria in water systems are ubiquitous and diverse. Should a closed system show signs of corrosion and loss of efficiency, biofilm might be the culprit, causing Microbiologically Influenced Corrosion (MIC).
Biofilm is traditionally controlled by maintaining relatively low general bacteria (Total Viable Count) levels. These planktonic bacteria levels have no relationship with the presence biofilm, however – biofilm contains bacteria in the sessile form (surface adhering), which means it would not necessarily be detected in a sample.
Overall, biofilm proliferation in water systems can lead to a myriad of problems, compromising water quality and system efficiency. As a trusted water treatment company, we are well-versed in the control of biofilm formation and combatting resilient bacterial ‘hide-outs’.
In this blog, we’ll explore the importance of biofilm control, discuss various techniques and products available, and highlight how Guardian can help you maintain clean and efficient water systems.
Biofilm is a complex community of different competitive and symbiotic microorganisms and chemical gradients that have adhered to surfaces of metal components in heating and cooling systems. When the environmental conditions are optimum, biofilm can proliferate in pipes, effecting the efficient operation of cooling towers, boilers, chillers, plate heat exchangers and heat pumps. In the worst cases, corrosion will occur, predominately in the form of pitting.
Over time, biofilm will affect water flow and reduce heat transfer efficiency. The biofilm colonies can be made up of one or several notable corrosion influencing bacteria in their sessile form, such as Sulphate Reducing Bactria (SRB), Iron Oxidising Bacteria, Denitrifying Bacteria etc.
Effective biofilm control is crucial for operational reasons:
For effective biofilm removal from pipes, it is essential to follow a systematic approach:
Guardian Water Treatment employs a range of proven techniques for effective biofilm removal, including:
Biofilm control is a critical aspect of maintaining clean and efficient water systems. With Guardian Water Treatment’s expertise, advanced techniques, and preventative approach, you can ensure that your water-carrying equipment remains free from biofilm-related challenges.
The most effective way to control the biofilm potential in a closed system in the first instance is good design and operating the systems as designed.
Secondly, simply monitoring the corrosion rate or corrosion indices will give sufficient heads-up information if bacterial counts suggest that MIC is active within the system.
Whether you need biofilm removal in pipes or comprehensive water treatment solutions, Guardian is your reliable partner in safeguarding the integrity and safety of your water systems.
We can offer a yearly suite of sampling to identify any corrosion causing bacteria that may be present. This would supplement and support general total bacteria sampling and thus reduces maintenance sampling for bacteria that are not helpful when assessing the MIC potential.
We can also review the systems operation and inspect for potential ‘hide out’ areas of pipe work that could become a risk for biofilms to be successful.
Choose Guardian Water Treatment for effective biofilm control and exceptional water treatment services. Contact us today to keep your water systems in top condition!