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Home » Keywords: » microbiologically influenced corrosion (MIC)
Items Tagged with 'microbiologically influenced corrosion (MIC)'
In cooling towers, biofilms cause microbial-induced corrosion (MIC) and equipment failures; in membrane systems, biofilms cause scaliing and reduce the life of the equipment. Learn how one pharmaceutical company handled the problem when biological fouling threatened their process.
Food processing is a good example of how the focused production of specific goods creates higher loads of specific waste contaminants. Simple (yet annoying) effects of high wastewater contaminants can be bad odors and clogged drains.
It is critical that process cooling systems relying on cooling towers have robust but cost-effective filtration equipment for water reuse. Cooling tower water frequently contains hazardous materials that should be managed to avoid reintroducing them into the process cooling equipment or system.
Is it time to reconsider testing for total bacteria and Legionella in cooling tower water? Two case histories demonstrate how current water-testing methods could be indicating that bacteria control is acceptable and under good control — when the opposite is true.
Microbiological testing, specifically for total bacteria and Legionella bacteria in cooling tower water systems, has been using a methodology that basically has not changed for many years. The recent Legionnaires’ disease outbreaks due to cooling tower water systems has prompted a closer look at the methodology to determine if there is a need to consider a change that would be more representative of the true microbiological levels in these systems.
As the frac fluid is passes through the well during hydraulic fracturing operations, it may bring along with it an unwanted accompaniment: microbial contamination.
Alone, continuous low-level chlorine feed may not be enough to control cooling water biofilm and its related problems. For improved protection, chlorine should be continuously fed, monitored and controlled.
The proliferation of microorganisms — bacteria, fungi and algae — presents a significant challenge in the maintenance and operation of process cooling water systems.
According to the U.S. Office of Energy Efficiency & Renewable Energy, installing a sidestream filtration system to cleanse cooling tower water will help maintain water efficiency across facilities.
Avoiding scale, corrosion and microbiological growth — all of which diminish effective heat transfer — is the focus of any water treatment approach for water-contacted process heating and cooling equipment.