MIC microbiological corrosion prevention

Microbiologically Influenced Corrosion (MIC) is a problem in many industrial plants, since bacterial communities are common inhabitants of every possible environment, from the high pressure lines to radioactive wastes. MIC is most commonly found in open condenser water and cooling loops, but it has been identified in most piping systems - from domestic water and fire sprinkler lines, to water heating systems.

For open systems, the main entry point for bacteria are intake water and cooling towers. The last act similarly to giant air scrubbers, washing large amounts of particles, organic matter and microbes into the water. For closed systems, the microbes present in the make-up water usually provide the initial source of contamination. Under favorable conditions, even a small initial microbial load can produce significant problems.

MIC is extremely aggressive, and in its worst form can lead to piping failures within a short time. Once established, MIC is extremely difficult to eliminate, and may elevate into a chronic maintenance and operating problem. The failure to totally remove MIC from deep pits, branches and dead legs of a piping system generally results in reinfection of pipes within a short period of time.

ALVIM Biofilm Sensor helps to prevent both the corrosion caused by bacterial activity (MIC) and the corrosion produced by excessive chlorinations.