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Case Study - 2: Deposit & Microbiologically Induced Corrosion in Potable water pipe |
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Enlarged view
| Type of Failure |
Deposit corrosion and microbiologically induced corrosion in potable water pipe |
| Material | Mild steel pipe 6” |
| Failure Time | 3 Years |
| Environment | Bulk species is water, Other species salts in water and bacteria. |
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| Observation |
Pits were found to be covered by slimy deposits of reddish brown color indicating bacterial activity. These were identified to be micrococci and Bacilli.
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| Prevention |
Use appropriate biocide and inhibitors and reduce salt level. |
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