Unlocking the Secrets of Microbial Corrosion: How Bacteria and Fungi Impact Metal Degradation
ScienceEarth SciencesMicrobial corrosion is a fascinating process where bacteria and fungi play a significant role in the degradation of metals like steel, aluminum, and cement. This article delves into the intricate mechanisms of how microorganisms directly and indirectly corrode metals, shedding light on their impressive capabilities.
Understanding Microbial Corrosion
⚙️Microbial corrosion involves different types of bacteria like chemolithoautotrophs and fungi.
🔬Protons act as primary electron acceptors in the absence of oxygen, leading to the formation of protective hydrogen compounds.
🦠Microorganisms store iron as a backup for essential functions, leading to efficient corrosion of steel.
🛠️Microorganisms can corrode steel, aluminum, and cement, posing a threat to building materials.
Impact of Chemolithoautotrophs
🌱Chemolithoautotrophs are one of the major groups of microorganisms contributing to corrosion.
🔩Sulfate reducing bacteria reduce sulfate to produce sulfide, leading to iron sulfide formation and corrosion.
FAQ
What is microbial corrosion?
Microbial corrosion is a process where bacteria and fungi degrade metals like steel and aluminum.
How do chemolithoautotrophs contribute to corrosion?
Chemolithoautotrophs are a major group of microorganisms that play a key role in metal degradation.
What are the protective compounds formed in the absence of oxygen?
Protons act as primary electron acceptors, leading to the formation of protective hydrogen compounds.
Which building materials are at risk from microbial corrosion?
Steel, aluminum, and cement are vulnerable to degradation by microorganisms.
Summary with Timestamps
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Microbial corrosion is a fascinating process where bacteria and fungi play a significant role in the degradation of metals like steel, aluminum, and cement. This article delves into the intricate mechanisms of how microorganisms directly and indirectly corrode metals, shedding light on their impressive capabilities.
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