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GRAVITY OF CORROSION PROBLEMS

GRAVITY OF CORROSION PROBLEMS

The process of corrosion is slow and occurs only at surfaces of metals, but the losses incurred due to corrosion are enormous waste or destruction of mechanical, equipments and different type of metallic products. In general, the life of the equipment/plant/bridge, etc., is very much reduced due...
Metal Corrosion and Protection

Metal Corrosion and Protection

Most metals (with the exception of noble metals such as Au, Pt  exist in nature in such combined forms as their oxides, carbonates, hydroxy carbonates, sulfides, chlorides and silicates. These are reduced to their metallic states from their ores during their extraction processes. During extraction...
Corrosion in Water Treatment

Corrosion in Water Treatment

 Corrosion in Water Treatment Equipment Corrosion is the rusting of metal in pipes or tanks due to the corrosive action of either water or soil. Scales are deposits caused by the deposition of calcium carbonate on the inner surface of the water treatment equipment pipes or tanks. Stable water is...
Corrosion and Scaling

Corrosion and Scaling

Effects of Corrosion and Scaling Corrosion, like that shown below, can cause economic, health, and aesthetic problems. Economic problems result from damage to pipes, storage tanks, valves, and meters. Damage to pipes is the most prevalent, consisting of leaks and reduced carrying capacity of...
Corrosion Control Methods

Corrosion Control Methods

Chemical Treatment Treatment of corrosive water can be either chemical or physical. Chemicals used in the treatment are either meant to stabilize the water, to form a protective film on the pipe surface, or to kill problematic bacteria. Stabilizing the water is often the simplest form of...
Corrosion Indicators

Corrosion Indicators

The most common indicators of corrosion in the distribution system are red water complaints and leaks. If the incidence of these problems increases in a certain area of the distribution system, then some sort of corrosion control may need to be undertaken. Red water is usually caused by...
Types of Corrosion

Types of Corrosion

Types of Corrosion Corrosion can occur on the outside of a pipe (due to corrosive soil) or on the inside of a pipe (due to corrosive water.) Either outside or inside a pipe, the creation of the corrosion cell can be through electrolysis, oxygen concentration cells, or through galvanic...
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