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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...
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...
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...
Water

Water

Water is used for industrial and municipal purposes. The largest water requirement is for municipal use but the standard of purity required for this purpose is quite different from that demanded for industrial...
Water Pollution

Water Pollution

WATER POLLUTION Water pollution may be defined as the addition of any substance (pollutant) to water resource which may change the physical and chemical characteristics in any way which may interfere with its...
Sedimendation

Sedimendation

 Purpose Of  Sedimentation Sedimentation is a unit operation to settle out the suspended particles and flocs in water. Sedimentation water treatment is achieved by lowering the velocity of the water below...
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...
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...
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