Obtaining maximum cathodic protection per dollar spent
Journal Article
·
· Gas Ind.; ()
OSTI ID:5124497
By using a high-potential magnesium anode - such as Dow Chemical USA's GALVOMAG - corrosion engineers need fewer anodes to protect a given area of underground pipeline than when installing sacrificial anodes with lower potentials. Furthermore, the 20 to 30% greater current realized with a magnesium anode allows protection in higher resistivity soils. The actual design of a cathodic-protection system depends upon the current requirements per square foot of pipe area, soil resistivity, and the years of protection desired. Careful determination of these parameters will produce an adequate protection system at the lowest cost.
- OSTI ID:
- 5124497
- Journal Information:
- Gas Ind.; (), Journal Name: Gas Ind.; () Vol. 24
- Country of Publication:
- United States
- Language:
- English
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