Evaluation of cathodic protection system design for tanks with double bottoms utilizing galvanic anodes
Book
·
OSTI ID:124415
- Mobil Research and Development Corp., Paulsboro, NJ (United States)
- Mobil Beaumont Refinery, TX (United States)
An investigation was conducted on the performance of two different cathodic protection systems designs utilizing zinc ribbon anodes that can be used for corrosion control for aboveground storage tanks with double bottoms. A full scale field test on a 35 meter (115 feet) diameter tank was conducted to determine cathodic protection system performance. The test included periodic measurement of tank bottom steel potentials including on, instant off and polarization decay, anode current output with associated current densities and tank product level measurements. Results showed that zinc ribbon anode spacing in a chord fashion of 1.2 meter (4 feet) or less can be effective to achieve cathodic protection according to industry accepted standards.
- OSTI ID:
- 124415
- Report Number(s):
- CONF-950304--
- Country of Publication:
- United States
- Language:
- English
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