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There is a growing trend to supplement cathodic protection with Volatile Corrosion Inhibitors (VCI) beneath tank floors. This work is to investigate mutual compatibility and interactions of three different volatile corrosion inhibitors and cathodic protection.
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Oil storage tanks experienced accelerated corrosion from the soil side. The short term strategy adopted was to drill under the tanks and inject vapor phase corrosion inhibitors to extend the tank floor life in a risk-rated phased effort for the 48 tanks.
Corrosion control systems for the underside steel plates of above-ground storage tanks (ASTs) may not provide adequate protection. Volatile Corrosion Inhibitors (VCIs) reduce corrosion in this area and their effectiveness is presented in this paper.
Vapor corrosion inhibitor installation for cased crossing and aboveground storage tank bottoms at military facilities. Safety, testing, documentation and lessons learned. Also, NEC requirements where applicable.
The above ground storage tanks in the refinery are experiencing bottom plate underside (soil) corrosion at a high rate of 1mm/year. Results: Failure of 4 tanks within a period of 9 years. Observations, details of the CP survey, tests, results and forward path taken up.
Practices and procedures for providing cathodic protection to the steel bottoms of on-grade storage tanks that are in contact with the electrolyte. Historical document 1993
HISTORICAL DOCUMENT. Applications for cathodic protection (CP) coupons attached to buried pipelines to determine the level of corrosion protection provided by a CP system.