The Roles of ENA for Maintenance Strategies in Process Plants

摘要

Electrochemical Noise Analysis (ENA) has been used as laboratory technique for the fundamental study of form of corrosion. In recent years, the development of instrumentation technology as in measurements of potential and current makes it possible to apply ENA to commercially available corrosion monitoring technique in practical use for the field monitoring. In addition, since recent maintenance strategy for process plant requires a new role for corrosion monitoring technology, ENA-based online corrosion monitoring technique is being expected to be applicable to proactive corrosion control. In this paper, the importance of ENA for the latest maintenance strategy as an on-line measurement for real-time data collection was discussed. Issues to be solved for wide use of ENA in the practical field was also discussed.