The chemical storage tanks at Acron Co., Ltd. were suspected of having seepage, leakage and corrosion on and around the tank floors. IMMS was assigned to inspect a few tanks using Acoustic Emission method. The data acquired by AE method indicated that there was one small leak on one tank, and there were several locations of corrosion on one of the other tanks.

              As per IMMS recommendation, all the tanks were drained down one at once for complete evaluation of storage tank condition. The visual investigation confirmed that the data obtained from AE method were significantly accurate, one minor leak and one location of severe corrosion were found at the locations monitored from Acoustic Emission method.
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