August 2015

Special Report: Fluid Flow and Rotating Equipment

Quickly detect leaks with vapor testing in tank bottoms

Leaks result in a direct loss of revenue, along with the possible contamination of soil and water, leading to potential punitive action from environmental agencies and negative corporate publicity.

Liu, T.-Q., Sichuan University; Zheng, Q.-W., University of Connecticut; Liu, L.-C., Logistical Engineering University of PLA

Steel storage tanks are a key part of any distribution operation for petroleum liquid products. However, tank-bottom plates are prone to rust and corrosion, which may penetrate through the steel and cause product leakage. Leaks result in a direct loss of revenue, along with the possible contamination of soil and water, leading to potential punitive action from environmental agencies and negative corporate publicity. Product leaks also threaten life and property safety due to the possibility of fire and explosions. While a number of techniques are available for qualitatively identifying leaks, tank entry has often been seen as the only real choice.1 Unfortunately, it is difficult to detect le

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