The air pollution and odor wet e caused by the waste gas from the refinery that is controlled emission in high stack and uncontrolled leakage.
炼油厂在生产过程中产生的废气，有组织高架源排放及无组织泄漏释放，易引起空气污染及恶臭危害。
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A leakage current testing system controlled by IPC according to the standard of IEC 61010 is introduced for the implementation of the electric safety standard.
This article analyses the leakage reason of ammonia synthetic tower shell by NDT, presents that the equipment's design, manufacture and application should be strictly controlled and managed.