Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
ISSN-L : 0917-0480
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Damage of Erosion · Corrosion on Equipments at Chemical Plants
Masazumi Miyazawa
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2008 Volume 57 Issue 3 Pages 118-121

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Abstract

The various kinds of corrosion damage exist at a chemical plant due to the number of different materials handled. Among all, the damage caused by the flow has been an issue for a long time, and yet its cause remains unresolved because of the complex operation conditions. As such, this damage has been categorized as a so-called erosion · corrosion, and a corrosion prevention has not been investigated. This paper gives examples of erosion corrosion problems that occurred at chemical plants, and analyzes the damage from a new perspective. Many of the results do not correspond with the initial assumptions. As for the damage resulting from the flow, it is important to evaluate the condition of the material surface and examine the operation conditions. Through these analyses, the paper reports how the damage caused by the flow-an inherent problem in chemical plants-is to be tackled.

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© 2008 Japan Society of Corrosion Engineering
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