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Failure analysis on corrosion of PTA oxidation equipments

  • Ming Li*
  • , Xiaogang Li
  • , Cut Wei Du
  • , Xue Qun Cheng
  • *Corresponding author for this work
  • University of Science and Technology Beijing
  • CAS - Institute of Metal Research

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, failed components of PTA oxidation equipments were examined by using optical microscopy,scanning electron microscopy and EDS analysis et al. The results showed that uniform corrosion, pitting, erosion corrosion and their interaction are the main causes of the failure of the PTA oxidation equipments in the environment containing acetic acid, Br - and fluid steam and liquid. Besides, some measures for corrosion prevention are proposed.

Original languageEnglish
Pages (from-to)282
Number of pages1
JournalCorrosion Science and Protection Technology
Volume17
Issue number4
StatePublished - Jul 2005
Externally publishedYes

Keywords

  • Br acetic acid
  • Erosion corrosion
  • PTA equipments
  • Pitting

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