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GUO Jinbiao, LIU Jin. Corrosion & Protection of Top Recycle Heat Exchanger of Main Fractionator in a FCC Unit[J]. Corrosion & Protection, 2017, 38(7): 566-567,572. DOI: 10.11973/fsyfh-201707018
Citation: GUO Jinbiao, LIU Jin. Corrosion & Protection of Top Recycle Heat Exchanger of Main Fractionator in a FCC Unit[J]. Corrosion & Protection, 2017, 38(7): 566-567,572. DOI: 10.11973/fsyfh-201707018
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Corrosion & Protection of Top Recycle Heat Exchanger of Main Fractionator in a FCC Unit

  • 1. The Research Institute of Lanzhou Petrochemical Company, Lanzhou 730060, China;

  • 2. The Refinery of Lanzhou Petrochemical Company, Lanzhou 730060, China

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  • Received Date: December 27, 2015
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    • Abstract
  • Morphology observation, composition analysis of corrosion products and leaked raw oil were used to study the corrosion reason of top recycle heat exchanger in a FCC unit. The results show that the corrosion caused by ammonium chloride was the major failure cause of the top recycle heat exchanger. In order to solve the problem, anti-corrosion suggestion of painting the tube with anti-corrosion coating was presented and proved to be effective in mitigating the corrosion of the top recycle heat exchanger.
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    • References (4)
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