Available for download
Product Number:
51324-21052-SG
Author:
Abdullah M. Alratoee; Ibrahim A. Albrahim; Ricardo S. Costa; Sayee Raghunathan
Publication Date:
2024
$40.00
Amine solutions have been widely used to remove acid gases at gas treatment units found in gas plants, refineries and other facilities. Corrosion is always a challenge for these units, particularly for carbon steel equipment or piping that are processing hot amines. Amines are noncorrosive by nature. However, once acid gases are dissolved in amines, they act as strong electrolytes, which significantly increase the susceptibly of carbon steel components to corrode. Temperature, acid gas loading, velocity, and degradation products are the primary factors that influence amine corrosion. This paper presents Saudi Aramco experience with corrosion challenges encountered in hot diethylene glycol amine (DGA) piping circuits and equipment. Corrosion was identified at two locations which are the rich amine inlet piping to stripper and the stripper column. The paper also details the adequate corrosion control measures to reduce the corrosion risk and ensure asset integrity. Furthermore, the paper discusses the maximum recommended temperature limit for rich amine streams, derived from hands-on experience and an in-house built corrosion prediction model. The results and conclusions provide valuable insights, offering a clear path forward for addressing corrosion challenges in similar amine systems and fostering a safer and more efficient operation.
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Available for download
Product Number:
51321-16876-SG
Author:
Matthew MacWatters; Iain Hall
Publication Date:
2021
$20.00
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