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51316-7913-Improve Amine Unit Reliability and Optimize Treating

Picture for Improve Amine Unit Reliability and Optimize Treating
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Product Number: 51316-7913-SG
ISBN: 7913 2016 CP
Author: Scott Waite
Publication Date: 2016
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Corrosion in amine treating units is a well-known phenomenon that can result in down time and lost production. Over the years there have been studies that show that organic acid anions amino acids and chloride can contribute to this corrosion. On the other hand it is known that increasing levels of these contaminants results in lower lean loadings and lower steam requirements for the desorption of the acid gas in the stripper. A balance between acceptable corrosion rates and lean loading/energy requirements is needed for optimal amine system performance. The effect of amine management practices that ranged from no heat stable salt (HSS) mitigation periodic amine reclamation and continuous online amine reclamation was investigated. Corrosion as a function of heat stable salt levels was evaluated. This data will be presented and the implications for each strategy shown. It was determined that the best practice is for continual online amine reclamation to keep the concentration of HSS and other contaminants at a level that minimizes corrosion and other system problems while still keeping lean loading and regenerator energy use at acceptable levels.
Corrosion in amine treating units is a well-known phenomenon that can result in down time and lost production. Over the years there have been studies that show that organic acid anions amino acids and chloride can contribute to this corrosion. On the other hand it is known that increasing levels of these contaminants results in lower lean loadings and lower steam requirements for the desorption of the acid gas in the stripper. A balance between acceptable corrosion rates and lean loading/energy requirements is needed for optimal amine system performance. The effect of amine management practices that ranged from no heat stable salt (HSS) mitigation periodic amine reclamation and continuous online amine reclamation was investigated. Corrosion as a function of heat stable salt levels was evaluated. This data will be presented and the implications for each strategy shown. It was determined that the best practice is for continual online amine reclamation to keep the concentration of HSS and other contaminants at a level that minimizes corrosion and other system problems while still keeping lean loading and regenerator energy use at acceptable levels.
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