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51313-02207-Materials Threats in Aging Amine Units

Product Number: 51313-02207-SG
ISBN: 02207 2013 CP
Author: Johan van Roij
Publication Date: 2013
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$20.00
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Since 1965 the mixed chemical/physical solvents Shell Sulfinol-D and Sulfinol-M (since 1981) process has been utilized to remove H2S organic sulfur and CO2 from natural gas associated gas and hydrogen manufacturing unit off gas. Many of these units are still in operation often operating under very different conditions as in the original design. Sometimes the solvent has been adjusted e.g. to Sulfinol-X or the aqueous solvent ADIP-X. This paper addresses the influence of the changing conditions on the process parameters such as the absorber temperature and concentration profiles as well as the forthcoming effects on the pure aging of amine units with respect to the safety integrity. The implications of changing operating conditions for corrosion erosion-corrosion and how to mitigate and manage (e.g. by operating within certain “Integrity Operating Windows”) are discussed.

Since 1965 the mixed chemical/physical solvents Shell Sulfinol-D and Sulfinol-M (since 1981) process has been utilized to remove H2S organic sulfur and CO2 from natural gas associated gas and hydrogen manufacturing unit off gas. Many of these units are still in operation often operating under very different conditions as in the original design. Sometimes the solvent has been adjusted e.g. to Sulfinol-X or the aqueous solvent ADIP-X. This paper addresses the influence of the changing conditions on the process parameters such as the absorber temperature and concentration profiles as well as the forthcoming effects on the pure aging of amine units with respect to the safety integrity. The implications of changing operating conditions for corrosion erosion-corrosion and how to mitigate and manage (e.g. by operating within certain “Integrity Operating Windows”) are discussed.

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