This article explores the main reasons and prevention measures for amine discoloration and decreased amine adsorption capacity encountered by chemical enterprises in the process of using amine solution to absorb carbon dioxide.This article explains the application of amine solution in chemical production process,the main reasons for amine solution discoloration,why amine solution degrades,and the corresponding measures taken.Through analysis,it can be concluded that the main methods to prevent discoloration of amine solution are:amine solution storage tanks should be regularly checked for intact nitrogen seals;Track changes in the composition of raw gas and make timely adjustments;Control the reasonable temperature inside the analysis tower to prevent the reboiler from overheating.
amine solutionMDEAN-methyldiethanolaminecolor changethermally stable salt