Electromagnetic separation of heat stable salt from gas sweetening amine

Abstract

This paper aims at the development and application of electromagnetic-mechanical salt removal (EMSR) process for the removal of Heat Stable Salt (HSS) from Gas Sweetening Amine. The operation of the EMSR process is investigated numerically to examine its efficiency under different operating conditions. The mathematical approach used for the EMSR modeling is based on solving the Navier–Stokes equations using Eulerian approach, and solving the HSS movement using Lagrangian approach. The important parameters that affect the separation process are examined using the developed model. The study results show that the EMSR process efficiency is enhanced with the increase in MDEA solution temperature. It is found that the decrease in MDEA concentration improves the removal of the HSS. In the study, it is found that around 70% removal of the HSS can be achieved using the EMSR. It is demonstrated that EMSR can be used effectively to separate dissolved HSS from MDEA solution.