公开(公告)号：US09943775B2

公开(公告)日：2018-04-17

申请号：US14547233

申请日：2014-11-19

Applicant: PROSERNAT

Inventor： Jeremie Esquier ,  Bernard Chambon ,  Christian Streicher

IPC: B01D3/06 ,  B01D3/10 ,  B01D3/34 ,  C07C29/80 ,  B01D53/14 ,  B01D3/14

CPC classification number: B01D3/06 ,  B01D3/10 ,  B01D3/148 ,  B01D3/34 ,  B01D53/1425 ,  B01D2252/2023 ,  C07C29/80 ,  C07C31/202

Abstract: The invention concerns a flexible process for purifying a solvent which inhibits the formation of hydrates during gas processing, in particular monoethylene glycol (MEG), said solvent having a boiling point which is higher than that of water and, at least at one point in time, being mixed with water and salts, the process operating in a different manner with the same facility as a function of the quantity of salts in the MEG to be treated.The process operates in accordance with a phase known as reclaiming (separation of salts under vacuum followed by vacuum distillation) when the salts content exceeds the precipitation threshold and if not, the process operates in a regeneration phase (absence of separation of salts and no operation under vacuum).Advantageously, the change is made under the control of means for testing the salts.