Patent · US Expired

Method for removing polymer from an acid gas treating system

US6989046B1 · kind B1 · utility

4Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 2000
Grant dateJan 24, 2006
Priority date
Expiry dateMar 2, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D53/1425
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method for removing polymer from an acid gas treating system comprising contacting an acid gas containing stream with an aqueous alkanolamine solution and hydrocarbon solvent to form a mixture of an alkanolamine rich solution having the acid gases or byproducts thereof contained therein and the hydrocarbon solvent, where the hydrocarbon solvent has about 60 to 100 volume % aromatics content; and about 50 to 85 volume % two ring aromatic content, based on the total volume of the solvent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.