Fractionation of hydrogen sulfide rich sour gas and methods of use
US8955354B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2010 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Oct 19, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L3/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods and systems are provided for treating hydrogen sulfide rich sour gas through a series of fractionation columns. The processes disclosed herein and the variations thereof provide optimized processes for the removal of hydrogen sulfide from sour gas through the introduction of innovative azeotrope breakers, novel configurations of process equipment, and optimized operating conditions. Advantages of certain embodiments of the present invention include reduced equipment requirements, improved process efficiencies, reduced operating costs, and reduced capital costs. Other advantages include better process suitability to certain environmental conditions such as the arctic cold when compared to conventional amine treatment processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.