| 摘要 |
A method of removing hydrogen sulphide from a gaseous mixture (111) comprising hydrogen sulphide and carbon dioxide, which method comprises the steps of bringing said gaseous mixture into contact with a liquid absorbent in an absorber (112) heating (212, 214) the liquid leaving the absorber to desorb part of the hydrogen sulphide and carbon dioxide dissolved therein, separating said liquid from said desorbed carbon dioxide and hydrogen sulphide in a separator (130) recycling at least part of said desorbed carbon dioxide and hydrogen sulphide to said absorber, and expanding (120) said liquid downstream of said separator. |
