| 摘要 |
A method of removal of hydrogen sulfide (HS) from coke gas includes the stage of absorption of HS and carbon dioxide (CO) by the solution of ethanolamine in mass-exchange absorptive apparatus, condensation trap, heat exchange equipment, distillation column, stage of cooling the circulating recovered solution of ethanolamine, condensation stage of water vapor and vapor of ethanolamine from steam-gas mixture, stage of reduction of the spent solution of ethanolamine with the aid of alkali (NaOH), and as mass-exchange absorptive apparatus a vortex apparatus is used. |
