PROCESS FOR REMOVAL OF CARBON DIOXIDE FROM A GAS

摘要

The invention provides a process for the removal of CO2 from a gas, the process comprising the steps of : (a) removing CO2 from the gas by contacting the gas with absorbing liquid in an absorber to obtain absorbing liquid enriched in CO2 and a purified gas; (b) heating absorbing liquid enriched in CO2; (c) contacting heated absorbing liquid enriched in CO2 with a stripping gas at elevated temperature in a regenerator to obtain regenerated absorbing liquid and a hot gas stream enriched in CO2; wherein at least part of the absorbing liquid enriched in CO2 is heated through external heat exchange with the hot gas stream enriched in CO2.