IP & E APPLICATION
POST-COMBUSTION CARBON CAPTURE
Carbon dioxide ( CO 2 ) can be captured from the flue gas resulting from a combustion process . This can be flue gas coming from any pressurized combustion in a boiler , gas turbine , or industrial process yielding CO 2 .
Typically , the flue gas is first cleaned , with trace components like sulfur dioxide ( SO 2 ) and hydrogen chloride ( HCl ) being removed to prevent malfunctioning of the capture process . Various capture mechanisms , or combinations of them , can be applied , including phase separation , selective permeability , and sorption ( the most common mechanism at large point sources ).
After CO 2 is captured from the flue gas , the inert gases , for example nitrogen ( N 2 ), oxygen ( O 2 ) and argon ( Ar ) in the flue gas are vented to the atmosphere .
Traces of CO 2 will be present in the vented gas due to the efficiency of the capture process being less than 100 %.
The focus of research , design and development in post-combustion capture is aimed at reducing energy requirement and capital cost through developing and adapting solvents , optimizing the required process installations , and integrating the capture system within the process .
THERMAL POWER PLANT CO 2 CAPTURE TECHNOLOGY
P40