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CCUS using post-combustion capture (process heater)


Technology Description

Process heaters, boilers and utilities account for around 30-60% of the total CO2 emissions of a refinery. Processes needed to capture CO2 from the flue gas of these processes is similar to those in power generation.
Hydrogen production is responsible for around 5-20% of the total CO2 emissions of a refinery. CO2 capture from natural-gas based hydrogen production has been demonstrated on a commercial scale, but not yet been applied to a refinery.

Relevance for Net Zero

Retrofitting with post-combustion capture is an opportunity to address CO2 emissions in existing refineries, but also depends on available space and access to CO2 storage or potential CO2 users; the RECAP project estimated the avoidance costs of CO2 from different refinery configurations and capture cases to be in the range of USD 160-210/tCO2.

Key Countries


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