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One way of contributing to combat the climate change is to capture CO2 from fossil fuel flue gases. Membranes will clearly represent one of the emerging technologies to be used for CO2 capture. In this work, a membrane pilot at the Norcem Cement factory in Norway is reported for CO2 capture from a high CO2 content (17 mol. % wet base) flue gas. The polyvinylamine (PVAm) based hollow fiber fixed-site-carrier (FSC) membrane modules (up to 18m2) was installed at the site. The membrane modules were received as commercial modules from Air Products (US-Norway), and were coated in-situ at NTNU in Norway. The testing results indicated a 70 mol.% CO2 purity can be easily achieved in single stage. The membrane also presented a good stability by exposure to high concentration SO2 and NOX for a long period without significant performance change. Improved design for both process and module will be needed for further scaling up of the membrane CO2 capture process. Based on the test results, a techno-economic feasibility analysis of CO2 capture from was conducted, using process simulation and cost estimation.
Hägg et al. (Sat,) studied this question.