No abstract

Abstract. The growing concern over the severe impact on the global climate change of the buildup of CO 2 in the atmosphere has resulted in the quest to capture or avoid the release of CO 2 at large point sources into Nigeria environment. The study uses data obtained for various cement plants on design capacity from cement plant production database, Nigeria. The data were analyzed using the "Generic CO 2 Capture Retrofit" spreadsheet developed by SFA Pacific Inc. The results of the analysis obtained from the models shows that the ranges of the costs of CO 2 captured and avoided per tonne CO 2 were $27-47 and $34-60 respectively. With these values on a high side, will help the cement plants to decide whether to adopt the Carbon Credit option or consider Carbon Capture and Sequestration (CCS). The demand for fossil energy in most of the cement plant appears to be one of the most significant issues to tackle if the problem of climate change mitigation in Nigeria has to be given serious attention. In light of the forgoing high costs of CO 2 capture and avoided estimate for the cement plants, we recommend that Nigeria should invest in energy efficient technologies and should utilize less usage of fossil fuels.