Biomass Integrated Combined Power Plant with Post Combustion Co2 Capture – Performance Study by ASPEN Plus®

Energy is one of the basic needs modern civilizations. Fossil fuels presently are the major primary energy source. However, it contributes maximum to the climate change problem also. With suitable technology greenhouse gas emission may be reduced. Employing CO2 capture process for energy efficient system using CO2 neutral fuels is one possible solution in this context. In this paper a biomass based combined power plant with CO2 capture has been proposed. Thermodynamic modelling for the detail process of this plant has been simulated by using ASPEN Plus®. Results show that post- combustion CO2 capture process has potential in CO2 negative energy system. Artificial thermal efficiency is also calculated and its variation with carbon capture efficiency is studied. The degree of CO2 capture has to be decided on the basis of overall performance of the plant specifically beyond certain value as CO2 capture efficiency is quit flexible for a net-CO2 negative emission plant.