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CPOTE2020 logo
6th International Conference on
Contemporary Problems of Thermal Engineering
Online | 21-24 September 2020

Abstract CPOTE2020-1281-A

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Thermo-ecological cost assessment of the carbon dioxide removal technologies

Paweł GŁADYSZ, AGH University of Science and Technology, Poland
Łukasz BARTELA, Silesian University of Technology, Poland
Maciej HACAGA, War Studies University, Poland

Combining the biomass-fired power generation with the CO2 capture and storage lead to the so-called negative CO2 emissions. Negative CO2 emissions can already be obtained, when the coal is being co-fired with biomass in a power plant with CCS at the share of 80% to 20%, respectively. The need of bioenergy with CO2 capture and storage (BECCS) have been identified as one of the key technologies to keep global warming below 2°C, as this is the only large-scale technology that can remove the CO2 from the atmosphere. According to the BECCS definition capturing and storing the CO2 originating from biomass, and as the biomass binds carbon from the atmosphere as it grows, will results in net removal of CO2 from the atmosphere. Other option for the CO2 removal from the atmosphere is the direct air capture. The idea of the net carbon balance for different system (including bioenergy with CCS and direct air capture) have been presented in literature. The goal of the paper is to provide methodology and assess the carbon dioxide removal technologies from the environmental point of view, taking into account the depletion of non-renewable natural resources. Thus, for this purpose the Thermo-Ecological Cost (TEC) analysis has been adopted and performed. The data concerning the investigated energy systems or specific processes were obtained from the Life Cycle Inventories used in LCA studies. In addition to the operational part, also other phases of the whole life cycle were included in the TEC balance, which concluded to be important in case of renewable energy based systems.

Keywords: Carbon dioxide removal, Thermo-ecological cost, CO2 capture and storage, Bioenergy, Direct air capture
Acknowledgment: This work has been developed thanks to the support from the National Science Centre, Poland, within the grant 2017/24/C/ST8/00204.