CO₂ CAPTURE FROM FLUE GASES OF GAS TURBINE POWER PLANTS

Carbon neutrality is the key goal of the new Climate Doctrine of the Russian Federation, approved by Presidential Decree. According to the Rosneft-2030 strategy, achieving carbon neutrality is also one of the most important goals of Rosneft.In continuation of the comprehensive work on the study and assessment of the fundamental possibility of introducing methods and processes of capture and subsequent utilization of carbon dioxide in industry, key points of modeling a carbon dioxide capture unit from flue gases of gas turbine power plants (gas turbine power plants) based on current technologies are considered, followed by an assessment of technological and economic risks.The study was carried out in several stages:— determination of flue gas composition in gas turbine engines by calculation;— selection of recovery technology depending on flue gas characteristics;— analysis of operating carbon dioxide capture units;— development of design and experimental model of carbon dioxide capture and transportation plant;— estimation of prospective volumes of captured carbon dioxide;— development of a cost model for a carbon dioxide capture and transportation plant;— development of methodological approach to estimation of capital and operating costs, as well as to technical and economic assessment of the project as a whole;— assessment of technological and economic risks.These studies yielded the following results:— commercially attractive and commercially tested technologies have been identified and studied;— research work was carried to confirm the operability and feasibility of the project under consideration with a view to its further implementation;— based on the results of economic analysis, it was determined that the technology for capturing and storing carbon dioxide has a significant capital intensity, and as a result, to confirm the economic efficiency of the project, one of the following conditions must be met: attracting an external source of cost coverage or introducing quotas or fines for emissions that stimulate the introduction of technologies in domestic companies.