Reclaiming of monoethanolamine (MEA) used in post-combustion CO2-capture with electrodialysis

Авторы: Volkov A., Vasilevsky V., Bazhenov S., Volkov V., Rieder A., Unterberger S., Schallert B.
Сборник: Energy Procedia
Серия: 7th Trondheim Conference on CO2 Capture, Transport and Storage, TCCS-7, June 5-6 2013, Trondheim, Norway
Том: 51
Год издания: 2014
Место издания: Elsevier B.V Netherlands
Первая страница: 148
Последняя страница: 153
DOI: 10.1016/j.egypro.2014.07.016
Аннотация: Heat-stable salts (HSS) in amine-based solvents may lead to a long-term performance impairment of post-combustion CO2- capture process system. They can cause a loss of solvent capacity, corrosion, heat exchanger fouling, increased foaming or flooding, etc. The application of electrodialysis (ED) can be a possible cost effective technique for removal of HSS from degraded amine solutions. The paper presents the results of lab-scale ED experiments on HSS removal from synthetic degraded MEA solutions with different HSS content and CO2-loadings. The efficiency of ED-process for reclaiming of MEA solvent is shown. The influence of solvent CO2-loading on the specific energy consumption of ED-process is presented. The lab-scale data have been used for design and manufacturing of a pilot ED plant. Within the OCTAVIUS project it has been planned to test the ED-pilot plant at the EnBW post-combustion CO2 capture pilot plant.
Добавил в систему: Василевский Владимир Павлович

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