期刊
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
卷 6, 期 -, 页码 246-252出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijggc.2011.10.014
关键词
Carbon dioxide capture; Diethanolamine; Ionic liquid; Emulsion; Carbamate crystal; Corrosion
类别
资金
- Canada Research Chair Green processes for cleaner and sustainable energy
- Centre quebecois sur les materiaux fonctionnels (CQMF)
- Natural Sciences and Engineering Research Council (NSERC)
By making use of alkanolamine/room-temperature ionic liquid emulsions, it has been found practicable to capture carbon dioxide up to stoichiometric maximum (0.5 mole of CO2 per mole of diethanolamine) through crystallization of CO2-captured product (DEA-carbamate) by avoiding equilibrium limitations. This enabled easy separation of a reasonably smaller (solid carbamate) volume promising cost effective regeneration. The scanning electron microscopy (SEM) and electrochemical corrosion studies further revealed that inclusion of ionic liquid helped suppress corrosion to an extent as low as 0.31 milli-inch per year. (C) 2011 Elsevier Ltd. All rights reserved.
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