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Capturing CO 2 Emissions in the Iron Industries using a Magnetite–Iron Mixture
Author(s) -
Kumar Sushant,
Drozd Vadym,
Durygin Andriy,
Saxena Surendra K.
Publication year - 2016
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.201500451
Subject(s) - magnetite , siderite , carbonation , sorbent , bar (unit) , chemical engineering , chemistry , materials science , metallurgy , adsorption , carbonate , geology , engineering , oceanography
We examined a mixture of magnetite (Fe 3 O 4 ) and iron (Fe) as a possible CO 2 sorbent easily applicable for any ironmaking industries. The mixture reacts with CO 2 to form siderite (FeCO 3 ). Our experimental results illustrate a capture capacity of 7.98 mmolCO2 g - 1sorbentfor the reactant mixture at 200 °C and 10 bar CO 2 pressure in 3 h. The results also show that the kinetics of the carbonation reaction vastly depend on the applied temperature and CO 2 pressure. The magnetite was completely regenerated by heating siderite at 350 °C under air flow. The proposed set of reactions can be integrated at any ironmaking sites and can provide a potential solution for CO 2 capture in the future.