LAPSE:2019.1326
Published Article
LAPSE:2019.1326
Siderite Formation by Mechanochemical and High Pressure−High Temperature Processes for CO2 Capture Using Iron Ore as the Initial Sorbent
Eduin Yesid Mora Mendoza, Armando Sarmiento Santos, Enrique Vera López, Vadym Drozd, Andriy Durygin, Jiuhua Chen, Surendra K. Saxena
December 10, 2019
Iron ore was studied as a CO2 absorbent. Carbonation was carried out by mechanochemical and high temperature−high pressure (HTHP) reactions. Kinetics of the carbonation reactions was studied for the two methods. In the mechanochemical process, it was analyzed as a function of the CO2 pressure and the rotation speed of the planetary ball mill, while in the HTHP process, the kinetics was studied as a function of pressure and temperature. The highest CO2 capture capacities achieved were 3.7341 mmol of CO2/g of sorbent in ball milling (30 bar of CO2 pressure, 400 rpm, 20 h) and 5.4392 mmol of CO2/g of absorbent in HTHP (50 bar of CO2 pressure, 100 °C and 4 h). To overcome the kinetics limitations, water was introduced to all carbonation experiments. The calcination reactions were studied in Argon atmosphere using thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) analysis. Siderite can be decomposed at the same temperature range (100 °C to 420 °C) for the samples produced by both methods. This range reaches higher temperatures compared with pure iron oxides due to decomposition temperature increase with decreasing purity. Calcination reactions yield magnetite and carbon. A comparison of recyclability (use of the same material in several cycles of carbonation−calcination), kinetics, spent energy, and the amounts of initial material needed to capture 1 ton of CO2, revealed the advantages of the mechanochemical process compared with HTHP.
Keywords
calcination, Carbon Dioxide Capture, carbonation, carbonation kinetics, iron ore, mechanochemical reactions, recyclability
Suggested Citation
Mora Mendoza EY, Sarmiento Santos A, Vera López E, Drozd V, Durygin A, Chen J, Saxena SK. Siderite Formation by Mechanochemical and High Pressure−High Temperature Processes for CO2 Capture Using Iron Ore as the Initial Sorbent. (2019). LAPSE:2019.1326
Author Affiliations
Mora Mendoza EY: Grupo de Superficies, Electroquímica y Corrosión, GSEC, Instituto para la Investigación e Innovación en Ciencia y Tecnología de Materiales, INCITEMA, Universidad Pedagógica y Tecnológica de Colombia UPTC, Tunja 150008, Colombia; Center for the Stud
Sarmiento Santos A: Grupo de Superficies, Electroquímica y Corrosión, GSEC, Instituto para la Investigación e Innovación en Ciencia y Tecnología de Materiales, INCITEMA, Universidad Pedagógica y Tecnológica de Colombia UPTC, Tunja 150008, Colombia
Vera López E: Grupo de Superficies, Electroquímica y Corrosión, GSEC, Instituto para la Investigación e Innovación en Ciencia y Tecnología de Materiales, INCITEMA, Universidad Pedagógica y Tecnológica de Colombia UPTC, Tunja 150008, Colombia
Drozd V: Center for the Study of Matter at Extreme Conditions, Department of Mechanical and Materials Engineering, College of Engineering and Computing, Florida International University, Miami, FL 33199, USA
Durygin A: Center for the Study of Matter at Extreme Conditions, Department of Mechanical and Materials Engineering, College of Engineering and Computing, Florida International University, Miami, FL 33199, USA [ORCID]
Chen J: Center for the Study of Matter at Extreme Conditions, Department of Mechanical and Materials Engineering, College of Engineering and Computing, Florida International University, Miami, FL 33199, USA
Saxena SK: Center for the Study of Matter at Extreme Conditions, Department of Mechanical and Materials Engineering, College of Engineering and Computing, Florida International University, Miami, FL 33199, USA
Journal Name
Processes
Volume
7
Issue
10
Article Number
E735
Year
2019
Publication Date
2019-10-14
Published Version
ISSN
2227-9717
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PII: pr7100735, Publication Type: Journal Article
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LAPSE:2019.1326
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doi:10.3390/pr7100735
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Dec 10, 2019
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