Jae Gu Jung, Ji Soo Roh, Jong Min Roh, Ho Bum Park, Si-Hyun Do
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引用次数: 0
Abstract
This study investigates the identification of multi-metal precipitate (MMP) synthesized by the co-precipitation of multi-metal cations (Ca2+, Mg2+, Fe2+, and Mn2+) using NaOH in the atmospheric CO2 and MMP-suspended solution with CO2 of 1 bar at 25 °C for 2 h (CO2-MMP) to evaluate the interaction with CO2. The MMP was identified as a complex composite consisting of layered double hydroxide (LDH), metal hydroxide, metal oxides, and carbonates as minor. The CO2-MMP shows the formation of carbonized minerals and dissolved LDH and Mg(OH)2 due to reduced pH. The CO2 uptake by CO2-MMP is as much as ~ 0.029 mg/mg, indicating the involvement of Ca from both Mg-calcite/aragonite and CaFe-LDH in carbonation. Moreover, the CO2 reaction improved the BET surface area of MMP by 150%, which indicates its potential for efficient CO2 interaction. This study provides valuable insights into the precipitation of multi-metal cations and their interaction with CO2.
期刊介绍:
Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome.
• Novel materials discovery
• Electronic, photonic and magnetic materials
• Energy Conversion and storage materials
• New thermal and structural materials
• Soft materials
• Biomaterials and related topics
• Nanoscale science and technology
• Advances in materials characterization methods and techniques
• Computational materials science, modeling and theory