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  • Accelerated carbonation of ...
    Martín, Domingo; Aparicio, Patricia; Galán, Emilio

    Construction & building materials, 08/2018, Letnik: 181
    Journal Article

    •Using ceramic bricks for the mineral carbonation as alternative of CCS technologies.•Accelerated mineral carbonation under surface conditions in a short time.•Partial destruction of calcium silicate and anhydrite and calcite precipitation. This research explores the possibility of CO2 sequestration in ceramic building materials, namely, bricks. The bricks used are rich in calcium and magnesium. The reaction with CO2 was carried out in a sealed reactor with a 0.3 L volume in a CO2 atmosphere at a pressure of 10 bars. The solid-water ratio was 4:1, and the reaction time ranged from 24 h to 30 days. The results show that the carbonation was proportional to the reaction time. These results open new future possibilities of using brick waste to capture CO2 at ambient temperatures and low pressures.