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CO2 sequestration by aqueous mineral carbonation of limestone in a supercritical reactor

机译:在超临界反应器中通过石灰石的含水矿物碳酸化来隔离CO2

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Although mineral carbonation is a permanent and safe option for CO2 sequestration, it is unfeasible because of its slow reaction rate. Hence, it is necessary to identify a more effective process. The lab-scale study reported here was used to improve the carbonation efficiency using the pressure, temperature, time, and liquid-to-solid ratio variables. CO2 uptake is calculated according to the carbon content of a product by elemental analysis. These results indicate that the carbonation conversion has been enhanced by raising temperature into the range in which H2O exists in the liquid phase and that high pressure had no clear effect. (C) 2014 Published by Elsevier B.V. on behalf of The Korean Society of Industrial and Engineering Chemistry.
机译:尽管矿物碳酸化是隔离二氧化碳的永久性和安全性选择,但由于其反应速度慢,因此不可行。因此,有必要确定一个更有效的过程。此处报告的实验室规模研究用于通过压力,温度,时间和液固比变量提高碳酸化效率。通过元素分析根据产品的碳含量计算CO2吸收量。这些结果表明,通过将温度升高到液相中存在H 2 O的范围内,碳化转化率得到了提高,并且高压没有明显作用。 (C)2014由Elsevier B.V.代表韩国工业与工程化学学会出版。

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