Accelerated Carbonation of Recycled Aggregates Using the Pressurized Supercritical Carbon Dioxide Sparging Process
Abstract
:1. Introduction
2. Material and Experimental Methods
2.1. Materials
2.2. Accelerated Carbonation Using Pressurized scCO2 Sparging
2.3. Extraction Batch Experiment for Decrease of pH by Carbonation
2.4. Continuous Column Experiment
3. Results and Discussion
3.1. Accelerated Carbonation Using Pressurized scCO2 Sparging
3.2. Batch Extraction Experiment for pH Neutralization by the Carbonation Process
3.3. Continuous Column Experiment
3.4. Role of Carbonation in the Lowering of pH in Water Contacting scCO2-Treated Aggregate
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Park, J.; Lee, J.; Chung, C.-W.; Wang, S.; Lee, M. Accelerated Carbonation of Recycled Aggregates Using the Pressurized Supercritical Carbon Dioxide Sparging Process. Minerals 2020, 10, 486. https://doi.org/10.3390/min10060486
Park J, Lee J, Chung C-W, Wang S, Lee M. Accelerated Carbonation of Recycled Aggregates Using the Pressurized Supercritical Carbon Dioxide Sparging Process. Minerals. 2020; 10(6):486. https://doi.org/10.3390/min10060486
Chicago/Turabian StylePark, Jinyoung, Jinkyun Lee, Chul-Woo Chung, Sookyun Wang, and Minhee Lee. 2020. "Accelerated Carbonation of Recycled Aggregates Using the Pressurized Supercritical Carbon Dioxide Sparging Process" Minerals 10, no. 6: 486. https://doi.org/10.3390/min10060486