MINERAL TRAPPING OF CO2 VIA OIL SHALE ASH AQUEOUS CARBONATION: CONTROLLING MECHANISM OF PROCESS RATE AND DEVELOPMENT OF CONTINUOUS-FLOW REACTOR SYSTEM; pp. 40–58
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Ash containing considerable amounts of free lime as the most active compoÂnent requires stabilization to assure safe landfilling. Using CO2 from flue gases as a neutralizing agent, also the emission of CO2 is diminished. The most extensive effect could be achieved by treating ash-water suspensions with CO2-containÂing gas. As even minute amounts of extraneous substances present in water influence the extent and rate of lime solubility in water, the behavior of lime as the key component of ash in various conditions was studied and the mechanism of process deceleration was proposed. As the next step, a laboratory-scale continuous-flow reactor system for aqueous carbonaÂtion of oil shale ash and main considerations for industrial pilot-scale plant design were developed.
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Intensive chemical reactions like slaking and carbonation of lime trigger reaction heat and internal expansive forces cause ash particles to fracture and disintegrate, creating more favorable conditions for deeper carbonation of ash (including carbonation of Ca-Mg-silicates).
“Intensive chemical reactions like slaking and carbonation of lime trigger reaction heat and the internal expansive forces cause ash particles to fracture and disintegrate [21], creating thereby more favorable conditions for deeper carbonation of ash (including carbonation of Ca-Mg-silicates).”
From The CO2-binding by Ca-Mg-silicates in direct aqueous carbonation of oil shale ash and steel slag (2011) · cites this paper as [21]
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Cites
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Self-citation
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Cited by
Sorted by citations
A review of mineral carbonation technologies to sequester CO <sub>2</sub>
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The CO2-binding by Ca-Mg-silicates in direct aqueous carbonation of oil shale ash and steel slag
Uibu, M., Kuusik, R., Andreas, L., & Kirsimäe, K. (2011) · Energy Procedia · doi:10.1016/j.egypro.2011.01.138 · Cited by 104 · see citing works
Self-citation
- Authors
- UIBU, M., & KUUSIK, R.
- Affiliations
- Tallinn University of Technology (EE)
- ORCID
- Venue
- Oil Shale
- Publisher
- Estonian Academy Publishers
- Published
- 2009-03-02
- Volume
- 26
- Issue
- 1
- Pages
- 40-58
- ISSN
- 0208-189X (ISSN-L)
- OpenAlex
- W2135349424
- Cited by
- 37
- References
- 20
- Citations by year
- 2026: 1 · 2025: 4 · 2023: 1 · 2022: 2 · 2021: 2 · 2020: 2 · 2019: 2 · 2018: 1 · 2017: 2 · 2016: 2 · 2015: 3 · 2014: 2 · 2013: 6 · 2012: 2
- FWCI
- 2.10
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Oil Shale (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Topics
- Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
- Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
- Physical Sciences › Engineering › Civil and Structural Engineering › Concrete and Cement Materials Research
- Keywords
- CO2 mineralization, oil shale ash, aqueous carbonation, free lime, flue gas CO2, ash stabilization, continuous flow reactor, CO2 emission reduction
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