Enhanced CO Sequestration Strategy Using CO Capturing Material Synthesized from Spent Railway Tie Concrete
Korean Journal of Chemical Engineering, ISSN: 1975-7220, Vol: 42, Issue: 1, Page: 89-98
2025
- 5Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Captures5
- Readers5
Article Description
Lots of railway tie concrete waste are produced which needs appropriate treatment for disposal. This study introduces a novel strategy for converting railway tie concrete waste into a highly efficient CO capturing material (RTC). To enhance the CO capturing capabilities, a CaCl solution was employed as a modifying agent (Ca-RTC). The introduction of a 0.001 M CaCl solution increased the Ca content in Ca-RTC by only 0.08% compared to unmodified RTC, yet it significantly enhanced porosity and surface area. This modification led to an 11.57% of excellent CO capturing ability, which is 2.5 times greater than that of the original RTC. Even though the Ca content is similar in RTC and Ca-RTC, the significant increase in BET surface area led to a notable improvement in CO capturing ability. However, increasing the CaCl concentration beyond 0.005 M resulted in a reduction of CO capturing ability, attributed to the inhibitory effect of Cl ions. The kinetics of the CO capturing reaction and the impact of CO pressure on Ca-RTC were systematically investigated. Finally, the CO capturing mechanism of Ca-RTC was elucidated.
Bibliographic Details
Springer Science and Business Media LLC
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