High-Temperature CO2 Sorption on Hydrotalcite Having a High Mg/Al Molar Ratio

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101
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109

초록

Hydrotalcites having a Mg/Al molar ratio between 3 and 30 have been synthesized as promising high temperature CO2 sorbents. The existence of NaNO3 in the hydrotalcite structure, which originates from excess magnesium nitrate in the precursor, markedly increases CO2 sorption uptake by hydrotalcite up to the record high value of 9.27 mol kg(-1) at 240 degrees C and 1 atm CO2.

키워드

hydrotalcite; sorbent; CO2 sorption; high temperature; Mg/Al ratio; LAYERED DOUBLE HYDROXIDES; CARBON-DIOXIDE; SOLID SORBENTS; CAPTURE; ADSORPTION; CHEMISORPTION; ADSORBENTS
제목
High-Temperature CO2 Sorption on Hydrotalcite Having a High Mg/Al Molar Ratio
저자
Kim, Suji; Jeon, Sang Goo; Lee, Ki Bong
DOI
10.1021/acsami.5b12598
발행일
2016-03-09
유형
Article
저널명
ACS Applied Materials & Interfaces
권
8
호
9
페이지
5763 ~ 5767