journal article·2016-03-09

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

Suji Kim, Sang Goo Jeon, Ki Bong Lee

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Abstract

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 °C and 1 atm CO2.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Carbon Dioxide Capture Technologies · Layered Double Hydroxides Synthesis and Applications · Adsorption and Cooling Systems

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 136-713, Republic of Korea

Climate Change Research Division, Korea Institute of Energy Research, 152 Gajeong-ro, Yuseong-gu, Daejeon 305-343, Republic of Korea

Funding

Korea Research Council of Fundamental Science and Technology · Ministry of Trade, Industry and Energy

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