Acquiring an Efficient Warm-CO2 Sorbent from Advanced Pyrolysis of Magnesium Oxalate
Acquiring an Efficient Warm-CO2 Sorbent from Advanced Pyrolysis of Magnesium Oxalate
复制标题
通过草酸镁的高级热解获得高效的温二氧化碳吸附剂
DOI:
10.1002/cnma.201700183
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发表时间:
2017-11
期刊:
影响因子:
3.8
通讯作者:
Zhu Jian Hua
中科院分区:
文献类型:
--
作者:
Li Yan Yan;Sun Xiao Dan;Dong Xin Yu Ming;Wang Ying;Zhu Jian Hua
For the first time, porous MgO with a Brunauer–Emmett–Teller (BET) surface area over 200 m2g−1can be simply obtained from pyrolysis of common magnesium oxalate without any solvent or additive. The obtained porous MgO had a large surface area of 278.5 m2g−1and captured 30.8 mg g−1of CO2in the instantaneous adsorption at 473 K, comparable with many MgO‐based sorbents prepared through complex procedures. Use of a U‐pipe furnace along with the specific “throughout” sweeping mode of nitrogen carrier gas enable this efficient warm‐CO2sorbent to be fabricated in a simple way. Factors including contacting modes between precursor salt and flowing gas, flow rate, type of gas and salt were carefully studied, and related to the pore structure and adsorption character of the MgO samples. Apart from the capability of trapping CO2mixed with SO2and NO at 473 K, the MgO sample showed a high ratio of exposed strong basic sites (70.5 %), which provides a useful solid strong base for control of CO2in flue gas.
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影响因子:
--
作者:
Bian, Shao-Wei;Baltrusaitis, Jonas;Grassian, Vicki H.
通讯作者:
Grassian, Vicki H.
DOI:
10.1002/cben.201500013
发表时间:
2016-04
期刊:
--
影响因子:
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DOI:
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2010-01-01
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