Rapid and HF-free synthesis of MIL-100(Cr) via steam-assisted method

Rapid and HF-free synthesis of MIL-100(Cr) via steam-assisted method
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通过蒸汽辅助法快速、无氢氟酸合成 MIL-100(Cr)

DOI:
10.1016/j.matlet.2019.06.003
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发表时间:
2019-10
期刊:
影响因子:
3
通讯作者:
Li Jinping
Li Jinping
中科院分区:
材料科学3区
文献类型:
--
作者:
Wang Chuang;Zhang Feifei;Yang Jiangfeng;Li Jinping

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MIL-100(Cr)作为一种典型的金属有机骨架材料,在物理吸附脱除甲烷中的氮气方面具有很大的应用潜力,但目前常用的制备方法费时(96 h)且对环境不友好(需要氢氟酸)。我们开发了一种新的合成方法,该方法能够通过水蒸气辅助转化制备MIL-100(Cr),并且避免了氢氟酸的使用,反应时间短(9 h),产率高(96%),甲烷合成氮气的选择性较高。显然,这种方法是有利的,适合于绿色大规模生产MIL-100(Cr)。
MIL-100(Cr), as a typical metal organic framework (MOF) possesses a great potential application for N2removal from CH4by physical adsorption, but the commonly used preparation process at present is time-consuming (96 h) and environmentally unfriendly (HF-needed). We developed a novel synthesis method which is able to prepare MIL-100(Cr)viasteam-assisted conversion and avoids the usage of HF with a curtate reaction time (9 h) and excellent yield (96%), a higher selectivity of N2from CH4. Obviously, this method is advantageous and suitable for green large-scale production of MIL-100 (Cr).
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