One-pot synthesis of the amine-modified meso-structured monolith CO2 adsorbent
作者： Jing Jia Wen , Fang Na Gu , Feng Wei , Yu Zhou , Wei Gang Lin
DOI: 10.1039/B920027D
关键词: Adsorption 、 Composite material 、 One-pot synthesis 、 Monolith 、 Co2 adsorption 、 Amine gas treating 、 Materials science 、 Silicate 、 Coating 、 Chemical engineering
摘要: A new attempt to synthesize the amine-modified meso-structured monolith CO2 adsorbent in a one-pot process is reported here for first time, which tetraethylenepentamine (TEPA) utilized not only as modifier coating onto resulting monolith, but also additive controlling generation of micropores silica wall. The amount TEPA has multiple influences on synthesis, affecting hydrolysis-condensation silicate precursor, impacting textural properties skeleton and determining final adsorption ability. Apart from advantage saving time energy their these containing monoliths possess considerable mechanistic strength bearing pressure 64 N cm−2, exhibiting high capacity up 171 mg g−1 adsorption.
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