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首页> 外文期刊>Journal of Materials Science >Water intrusion-extrusion in silicalite-1 with tunable mesoporosity prepared in fluoride medium
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Water intrusion-extrusion in silicalite-1 with tunable mesoporosity prepared in fluoride medium

机译:在氟化介质中制备的具有可调介孔率的silicalite-1中的注水挤出

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摘要

Experimental water intrusion–extrusion isotherms were performed at room temperature on mesoporous silicalite-1 samples, prepared in fluoride medium and using carbon black or surfactant, [3-(trimethoxysilyl)propyl]hexadecyldimethylammonium chloride, as porogen and templating agents, respectively. The increase of the porous volume observed for the silicalite-1 sample prepared in the presence of carbon black leads to an increase of the water intruded volume at high pressure (100 MPa). Therefore, the amount of stored energy in this water–zeolite system is greater than for a conventional “water–silicalite-1” system. However, the fluoride route appears to be a less effective method than the alkaline route.
机译:在室温下,对中孔silicalite-1样品进行了水浸-挤出等温线试验,样品在氟化物介质中制备,并分别使用炭黑或表面活性剂氯化[3-(三甲氧基甲硅烷基)丙基]十六烷基二甲基铵作为成孔剂和模板剂。对于在炭黑存在下制备的silicalite-1样品观察到的多孔体积的增加导致在高压(100 MPa)下水侵入体积的增加。因此,该水-沸石系统中的储能量比常规的“水-silicalite-1”系统要大。但是,氟化物途径似乎不如碱性途径有效。

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