利用液態氫源與雙功能鈀鈷的碳球在常溫常壓下製備2,5-二甲基呋喃

Novel Synthesis of 2,5-Dimethylfuran under Ambient Conditions Utilizing ZIF-67 Derived Bifunctional Carbon Supported Palladium and Cobalt with Aqueous Hydrogen Source

吳霈恩(Pei-En Wu)

指導教授 ： 吳嘉文

國立臺灣大學/工學院/化學工程學研究所/碩士(2014年)

https://doi.org/10.6342/NTU.2014.01694

摘要

由於能源的需求越來越大，加上石油的供應終將面臨短缺，有再生能力並且環保的生質能源因此受到矚目。其中，由木質纖維素所製備的2,5-二甲基呋喃因性質接近汽油，因此可取代汽油或成為汽油添加物。藉由氫化可以將5-甲基糠醛轉換成2,5-二甲基呋喃。氫化反應大多需要高溫達成活化能與通入高壓氫氣提高氫氣於溶劑中的溶解值。在此，我們提供一反應系統在室溫與室壓下即能製備2,5-二甲基呋喃。
此實驗由ZIF-67(Zeolitic Imidazolate Framework)合成的雙功能鈀鈷奈米孔洞碳材，鈀能提供氫化反應所需的金屬表面並利用鈷催化氫硼化鈉可於液態產氫。鈀與鈷在同一材料上的協同作用使得我們可以在室溫與室壓下得到83.07% 產率的2,5-二甲基呋喃。

關鍵字

生質能源 ； 2,5-二甲基呋喃 ； ZIF-67 ； 氫化反應 ； 雙官能化

並列摘要

The ever increasing demand for energy combined with the diminishing supply of fossil fuel signals the need to search for an alternative energy source. 2,5-Dimethylfuran (DMF) is a green and renewable fuel due to its lignocellulosic origin. The production of DMF results from the hydrogenation and hydrogenolysis of 5-Hydroxymethylfurfural (HMF). Hydrogenation processes often require purging the system with high pressure hydrogen to increase the solubility of hydrogen in the solvent, all the while using high temperatures for the hydrogenation reactions to occur. Herein, we proposed a novel method in which DMF could be synthesized in high yields under atmospheric pressure and room temperature.
A bifunctional Pd/CoNC material of ZIF-67 descent was synthesized in which Palladium provides a hydrogenation surface and Cobalt catalyzes the production of hydrogen from an aqueous source, Sodium Borohydride (NaBH4). The synergetic effects of Cobalt and Palladium on the same support helped achieve 83.07% DMF yields.

並列關鍵字

Biomass ； 2,5-Dimethylfuran ； ZIF-67 ； hydrogenation ； bifunctional

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