文献类型：期刊文献

英文题名：N-doped carbon supported Pt catalyst for base-free oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid

作者：Han, Xuewang[1];Li, Chaoqun[1];Guo, Yong[2];Liu, Xiaohui[1];Zhang, Yongguang[2];Wang, Yanqin[1]

机构：[1]East China Univ Sci & Technol, Shanghai Key Lab Funct Mat Chem, Res Inst Ind Catalysis, Meilong Rd 130, Shanghai 200237, Peoples R China;[2]Sinopec, RIPP, 18 Xueyuan Rd 18,POB 914-12, Beijing 100083, Peoples R China

年份：2016

卷号：526

起止页码：1

外文期刊名：APPLIED CATALYSIS A-GENERAL

收录：;EI(收录号：20163202684568);WOS:【SCI-EXPANDED(收录号:WOS:000384865600001)】；

基金：This project was supported financially by the National Natural Science Foundation of China (No. 91545103 and 21273071), the Science and Technology Commission of Shanghai Municipality (13JC1401902 and 10dz2220500), and Sinopec.

语种：英文

外文关键词：N-doped carbon; Base-free oxidation; 2,5-Furandicarboxylic acid

摘要：A new kind of N-doped carbon supported Pt catalyst (Pt/C) has been prepared for the selective oxidation of 5-Hydroxymethylfurfural (HMF) to 2,5-Furandicarboxylic Acid (FDCA) in base-free conditions. The catalyst (Pt/C-EDA-x) prepared by using ethylenediamine (EDA) as nitrogen source showed higher activity than those prepared by N,N-dimethylaniline (DMA), ammonia (NH3) or acetonitrile (ACN) as nitrogen sources. The Pt/C-EDA-4.1 catalyst showed the highest activity in the oxidation of HMF to FDCA and as high as 96.0% FDCA was obtained under optimal reaction conditions (110 degrees C, 1.0 MPa O-2, 12 h). The samples were characterized by XRD, XPS, CO2-TPD, TEM, SEM, and elemental analysis. XPS results showed that the pyridine-type nitrogen (N-6) played a key role in the selective oxidation of HMF, which can be attributed to the basicity of N-6 site. CO2-TPD measurements also showed that the involving of N elements in catalyst preparation introduced a new kind of medium basic site on the support surface. The influence of reaction time, catalyst dosage, and temperature on the HMF oxidation to FDCA catalyzed by Pt/C-EDA-4.1 was studied. (C) 2016 Elsevier B.V. All rights reserved.