双氰胺对Pd@CN催化剂制备的影响任务书
2020-06-09 22:42:12
1. 毕业设计（论文）的内容和要求
环己酮是合成尼龙6及尼龙66的重要中间体，同时也是生产己内酰胺、己二酸、香料等化工产品的原料。在我国，环己酮的应用已经非常广泛。
有研究表明，Pd@CN催化剂中CN载体可以起到碱性载体的作用。主要的反应过程是：苯酚加氢主要发生在CN载体以及Pd颗粒表面，在这里，N材料提供路易斯碱位，苯酚可以与催化剂表面的二维π键形成相互作用，即O-H#8230;N或O-H#8230;π，可以起到固定苯酚的作用，Pd@CN催化剂同样具有很高的反应活性及选择性，并且稳定较好。由于CN材料在苯酚加氢催化方面的优势，关于合成CN材料的新方法也成为人们研究的热点。
本课题重点研究以ZIF-8材料作为前驱体，通过一步煅烧法制备CN材料，然后负载活性组分Pd制备负载型Pd@CN基催化剂，并通过表征手段对所制备的催化剂进行催化性能的探索。2. 参考文献
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[1] Z.L. Li, J.H. Liu, C.G. Xia, F.W. Li, Nitrogen-functionalized ordered mesoporous carbons as multifunctional supports of ultrasmall Pd nanoparticles for hydrogenation of phenol. ACS Catal. 3 (2013) 2440-2448. [2] H. Jiang, Z.Y. Qu, Y. Li, J. Huang, R.Z. Chen, W.H. Xing, One-step semi-continuous cyclohexanone production via hydrogenation of phenol in a submerged ceramic membrane reactor. Chem. Eur. J. 284 (2016) 724-732. [3] H. Li, J. Liu, S.H. Xie, M.H. Qiao, W.L. Dai, Y.F. Lu, H.X. Li, Vesicle-assisted assembly of mesoporous Ce-doped Pd nanospheres with a hollow chamber and enhanced catalytic efficiency. Adv. Funct. Mater. 18 (2008) 3235-3241. [4] D.Z. Shen, L.Q. Kong, X.L. Ma, X.X. Wang, H.H. Wang, Q. Kang, Monitor the adsorption of bromine vapor on zeolitic-imidazolate framework-8 film by an electrodeless quartz crystal microbalance in overtone. Int. J. Electrochem. Sc. 11 (2016) 3664-3679. [5] P. Pachfule, B.P. Biswal, R. Banerjee, Control of porosity by using isoreticular zeolitic imidazolate frameworks (IRZIFs) as a template for porous carbon synthesis. Chem. Eur. J. 18 (2012) 11399-11408. [6] W. Zhong, H.L. Liu, C.H. Bai, S.J. Liao, Y.W. Li, Base-free oxidation of alcohols to esters at room temperature and atmospheric conditions using nanoscale Co-based catalysts. ACS Catal. 5 (2015) 1850-1856. [7] M. Jiang, X.P. Cao, D.D. Zhu, Y.X. Duan, J.M. Zhang, Hierarchically porous N-doped carbon derived from ZIF-8 nanocomposites for electrochemical applications. Electrochim. Acta 196 (2016) 699-707. [8] A. Aijaz, N. Fujiwara, Q. Xu, From metal-organic framework to nitrogen-decorated nanoporous carbons: High CO2 uptake and efficient catalytic oxygen reduction. J. Am. Chem. Soc. 136 (2014) 6790-6793.
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3. 毕业设计（论文）进程安排
2017.1.4～2017.3.10 查阅文献，翻译英文文章，撰写开题报告
2017.3.11～2017.3.20 熟悉实验流程
2017.3.21～2017.5.20 实验研究，总结规律，处理实验数据
2017.5.21～2017.6.7 撰写毕业论文
