1. 毕业设计(论文)的内容和要求
本课题旨在构筑硅材料的有机胺吸附剂分离二氧化碳研究,为进一步研究开发高效胺改性吸附剂用于二氧化碳吸附,并进行系列表征手段用于筛选最佳吸附剂。
使用该吸附剂,通过系列CO2吸附实验,提高吸附剂对CO2的吸附容量及吸附选择性,并初步探究不同链长硅材料的有机胺吸附剂对CO2的吸附机理,从而进一步寻找提高其吸附效果的改性方法。
课题内容:1)吸附剂的制备:通过保留模板剂从而制备分子筛载体,再用湿法胺浸渍分子筛载体制备吸附剂;2)考察不同胺浸渍量对于CO2吸附性能影响;3)对吸附剂材料进行CO2动态吸附,动力学测定为工业化应用做前期铺垫。
2. 参考文献
[1] 刘清. 胺改性工业级碳纳米管吸附分离烟道气中二氧化碳的研究[D]. 浙江大学, 2015. [2] Simon, H, Pang, et al. Design of Aminopolymer Structure to Enhance Performance and Stability of CO2 Sorbents: Poly(propylenimine) vs Poly(ethylenimine)[J]. Journal of the American Chemical Society, 2017, 139: 3627-3630.[3] Yue M , Chun Y , Cao Y , et al. CO2 Capture by As-Prepared SBA-15 with an Occluded Organic Template. Advanced Functional Materials[J], 2006, 16:1717-1722.[4] Yldz M G, Davran-Candan T, Gnay M E, et al. CO2 capture over amine-functionalized MCM-41 and SBA-15: exploratory analysis and decision tree classification of past data. Journal of CO2 Utilization[J], 2019, 31: 27-42.[5] Linneen N N, Pfeffer R, Lin Y S. Amine distribution and carbon dioxide sorption performance of amine coated silica aerogel sorbents: Effect of synthesis methods. Industrial l Sanz, Calleja G , Arencibia A , et al. Development of high efficiency adsorbents for CO2 capture based on a double-functionalization method of grafting and impregnation[J]. Journal of Materials Chemistry A, 2013, 1: 1956-1962.[18] Harlick P J E , Sayari A . Applications of Pore-Expanded Mesoporous Silicas. 3. Triamine Silane Grafting for Enhanced CO2 Adsorption[J]. Industrial Engineering Chemistry Research, 2006, 45:3248-3255.[19] Kishor R , Ghoshal A K . Polyethylenimine Functionalized As-synthesized KIT-6 Adsorbent for Highly CO2/N2 Selective Separation[J]. Energy Fuels, 2016, 30(11).[20] Liu Z, Pudasainee D, Liu Q, et al. Post-combustion CO2 capture using polyethyleneimine impregnated mesoporous cellular foams[J]. Separation and Purification Technology, 2015, 156: 259-268.
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