1. 毕业设计（论文）的内容和要求
本课题为开发MCC/HEC复合气凝胶吸附材料。
首先以微晶纤维素(MCC)为原料，结合溶胶-凝胶法和冷冻干燥手段制备纤维素气凝胶，通过控制MCC和碱的用量找到最优配比，再对进行MCC气凝胶进行HEC改性，制备MCC/HEC复合气凝胶材料，研究制备工艺、材料结构及HEC含量等对复合材料性能的影响。
最后把整个研究内容写成毕业论文。
2. 参考文献
根据毕业要求指点2.3，针对复杂工程问题，具有调查研究、检索与阅读中外文献资料的能力，并能在此基础上进行归纳总结和分析论证，提出解决方案。
毕业论文期间要进行研究现状调查与总结，要求在开题报告及毕业设计（论文）中涉及的中英文文献不少于20篇，其中近5年不少于8篇，英文文献不少于5篇。
以下是与本课题相关的部分文献列表：[1] Wang H, Gong Y, Wang Y. Cellulose-based hydrophobic carbon aerogels as versatile and superior adsorbents for sewage treatment[J]. Rsc Advances, 2014, 4(86): 45753-45759.[2] Wang Y, Yadav S, Heinlein T, et al. Ultra-light nanocomposite aerogels of bacterial cellulose and reduced graphene oxide for specific absorption and separation of organic liquids[J]. RSC Advances, 2014, 4(41): 21553-21558. [3] Wan C, Lu Y, Cao J, et al. Preparation, characterization and oil adsorption properties of cellulose aerogels from four kinds of plant materials via a NAOH/PEG aqueous solution[J]. Fibers and Polymers, 2015, 16(2): 302-307.[4] Wan C, Lu Y, Jiao Y, et al. Ultralight and hydrophobic nanofibrillated cellulose aerogels from coconut shell with ultrastrong adsorption properties[J]. Journal of Applied Polymer Science, 2015, 132(24). [5] Liao Q, Su X, Zhu W, et al. Flexible and durable cellulose aerogels for highly effective oil/water separation[J]. RSC Advances, 2016, 6(68): 63773-63781.[6] Zhang H, Li Y, Lu Z, et al. A robust superhydrophobic TiO2 NPs coated cellulose sponge for highly efficient oil-water separation[J]. Scientific reports, 2017, 7(1): 9428.[7] Xiong Y, Wang C, Wang H, et al. A 3D titanate aerogel with cellulose as the adsorption-aggregator for highly efficient water purification[J]. Journal of Materials Chemistry A, 2017, 5(12): 5813-5819.[8] Jiang F, Dinh D M, Hsieh Y L. Adsorption and desorption of cationic malachite green dye on cellulose nanofibril aerogels[J]. Carbohydrate polymers, 2017, 173: 286-294.[9] Wang Q, Asoh T A, Uyama H. Facile Fabrication of Flexible Bacterial Cellulose/Silica Composite Aerogel for Oil/Water Separation[J]. Bulletin of the Chemical Society of Japan, 2018, 91(7): 1138-1140.[10] Yang X, Ma J, Ling J, et al. Cellulose acetate-based SiO2/TiO2 hybrid microsphere composite aerogel films for water-in-oil emulsion separation[J]. Applied Surface Science, 2018, 435: 609-616.[11] Meng Y, Young T M, Liu P, et al. Ultralight carbon aerogel from nanocellulose as a highly selective oil absorption material[J]. Cellulose, 2015, 22(1): 435-447.[12] Xu Z, Zhou H, Tan S, et al. Ultralight super-hydrophobic carbon aerogels based on cellulose nanofibers/poly (vinyl alcohol)/graphene oxide (CNFs/PVA/GO) for highly effective oilwater separation[J]. Beilstein journal of nanotechnology, 2018, 9(1): 508-519.[13] Xiao J, Lv W, Song Y, et al. Graphene/nanofiber aerogels: performance regulation towards multiple applications in dye adsorption and oil/water separation[J]. Chemical Engineering Journal, 2018, 338: 202-210.[14] 杨阳, 王一宁, 潘远凤, 等. TEMPO 氧化微晶纤维素和马来酸酐接枝微晶纤维素的制备及对Cu2 的吸附[J]. 环境工程学报, 2016, 10(1): 33-37.[15] Ren F, Li Z, Tan W Z, et al. Facile preparation of 3D regenerated cellulose/graphene oxide composite aerogel with high-efficiency adsorption towards methylene blue[J]. Journal of colloid and interface science, 2018, 532: 58-67.[16] Liu K, Chen L, Huang L, et al. Evaluation of ethylenediamine-modified nanofibrillated cellulose/chitosan composites on adsorption of cationic and anionic dyes from aqueous solution[J]. Carbohydrate polymers, 2016, 151: 1115-1119.[17] Sun F, Liu W, Dong Z, et al. Underwater superoleophobicity cellulose nanofibril aerogel through regioselective sulfonation for oil/water separation[J]. Chemical Engineering Journal, 2017, 330: 774-782.[18] Meng G, Peng H, Wu J, et al. Fabrication of superhydrophobic cellulose/chitosan composite aerogel for oil/water separation[J]. Fibers and Polymers, 2017, 18(4): 706-712.[19] 刘毅, 闻海峰, 彭阳, 等. ADA 螯合纤维素的合成及吸附性能[J]. 净水技术, 2018, 37(1): 97-105. [20] 陈培珍, 刘瑞来, 赵瑨云, 等. 丁二酸酐接枝纤维素纳米纤维膜及其重金属离子吸附[J]. 应用化学, 2017, 34(8): 891-898. [21] 刘志江, 李檬, 肖惠宁, 等. 改性纤维素的制备及分光光度法对Cu2 吸附研究[J]. 影像科学与光化学, 2017, 35(3): 274-280. [22] 蔡志江, 张青, 朱聪, 等. 纤维素/二氧化钛复合纳米纤维膜的制备及对Cu2 吸附性能[J]. 高分子材料科学与工程, 2018, 34(5): 131-136.[23] Lu Y, Yuan W. Superhydrophobic/superoleophilic and reinforced ethyl cellulose sponges for oil/water separation: synergistic strategies of cross-linking, carbon nanotube composite, and nanosilica modification[J]. ACS applied materials interfaces, 2017, 9(34): 29167-29176. [24] Bashar M M, Zhu H, Yamamoto S, et al. Superhydrophobic surfaces with fluorinated cellulose nanofiber assemblies for oilwater separation[J]. RSC Advances, 2017, 7(59): 37168-37174.[25] Zhu L, Zong L, Wu X, et al. Shapeable Fibrous Aerogels of MetalOrganic-Frameworks Templated with Nanocellulose for Rapid and Large-Capacity Adsorption[J]. ACS nano, 2018, 12(5): 4462-4468. [26] Gao R, Xiao S, Gan W, et al. Mussel adhesive-inspired design of superhydrophobic nanofibrillated cellulose aerogels for oil/water separation[J]. ACS Sustainable Chemistry Engineering, 2018, 6(7): 9047-9055.
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