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毕业论文网 > 任务书 > 化学化工与生命科学类 > 化学工程与工艺 > 正文

SAPO-34分子筛金属改性的研究任务书

 2020-04-24 11:04  

1. 毕业设计(论文)的内容和要求

查阅相关文献与专业书籍了解分子筛的基本结构、原理,目前分子筛及分子筛改性的研究现状,特别是sapo-34分子筛的结构特点和主要应用体系,了解分子筛催化剂在制备和改性时的基本原理。

了解现有研究成果以及存在的问题,对论文的研究方向有较深入的认识。

培养学生独立思考及动手做实验的能力,养成良好的科研习惯。

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2. 参考文献

[1]张璐璐,陈立宇,程惠亭,等. 液相晶化法合成SAPO-34分子筛及其催化甲醇制低碳烯烃反应[J]. 石油化工, 2009, 38(2): 124-127. [2]Nazmul Abedin Khan, Jung Hwa Park,Sung Hwa Jhung.Phase-selective synthesis of a silicoaluminophosphate molecular sieve from dry gels[J].Materials Research Bulletin,2010,45( 4):37-381. [3]张贺,梁光华,狄春雨,等. 棱片状SAPO-34分子筛的合成及其催化性能[J]. 工业催化, 2012, 20(12): 21-24. [4]Charghand M, Haghighi M, Saedy S, et al. Efficient hydrothermal synthesis of nanostructured SAPO-34 using ultrasound energy: physicochemical characterization and catalytic performance toward methanol conversion to light olefins[J]. Advanced Powder Technology, 2014, 25(6): 1728-1736. [5]魏民,于跃,许跃,等. 水热合成法与机械混合法制备SAPO-34/ZSM-5复合分子筛的比较研究[J]. 应用化工, 2015, 44(9): 1694-1697. [6]Rezaei Y, Halladj R, Askari S, et al. High-temperature synthesis of SAPO-34 molecular sieve using a dry gel method[J]. Particuology, 2016, 27: 61-65. [7]张宇. SAPO-34 分子筛的合成与表征[D]. 天津大学, 2010. [8]Aghaei E, Haghighi M. Effect of crystallization time on properties and catalytic performance of nanostructured SAPO-34 molecular sieve synthesized at high temperatures for conversion of methanol to light olefins[J]. Powder Technology, 2015, 269: 358-370. [9]孔令涛,沈本贤,蒋章. 两步晶化法合成SAPO-34分子筛及其催化氯甲烷制低碳烯烃研究[J]. 现代化工, 2015 (7): 73-77. [10]Amoozegar A, Haghighi M, Aghamohammadi S. Enhancement of catalytic properties and lifetime of nanostructured SAPO-34 by La isomorphous substitution and alteration of Si/Al ratio used in methanol conversion to light olefins[J]. RSC Advances, 2016, 6(56): 51024-51036. [11]Liu Y, Xiao W, Xiao S. Influence of phosphorous contents on Si incorporation mechanism and properties of SAPO-34[J]. Advanced Powder Technology, 2016, 27(2): 625-630 [12]T. Aacute;lvaro-Muntilde;oz, C. M#225;rquez-Aacute;lvarez, E. Sastre, Use of different templates on SAPO-34 synthesis: effect on the acidity and catalytic activity in the MTO reaction, Catal. Today 179 (1) (2012) 27#8211;34. [13]Askari S, Siahmard A B, Halladj R, et al. Different techniques and their effective parameters in nano SAPO-34 synthesis: A review[J]. Powder Technology, 2016, 301: 268-287. [14]Ye L, Cao F, Ying W, et al. Effect of different TEAOH/DEA combinations on SAPO-34#8217;s synthesis and catalytic performance[J]. Journal of Porous Materials, 2011, 18(2): 225-232. [15]张媛, 张伟,刘志玲,等. SAPO-34 分子筛催化剂制备及发展现状[J]. 工业催化, 2016, 24(2): 14-20. [16]Ye L, Cao F, Ying W, et al. Effect of different TEAOH/DEA combinations on SAPO-34#8217;s synthesis and catalytic performance[J]. Journal of Porous Materials, 2011, 18(2): 225-232. [17]Nishiyama N, Kawaguchi M, Hirota Y, et al. Size control of SAPO-34 crystals and their catalyst lifetime in the methanol-to-olefin reaction[J]. Applied Catalysis A: General, 2009, 362(1): 193-199 [18]Rimaz S, Halladj R, Askari S. Synthesis of hierarchal SAPO-34 nano catalyst with dry gel conversion method in the presence of carbon nanotubes as a hard template[J]. Journal of colloid and interface science, 2016, 464: 137-146. [19]Amirhosseini M, Askari S, Halladj R. Incorporation of mixed metals into SAPO-34 frameworks by the dry-gel conversion method using mixed templates: investigating catalysts characterisation and performance[J]. Journal of Experimental Nanoscience, 2016, 11(13): 1032-1043. [20]Askari S, Halladj R, Sohrabi M. An overview of the effects of crystallization time, template and silicon sources on hydrothermal synthesis of SAPO-34 molecular sieve with small crystals[J]. Rev. Adv. Mater. Sci, 2012, 32(2): 83-93. [21]Aghamohammadi S, Haghighi M. Dual-template synthesis of nanostructured CoAPSO-34 used in methanol to olefins: effect of template combinations on catalytic performance and coke formation[J]. Chemical Engineering Journal, 2015, 264: 359-375. [22]王娜妮, 陈栓虎. 5-羟甲基糠醛的制备与应用[J]. 化学试剂, 2009, 31(8): 605-608. [23]Kimura H, Nakahara M, Matubayasi N. Solvent effect on pathways and mechanisms for D-fructose conversion to 5-hydroxymethyl-2-furaldehyde: in situ 13C NMR study[J]. The Journal of Physical Chemistry A, 2013, 117(10): 2102-2113. [24]Yang H, Liu X, Lu G, et al. Synthesis of SAPO-34 nanoplates via hydrothermal method[J]. Microporous and Mesoporous Materials, 2016, 225: 144-153. [25] Yu Zhang, Jianjian Wang, Jiawen Ren, et al. Mesoporous niobium phosphate: an excellent solid acid for the dehydration of fructose to 5-hydroxymethylfurfural in water .Catal. Sci. Technol., 2012, 2, 2485#8211;2491 [26]Zhang Lss, Xi G, Chen Z, et al. Enhanced formation of 5-HMF from glucose using a highly selective and stable SAPO-34 catalyst[J]. Chemical Engineering Journal, 2017, 307: 877-883. [27]高赛男,刘中海,秦冬玲,杨刚.SAPO-34分子筛的合成及催化果糖制5-羟甲基糠醛的应用[J].现代化工,2018,38(07):136-140. [28]朱伟平,薛云鹏,李艺,田树勋,岳国.金属改性SAPO-34分子筛研究概况[J].现代化工,2010,30(S2):73-77 79. [29] Liu G Y, Tian P, Xia Q H, et al. Preparation of modified Ce-SAPO-34 catalysts and their catalyst performances of methanol to olefines [J]. Nat Gas Chem.2012, 21(4): 431-450.

3. 毕业设计(论文)进程安排

1、1月9号至1月31日#8212;#8212;准备阶段,对相关英文文献进行翻译,撰写开题报告; 2、2月26号3月10日#8212;#8212;大量阅读文献并制定完整的实验计划; 3、3月11日到4月10日#8212;#8212;按照计划进行实验,进行表征,对表征数据进行处理; 4、4月11日到5月1日#8212;#8212;对制备的催化剂进行催化性能检测实验,优化实验条件及制备条件,完成中期答辩。

5、5月2日到5月20#8212;#8212;通过对实验数据分析计算,对表征和实验结果进行系统的分析比较,对所有的实验进行整合,完成大论文的撰写及答辩PPT 6、5月底至6月初#8212;#8212;提交论文及答辩。

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