1、同型PWAMOF材料的合成及其吸附/反应-吸附噻吩性能的研究,报告人:张艳飞指导教师:贾绍义老师报告日期:2012年9月27日,主要内容,研究背景选题依据研究内容实验方案可行性及创新点参考文献,研究背景,第一部分,研究背景,第一部分,选题依据,理论依据,第二部分,PWA,MOF,PWA/H2O2反应体系多用于氧化脱硫;孔径较小,反应活性低;H2O2利用率低。,孔径大于噻吩类分子 吸附、储存气体或有机分子结构排列有序 催化剂负载量大且分散度高有CUS可与噻吩类形成键络合作用修饰功能化(PSM、ship-in-a-bottle)包覆PWA,选题依据,实践依据,第二部分,HKUST-1等铜基MOF以
2、及MIL-47等MOF用于噻吩类的吸附;,MIL-47吸附能力远远优于AC,且吸附能力也由于Y型分子筛;,HKUST-1浸渍PWA后对噻吩类吸附能力提高,用Cu+改性MOF后,MOF对噻吩类吸附能力提高。,研究内容,水热合成(一步法),材料合成及性能,4,6-DMDBT吸附及氧化-吸附实验(GC),第三部分,MIL-101(V Fe Cr)水热法合成,将PWA加入MIL-101的合成材料中相同条件下合成,吸附:材料50mg,模拟油5ml,温度30 ,时间,3h;氧化-吸附:材料50mg,模拟油5ml,H2O2 6ul,CTAB 10mg,温度30 ,时间,3h。,MOF材料的合成(水热法),研
3、究内容,第三部分,实验思路A 比较MIL-47-V与MIL-101-V的吸附能力,探讨中心金属相同时,MOF结构对有机硫化物吸附能力的影响;B 比较MIL-101(Cr V Fe)吸附能力,改变模拟油中硫含量建立吸附模型;C 测MIL-101(Cr V Fe)的酸度(软酸碱理论)D 探讨MOF对DBT和BT的吸附及氧化-吸附能力,比较不同硫化物氧化反应活性。,实验方案,水热法合成材料 A 合成MIL-101-Cr MIL-101-Fe MIL-101-V;B 在合成MIL-101所需反应物基础上,加入一定量PWA;C PWA用量500mg,负载量约为50%。,第四部分,实验方案,2. 4,6-
4、DMDBT吸附试验 A 模拟油的制备 正辛烷+一定质量4,6-DMDBT得到1000ppmS模拟油,然后又分别稀释到500、250、100、10ppmS(高硫和低硫体系); B MIL-101(Cr Fe V)吸附4,6-DMDBT 材料(50mg);模拟油(1000ppm,5ml);温度(30);时间(0-3h); C PWAMIL-101吸附4,6-DMDBT 复合材料(50mg);模拟油(1000ppm,5ml);温度(30);时间(0-3h)。,第四部分,实验方案,第四部分,3. PWAMIL-101对4,6-DMDBT的氧化-吸附性能 A 复合材料(50mg);模拟油(1000ppm
5、,5ml); H2O2(6ul);CTAB(10mg);温度(30);时间(0-3h); B Na2CO3的加入量,实验温度,催化剂负载量等对4,6-DMDBT氧化-吸附性能的影响。,创新点,对于吸附过程的影响因素进行分析,探索关键因素,将MOF与催化氧化催化剂结合,反应-吸附去除噻吩,创新点及可行性分析,第五部分,参考文献,第九部分,1. Zeolite-like Metal-Organic Frameworks as Platforms for Applications: On Metalloporphyrin-Based Catalysts. J. AM. CHEM. SOC. 2008
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12、alytically active porous organic polymers with metalloporphyrin struts. Chem. Sci., 2011, 2 , 686689.,参考文献,第九部分,13. A metalloporphyrin functionalized metal-organic framework for selective oxidation of styrene. Chem. Commun., 2011,47,5521-552314. Ground- and excited-state properties of Zn(II) tetraki
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