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中文摘要：
在强碱性条件下直接引入二价锰源,一步合成出高纯度的纳米级Mn-ZSM-5分子筛.通过X射线粉末衍射（XRD）、傅里叶变换红外光谱（FTIR）、扫描电子显微镜（SEM）、29Si核磁共振波谱（29Si NMR）、电感耦合等离子光谱（ICP）和氮气吸附-脱附等测试方法对其进行结构表征和性能测试.结果显示,锰原子存在于沸石骨架中,产物为具有MFI结构的纳米级分子筛.使用苯乙烯氧化反应作为探针反应,以过氧化氢为氧化剂,结果显示苯乙烯转化率达到84.98%,转化数（TON）为208,环氧苯乙烷选择性为87.62%,产率为74.46%.
英文摘要：
High pure Mn-ZSM-5 zeolite was synthesized through one-step hydrothermal method by direct introduction of divalent manganese source under strong alkaline condition.The samples were characterized by XRD,FTIR,29Si NMR,SEM,ICP and N2 adsorption-desorption techniques.The results indicated that manganese irons were incorporated into the zeolite skeleton.Using styrene oxidation as a probe reaction,H2O2 as the oxidant and Mn-ZSM-5 as the catalyst,the conversion of styrene reached 84.98%,turnover number was 208,styrene epoxide selectivity and yield was about 87.62% and 74.46%,respectively.The synthesized nano sized Mn-ZSM-5 is a promising catalyst for oxidation reactions.
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