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1.Processing excessive fluorine in drink water using absorbing material of quartz-sand and zeolite as framework,modified by Aluminium-salt treating,was researched. Capability and difference of two kind of modified filter material were compared and analyzed.
研究了以石英砂和沸石为骨架的吸附材料经铝盐改性处理后在处理饮用水中过量氟的处理行为 ,比较两种改性滤料处理能力的不同并对差异进行分析。收藏指正
2.Siliceous FER zeolite possesses perfect framework as revealed by FT - IR and high resolution Si MAS NMR spectra.
红外精细谱及~(29)Si MAS NMR高分辨谱证明FER硅沸石具有十分完美的骨架结构.收藏指正
3.HAY-Ⅰ and HAY-Ⅱ, which were two new types of ultra-stable Y zeolite with homogeneous aluminium distribution verified by XPS, were prepared by further acid leaching of zeolite USY and treatment of NH4Y zeolite by improved framework-silicon-enriched process with fluorosili-cate solution respectively.
对水热处理后得到的USY沸石作进一步的酸处理以及采用改进的氟硅酸盐溶液骨架富硅工艺,分别得到了经XPS剖面分析证实为铝分布均匀的超稳Y沸石HAY-Ⅰ和HAY-Ⅱ。收藏指正
4.That only little change of the signal at g=4.45 of ESR, resulted from the Fe3+ locating in the framework of zeolite, has been observed after the high temperature calcinations of [Fe-Al]-MCM-22 zeolite shows the very stable framework Fe3+ in [Fe-Al]-MCM-22 zeolite.
同样ESR测试g=4.45的信号对应着骨架中四配位的Fe~(3+)，焙烧后该信号峰变化不大，这不但证明Fe~(3+)进入了分子筛骨架，而且说明骨架Fe~(3+)是比较稳定的。收藏指正
5.Al NMR Stydies on Framework Al and Non-framework Al in the Structure of Zeolite
沸石结构中骨架铝、非骨架铝固体~(27)Al NMR研究收藏指正
6.V-ZSM-5 zeolites with various Si/V ratios have been synthesized, and the state of vanadium in zeolltes was studied by XPS, ESR, TPR and DRS techaiques. The results indicate that each of them has two forms-the nonframework vanadium highiy dispersed in the zeolite (consisting of vanadiums on outer surface and in pore) and the framework vanadium in zeolite.
合成了四种不同Si／V比的V－ZSM－5分子筛，并根据XPS、ESR、TPR及DRS测试，分析了钒在沸石中的存在状态，结果表明，沸石中的钒有两种价态，每一种价态的钒又有两种存在形式，即骨架外高分散的钒（包括沸石外表面上和孔道内的钒）及存在于骨架上的钒。收藏指正
7.STUDIES ON THE MIGRATION OF FRAMEWORK Al OF ZSM-5 ZEOLITE I. EFFECT OF HYDROTHERMAL TREATMENT AND SILICA ALUMINA RATIO
ZSM-5沸石骨架铝迁移规律的研究 Ⅰ.水热处理条件及沸石硅铝比的影响收藏指正
8.The effect of extra framework aluminium(EFA)in ZSM 5 produced by hydrothemal treatment on zeolite structure and catalyst performance was studied by NMR and IR.
用固体核磁共振和红外光谱等手段，研究了ZSM－5沸石经水热焙烧产生的非骨架铝对沸石结构性能和催化性能的影响。 结果表明，水热焙烧产生的非骨架铝通过氟硅酸洗涤可部分除去；收藏指正
9.The type and the chemical state of non-framework aluminum and the related influence on zeolite acidity were investigated by means of 27Al MAS NMR,N2 adsorption-desorption,XRD Rietveld refinement.
采用27Al MAS NMR、N2吸附-脱附、IR等表征技术及XRD Rietveld结构精修的方法,通过清除和交换引入非骨架铝,探讨了USY沸石中非骨架铝的形态。收藏指正
10.Nitrogen adsorption isotherms at liquid nitrogen temperature for hundreds zeolite material samples were determined by Micromeritics ASAP 2400. The results of pore size distribution calculated by BIH method and MP method showed that secondary pore can be distinguished from micropore inside framework by critical pore diameter of 2.0 nm (BIH) or 1.5 nm (MP).
用Micromeritics ASAP 2400仪对多种沸石分子筛材料进行了低温氮吸附等温线的测定。 通过BJH法和MP法的孔分布计算表明,可以用2.0nm(BJH法)或1.5nm(MP法)作为区分沸石晶体骨架结构中的微孔和次级孔的孔径界限值。收藏指正
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