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1)  MCM 41/Y zeolites
MCM41/Y沸石
2)  Y zeolite
Y沸石
1.
Acidic and Catalytic Properties of Dealuminated Y Zeolites with Different Preparation Methods;
不同超稳Y沸石的酸性质及其催化性能
2.
The results showed that non-framework aluminum corresponding to the chemical shift of 0 in 27Al MAS NMR existed in an isolate state in the supercage of USY zeolite and the non-framework aluminum corresponding to the chemical shift of 30-50 may be bound to Y zeolite framework.
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。
3.
With modified Y zeolite as catalyst which could resist water and sulfide,the ethylbenzene synthesis process from dry gas and benzene by catalytic distillation was investigated and suitable(operation) conditions were gained.
采用耐水、耐硫的改性Y沸石催化剂,对催化蒸馏干气与苯制乙苯工艺进行了研究,得到了较佳的催化蒸馏反应工艺条件。
3)  zeolite Y
Y沸石
1.
Self-diffusivity of benzene in zeolite Y:different jump diffusion mechanisms investigated by KMC simulations;
苯分子在Y沸石中跳跃扩散机制的动力学Monte Carlo模拟
2.
Synthesis of Zeolite ECR-1 from Hydrothermal Phase Transition of Zeolite Y
Y沸石水热转晶为ECR-1沸石的研究
3.
Palladium-platinum catalysts supported on a mesoporous material containing secondary structural units of zeolite Y (Y-MCM-41) and a micro-mesoporous material composed of zeolite Y overgrown with a thin layer of MCM-41(MCM-41/Y) were prepared by an ion exchange method.
本文以含Y沸石次级结构单元的MCM-41和MCM-41附晶生长在Y沸石上的微介孔复合材料作为载体,以Pd-Pt为活性组分,分别研究了其芳烃加氢反应和环烷烃开环反应的性能。
4)  Y zeolite
Y型沸石
1.
In this paper,the influence of process-parameters of ion exchange,calcinations,dealumination and silicon reinsertion on the quality of PSRY was investigated from the view of Y zeolite structure.
文章从Y型沸石的结构入手,分析了离子交换、焙烧和脱铝补硅等操作参数对PSRY分子筛质量的影响,优化了工艺条件,有效地提高了产品质量。
2.
A series of Ru(5,5′-X_2-salen)complexes,were encapsulated within cavities of Y zeolite by flexible ligand method,where salen was N,N′-ethylenebis(salicydene aminato)and X were H,Cl,Br or CH_3O.
采用自由配体法将系列Ru(5,5′-X2-salen)(X=H,C l,B r,CH3O;salen为N,N′-双水杨醛亚乙基二亚胺)配合物封装于Y型沸石的孔腔中,制备出系列Ru(5,5′-X2-salen)/Y催化剂。
3.
Y zeolite was used as catalyst for Fries rearrangement of phenyl acetate(PA).
以Y型沸石作为乙酸苯酯(PA)Fries重排反应的催化剂,考察了Y型沸石在液相Fries重排反应中的催化活性,并系统地讨论了反应温度、时间以及催化剂用量等条件对反应的影响。
5)  Zeolite Y
Y型沸石
1.
Fabrication and Gas Separation Properties of Zeolite Y/Carbon Hybrid Membranes
Y型沸石/炭杂化膜的制备及其气体分离性能
2.
Zeolite Y modified through rare earth alone or rare earth and phosphorus together was studied.
我们采用稀土以及稀土和磷两种方式对Y型沸石表面进行修饰,NH3-TPD测试表明稀土和磷复合改性Y沸石(P-RE-USY)的酸性分布更集中在中强酸范围。
3.
In this paper, we reported directly synthesis of high Si/Al ratios zeolite Y with silica-alumina sphere as raw material.
本文研究了以硅铝微球为主要合成原料,直接合成高硅铝比Y型沸石的合成规律,并将水溶性高分子应用于该合成体系中,系统地考察了它们对Y型沸石合成的影响,采用XRD、SEM、FT-IR等手段对合成样品进行了表征。
6)  Y-zeolite
Y型沸石
1.
Study on stability of modified Y-zeolite catalyst in transalkylation reaction of benzene with diisopropylbenzene;
改性Y型沸石催化剂在苯和二异丙苯烷基转移反应中稳定性的研究
补充资料:4A沸石
分子式:
CAS号:

性质:又称Na12[(A1O2)12、(SiO2)12]27H2O  又称4A分子筛。白色固体颗粒。呈网络状结构,内含均匀小孔,孔径0.42nm,比表面积约为600m2/R,不溶于水和有机溶剂,能溶解于强碱和强酸。加热超过800℃时,重新结晶形成白硅石状的结构。有吸附水分,液体、气体及不饱和的有机物质。对钙离子有交换能力,理论交换能力为352CaCO3mg/g,一般为290~320mgCaCO3/g,白度≥95%,pH值10~11.5,表观密度0.3~0.5g/cm3,平均粒径为2μm,粒度分布≤4μm占85%以上。用作无磷洗涤剂的助剂,代替三聚磷酸钠;在石油和其他工业用作气体和液体的干燥、脱水净化等,也用作催化剂和软水剂。

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