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121篇 您的检索式:作者名="Mintova"
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1Diffusion and catalyst efficiency in hierarchical zeolite catalysts显示文摘The preparation of hierarchical zeolites with reduced diffusion limitation and enhanced catalyst efficiency has become a vital focus in the field of zeolites and porous materials chemistry within the past decades.This review will focus on the diffusion and catalyst efficiency of hierarchical zeolites and industrial catalysts.The benefits of diffusion and catalyst efficiency at two levels of hierarchies(zeolitic component level and industrial catalyst level)from a chemical reaction engineering point of view will be analysed.At zeolitic component level,three types of mesopores based on the strategies applied toward enhancing the catalyst effectiveness factor are presented:(i)‘functional mesopores’(raising effective difllisivity);(ii)‘auxiliary mesopores’(decreasing diffusion length);and(iii)integrated mesopores1(a combination thereof).At industrial catalyst level,location and interconnectivity among the constitutive components are revealed.The hierarchical pore interconnectivity in multi-component zeolite based industrial catalysts is exemplified by fluid catalytic cracking and bi-functional hydroisomerization catalysts.The rational design of industrial zeolite catalysts at both hierarchical zeolitic component and catalyst body levels can be fully comprehended using the advanced in situ and/or operando spectroscopic,microscopic and diffraction techniques.Peng Peng Xiong-Hou Gao Zi-Feng Yan Svetlana Mintova 2020National Science Review2020,7,11:6
2Highly active Pd containing EMT zeolite catalyst for indirect oxidative carbonylation of methanol to dimethyl carbonate显示文摘Palladium containing EMT zeolite catalyst(Pd/EMT) was prepared and used for the indirect oxidative carbonylation of methanol to dimethyl carbonate(DMC).The EMT zeolite was employed as a new catalyst support and compared with the conventional Pd containing FAU zeolite catalyst(Pd/FAU).The Pd/EMT in contrast to the Pd/FAU catalyst exhibited high intrinsic activity with the turnover frequency of 0.25 s^(-1) vs.0.11 s^(-1).The Pd/EMT catalyst showed high CO conversion of 82% and DMC selectivity of 79%,that maintained for at least 130 h,while the activity of the Pd/FAU catalyst rapidly deteriorated within 12 h.The enhanced interactions between Pd and EMT zeolite inhibited the sintering of palladium clusters and maintained the Pd2+ active sites in the Pd/EMT catalyst.The stabilization of the mono-dispersed Pd clusters within the EMT zeolite is paramount to the excellent performance of the catalyst for the indirect oxidative carbonylation of methanol to DMC.Chunzheng Wang Weisong Xu Zhengxing Qin Hailing Guo Xinmei Liu Svetlana Mintova 2021Journal of Energy Chemistry2021,30,1:3
3Synthesis of Titanium Silicate ETS- 10: The Effect of Tetrametylammonium on the Crystallization Kinetics显示文摘Valtchev V Mintova S 1994Zeolites1994,14,8:1
4Preparation of nanosized micro/mesoporous composites via simultaneous synthesis of Beta/MCM-48 phases显示文摘P. Proke?ová S. Mintova J. ?ejka T. Bein 2003Microporous and Mesoporous Materials2003,,1:1
5Nanosized SAPO-34 synthesized from colloidal solution显示文摘van Heyden H Mintova S Bein T 2008Chem Mater2008,20,:1
6Nanosized SAPO-34 syn- thesized from colloidal solutions 显示文摘Heyden H V Mintova S Bein T 2008Chem Mater2008,20,:1
7Preparation of nanosized micro/mesoporous composites via simultaneous synthesis of Beta/MCM-48phases显示文摘Prokesova P Mintova S Cejka J 0,,1:1
8Preparation of nanosized micro/mesoporous composites显示文摘Prokesova P Mintova S Cejka J 2003Materials Science and Engineering2003,23,68:1
9Nanosized ALPO4-5 molecular sieves and ultrathin films prepared by microwave synthesis 显示文摘Mintova S Bein T Lina L 1998Chemistry of Materials1998,10,:1
10Environmental syntheses of nanosized zeolites with high yield and monomodal particle size distribution 显示文摘Larlus O Mintova S Bein T 2006Microporous and Mesoporous Materials2006,,96:1
11查看详情显示文摘Mintova S Waele V D Holzl M 0,,:1
12Synthesis of titanium silicate ETS- 10 = the effect of tetram etylammonium on the crystallization kinetica 显示文摘Valtchev V Mintova S 1994Zeolites1994,14,:1
13Preparation of nanosized micro/mesoporous composites via simultaneous synthesis of Beta/MCM-48 phases显示文摘Prokesova P Mintova S Cejka J 2003Microporous and Mesoporous Materials2003,64,13:1
14Effect of the silica source on theformation of nanosized silicalite-1 :an in situ dynamic lightscattering study 显示文摘Mintova S Valtchev V 2002Microporous & Mesoporous Materials2002,55,2:1
15Mechanism of zeolite A nanocrystal growth from colloids at room temperature 显示文摘MINTOVA S OLSON N H VALTCHEV V 1999Science1999,283,:1
16Growth of silicalite-1 films on gold substrates 显示文摘MINTOVA S VALTCHEV V ENGSTROM V 1997Microporous Materials1997,11,34:1
17Al-rich zeolite beta by seeding in the absence of organic template显示文摘MAJANO G DELMOTTE L VALTCHEV V MINTOVA S 2009Chem Mater2009,21,18:1
18Nanosized zeolite films for vapor-sensing application 显示文摘Mintova S Ben T 2001Microporous and Mesoporous Materials2001,50,:1
19Discrete MnAIPO-5 nanocrystals synthesized by an ionothermal approach 显示文摘Ng E-P Sekhon S S Mintova S 2009Chemical Communi- cations2009,25,31:1
20Silicalite 1/polymer films with low-k dielectric constants 显示文摘LARLUS O MINTOVA S JEAN B 2004Applied Surface Science2004,226,13:1
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