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| 1 | Busting the efficiency of SAPO-34 catalysts for the methanol-to-olefin conversion by post-synthesis methods显示文摘As an effective non-petroleum based process for producing light olefins, the methanol-to-olefin(MTO) route has become an indispensable alternative to the industrial production of light olefins. The silicoaluminophosphate SAPO-34 zeolite(CHA-type structure) has proven to be an efficient industrial catalyst for the production of ethylene and propylene by the MTO reaction. However, the inherent structure and related diffusion limitations of SAPO-34 limit the mass transport and thus cause rapid deactivation of the catalyst. Fabrication of hierarchical SAPO-34 zeolite is one of the most effective strategies to address the intrinsic diffusion limitation. As simple, inexpensive, and efficient approach, the post-synthetic route has attracted considerable attention and widely used to introduce secondary meso-/macropores into the microporous SAPO-34 material. Significant effort has been dedicated to the development of post-synthesis strategies to prepare hierarchical SAPO-34 zeolite, thereby enhancing its catalytic performance in the MTO process. This mini-review addresses the post-synthesis preparation of hierarchical SAPO-34 catalysts and their MTO performance. Furthermore, some current problems and prospects of the post-synthesis route to hierarchical SAPO-34 catalysts are also revised. We expect this minireview to inspire the more efficient preparation of hierarchical SAPO-34 catalysts for the MTO process. | Guoju Yang Ji Han Yujun Huang Xiaoxin Chen Valentin Valtchev | 2020 | Chinese Journal of Chemical Engineering2020，28，8： | 7 |
| 2 | A partionbased approach towards constructing Galois (concept) lattices显示文摘 | Petko Valtchev Rokia Missaoui Pierre Lebrun | 2002 | Discrete Mathematics2002，256，3： | 1 |
| 3 | Synthesis of Titanium Silicate ETS- 10: The Effect of Tetrametylammonium on the Crystallization Kinetics显示文摘 | Valtchev V Mintova S | 1994 | Zeolites1994，14，8： | 1 |
| 4 | Deposition of Continuous Silicalite-1 Films on Inorganic Fibers 显示文摘 | Valtchev V Hedlund J Schoeman B J | 1997 | Microporous Mater1997，8，12： | 1 |
| 5 | Core shell polystyrene/zeolite a microbeads显示文摘 | Valtchev V | 1973 | Chemistry of Materials1973，14，3： | 1 |
| 6 | Hydroeracking of heavy vacuum gas oil with a Pt/H, beta-A1203 catalyst: effect of zeolite crystal size in the nanoscale range 显示文摘 | Miron V Landau Leonid Vradman Valentin Valtchev | 2003 | Industrial & Engineering Chemistry Research2003，42，12： | 1 |
| 7 | Crystal morphology control of LTL-type zeolite crystals 显示文摘 | Larlus0 Valtchev V P | 2004 | Chemistry of Materials2004，16，17： | 1 |
| 8 | Nanozeolites: Synthesis, crystallization mechanism, and applications显示文摘 | TOSHEVA L VALTCHEV V P | 2005 | Chem Mat2005，17，10： | 1 |
| 9 | Synthesis of titanium silicate ETS- 10 = the effect of tetram etylammonium on the crystallization kinetica 显示文摘 | Valtchev V Mintova S | 1994 | Zeolites1994，14，： | 1 |
| 10 | Core-shell zeolite microcomposites显示文摘 | Bouizi Y Rouleau I L Valtchev V P | 2005 | Advanced Functional Materials2005，15，： | 1 |
| 11 | Effect of the silica source on theformation of nanosized silicalite-1 :an in situ dynamic lightscattering study 显示文摘 | Mintova S Valtchev V | 2002 | Microporous & Mesoporous Materials2002，55，2： | 1 |
| 12 | Mechanism of zeolite A nanocrystal growth from colloids at room temperature 显示文摘 | MINTOVA S OLSON N H VALTCHEV V | 1999 | Science1999，283，： | 1 |
| 13 | Carbon spheres prepared from zeolite Beta beads显示文摘 | Tosheva L Parmentier J Valtchev V | 2005 | Carbon2005，43，： | 1 |
| 14 | Growth of silicalite-1 films on gold substrates 显示文摘 | MINTOVA S VALTCHEV V ENGSTROM V | 1997 | Microporous Materials1997，11，34： | 1 |
| 15 | A partition-based approach towards constructing Galois ( concept ) lattices 显示文摘 | P Valtchev R Missaoui P Lebrun | 2002 | Discrete Mathematics2002，256，3： | 1 |
| 16 | Al-rich zeolite beta by seeding in the absence of organic template显示文摘 | MAJANO G DELMOTTE L VALTCHEV V MINTOVA S | 2009 | Chem Mater2009，21，18： | 1 |
| 17 | Nanozeolite :synthesis,crystallizationmechanism,and applications 显示文摘 | Tosheva L Valtchev V P | 2005 | Chemistry of Materials2005，17，10： | 1 |
| 18 | 查看详情显示文摘 | Valtchev V Schoeman B J Hedlund J Mintova S Sterte J | | 0，，： | 1 |
| 19 | Generating frequent itemsets incrementally: Two novel approaches based on Galois lattice theory 显示文摘 | Valtchev P Missaoui R Godin R | 2002 | Journal of Experimental & Theore- tical Artificial Intelligence2002，14，23： | 1 |
| 20 | Resonant contactless energy transfer with improved efficiency 显示文摘 | VALTCHEV S BORGES B BRANDISKY K | 2009 | IEEE Transactions on Power Electronics2009，24，3： | 1 |
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