Gas-Phase Enzymatic Esterification on Immobilized Lipases in MCM-41 Molecular Sieves

2002 ◽  
pp. 963-976
Author(s):  
Emerson Luis Pires ◽  
Everson Alves Miranda ◽  
Gustavo Paim Valença
Keyword(s):  
Gas Phase ◽  
Molecular Sieves ◽  
Enzymatic Esterification ◽  
Immobilized Lipases ◽  
Mcm 41

Gas-Phase Enzymatic Esterification On Immobilized Lipases In Mcm-41 Molecular Sieves

2002 ◽  
Vol 98-100 (1-9) ◽  
pp. 963-976 ◽  
Author(s):  
Emerson Luis Pires ◽  
Everson Alves Miranda ◽  
Gustavo Paim Valença
Keyword(s):  
Gas Phase ◽  
Molecular Sieves ◽  
Enzymatic Esterification ◽  
Immobilized Lipases ◽  
Mcm 41

Selective gas phase tert-butylation of 4-hydroxyanisole over mesoporous PWA/Al-MCM-41 molecular sieves

2008 ◽  
Vol 10 (2) ◽  
pp. 150-155 ◽  
Author(s):  
K. Rajasekar ◽  
K. Balkis Ameen ◽  
A. Pandurangan
Keyword(s):  
Gas Phase ◽  
Molecular Sieves ◽  
Mcm 41

Mn–MCM-41 molecular sieves: a selective gas-phase cyclohexanol oxidation catalyst

2010 ◽  
Author(s):  
D. Santhanaraj ◽  
C. Suresh ◽  
P. Vijayan ◽  
N. Venkatathri ◽  
K. Shanthi
Keyword(s):  
Gas Phase ◽  
Molecular Sieves ◽  
Oxidation Catalyst ◽  
Mcm 41

Synthesis and Catalytic Property of V-MCM-41 Mesoporous Molecular Sieves by Atrane Route

2011 ◽  
Vol 284-286 ◽  
pp. 936-939 ◽  
Author(s):  
Wen Ming Liu ◽  
Jia Jia Cao ◽  
Chun Ling Fan ◽  
Zhao Ping Chen
Keyword(s):  
Gas Phase ◽  
Atmospheric Pressure ◽  
Molecular Sieves ◽  
Molecular Sieve ◽  
Space Velocity ◽  
Vanadium Content ◽  
Mesoporous Molecular Sieves ◽  
Active Centers ◽  
Partial Oxidation Of Toluene ◽  
Mcm 41

V-MCM-41 molecular sieve with high vanadium content has been prepared by the atrane route. Gas phase partial oxidation of toluene to benzaldehyde on the V-MCM-41 molecular sieves catalysts was studied. The structure and characteristic of catalyst were characterized by means of XRD, UV-vis and so on. The experimental results showed that the vanadium content in the framework related to mole ratio of silica to vanadium. The vanadium content in the framework was the highest, when the mole ratio of Si to V was 30. And the vanadium in the framework may be active centers of catalytic oxidation of toluene to benzaldehyde. Under the condition of atmospheric pressure, mole ratio of Si to V 30, space velocity 800 h-1, n(air):n(toluene)=5 and reaction temperature 450°C，the conversion of toluene, selectivity to benzaldehyde and its yield were 20.8%, 41.8% and 8.7% respectively.

Titanium-modified MCM-41 molecular sieves as efficient supports to increase the hydrogenation abilities of NiMoS and CoMoS catalysts

2021 ◽  
Vol 95 ◽  
pp. 340-349
Author(s):  
Franklin J. Méndez ◽  
Roylena Vargas ◽  
Joel Blanco ◽  
Yahsé Rojas-Challa ◽  
Ernesto Bastardo-González ◽  
...  
Keyword(s):  
Molecular Sieves ◽  
Mcm 41

Highly selective synthesis of styrene oxide over phosphotungstic acid supported on mesoporous Mn-MCM-41 molecular sieves

2009 ◽  
Vol 17 (1) ◽  
pp. 57-68 ◽  
Author(s):  
GuangQing Liu ◽  
GuangJian Wang ◽  
ZhenXing Yang ◽  
YiWu Liu ◽  
MingXia Xu ◽  
...  
Keyword(s):  
Molecular Sieves ◽  
Phosphotungstic Acid ◽  
Styrene Oxide ◽  
Selective Synthesis ◽  
Mcm 41

scholarly journals Photocatalytic Properties of Nb/MCM-41 Molecular Sieves: Effect of the Synthesis Conditions

Coatings ◽  
2015 ◽  
Vol 5 (3) ◽  
pp. 511-526 ◽  
Author(s):  
Caterine Gomez ◽  
J. Rodriguez-Paez
Keyword(s):  
Molecular Sieves ◽  
Photocatalytic Properties ◽  
Synthesis Conditions ◽  
Mcm 41

Effect of rehydration on the porosity of MCM-41 mesoporous molecular sieves

1999 ◽  
Vol 35 (1) ◽  
pp. 52-56
Author(s):  
F. M. Bobonich ◽  
Yu. G. Voloshina ◽  
L. A. Matkovskaya ◽  
V. N. Solomakha ◽  
Yu. G. Gol’tsov
Keyword(s):  
Molecular Sieves ◽  
Mesoporous Molecular Sieves ◽  
Mcm 41
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