Selective synthesis of 2-ethoxy alkanes through ethoxylation of 1-alkenes with bioethanol over zeolite beta catalyst in a liquid phase continuous process

2012 ◽  
Vol 14 (5) ◽  
pp. 1475 ◽  
Author(s):  
Sambhu Radhakrishnan ◽  
Joris Franken ◽  
Johan A. Martens
Keyword(s):  
Liquid Phase ◽  
Continuous Process ◽  
Zeolite Beta ◽  
Selective Synthesis

scholarly journals ZnAlMCM-41; a very ecofriendly and reusable solid acid catalyst for highly selective synthesis of 1, 3-dioxanes by Prins cyclization of olefins

2021 ◽  
Author(s):  
Manickam Selvaraj ◽  
Mohammed A. Assiri ◽  
Hari Singh ◽  
Jimmy Nelson Appaturi ◽  
Subrahmanyam Ch ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Solid Acid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
Selective Synthesis ◽  
Comparison Study ◽  
Catalytic Method ◽  
Prins Cyclization ◽  
Heterogeneous Catalytic

Prins cyclization of styrene (SE) with paraformaldehyde (PFCHO) was conducted with mesoporous ZnAlMCM-41 catalysts for synthesis of 4-phenyl-1,3-dioxane (4-PDO) under a liquid phase heterogeneous catalytic method. For comparison study, the...

A Selective Synthesis of Unsymmetrical 1,1'-Methylenebisdiazoles by Solid-liquid Phase Transfer Catalysis

Heterocycles ◽  
1986 ◽  
Vol 24 (8) ◽  
pp. 2233 ◽  
Author(s):  
Jos� Elguero ◽  
Sebastian Juli� ◽  
Carlos Mart地ez-Martorell
Keyword(s):  
Liquid Phase ◽  
Phase Transfer Catalysis ◽  
Phase Transfer ◽  
Selective Synthesis ◽  
Solid Liquid

Diffusion of non-volatile phenolic compounds in zeolite beta and silicalite in liquid phase

Adsorption ◽  
2016 ◽  
Vol 22 (7) ◽  
pp. 1001-1011 ◽  
Author(s):  
Tran Ngoc Linh ◽  
Hirotaka Fujita ◽  
Akiyoshi Sakoda
Keyword(s):  
Phenolic Compounds ◽  
Liquid Phase ◽  
Zeolite Beta

Selective etherification of β-citronellene catalyzed by zeolite beta

2015 ◽  
Vol 17 (5) ◽  
pp. 2840-2845 ◽  
Author(s):  
Sambhu Radhakrishnan ◽  
Martin Purino ◽  
Konstantinos Alexopoulos ◽  
Francis Taulelle ◽  
Marie-Françoise Reyniers ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Continuous Flow ◽  
Zeolite Beta ◽  
Catalytic Process ◽  
Heterogeneous Catalytic Process ◽  
Heterogeneous Catalytic

A continuous flow, liquid phase, heterogeneous catalytic process for chemoselective etherification of β-citronellene monoterpene using the zeolite beta catalyst.

scholarly journals Disperse systems temperature field finding at reception of firm crystal-amorphous structures

2018 ◽  
pp. 15-20
Author(s):  
Y.V. Kornienko ◽  
P.M. Magaziy ◽  
K.O. Gatilov ◽  
R.V. Sachok
Keyword(s):  
Temperature Field ◽  
Liquid Phase ◽  
Characteristic Point ◽  
Continuous Process ◽  
Amorphous Solid ◽  
Solid Particles ◽  
Disperse Systems ◽  
Gas Filtration ◽  
Amorphous Structures ◽  
Downstream Flow

The temperature field of firm crystal-amorphous structures receiption from liquid systems in the fluid bed is explored. The stable conducting terms of process are certain. Previous studies have shown that increasing the irrigation density increases the probability of formation of agglomerates, which causes a decrease in temperature; therefore, it is advisable to measure the temperature field in the environment of the dispersant and compare it with the values of temperatures at the characteristic point, according to which the regulation of the flow of liquid phase to the granulator is carried out. The objective of the experimental research was to determine the change of the temperature field in disperse systems in obtaining crystalline-amorphous solid structures in a fluidized-bed apparatus. In case of an increase in the amount of heat flow, an adequate increase in the flow of liquid phase occurs. This results in the local overturning of solid particles and, as a result, the formation of large aggregates and loss of quality of fluidization. To eliminate this disadvantage it is advisable to create conditions for uneven distribution of the coolant speed. In the downstream right and left fluxes, the coolant speed should not exceed the rate of gas filtration through the material. In the left upward flow, in which the direction of motion of the granular material is opposite to the direction of the vector of the linear velocity of the dispersed droplets of the liquid phase, it is expedient to increase the flow of the coolant in a direction that coincides with the downstream flow. To verify these provisions, it is expedient to conduct a study of the continuous process of formation of solid multilayer composites.

Liquid phase calorimetry and adsorption analyses of zeolite beta acidity

2008 ◽  
Vol 10 (11) ◽  
pp. 1584 ◽  
Author(s):  
Julio Lemos de Macedo ◽  
Grace Ferreira Ghesti ◽  
José Alves Dias ◽  
Sílvia Cláudia Loureiro Dias
Keyword(s):  
Liquid Phase ◽  
Zeolite Beta

Liquid phase dehydration of 1-indanol: Selective synthesis of indene over microporous acid catalysts

2015 ◽  
Vol 213 ◽  
pp. 85-94 ◽  
Author(s):  
Nicolás M. Bertero ◽  
Germán D. Bustos ◽  
Cristián A. Ferretti ◽  
Carlos R. Apesteguía ◽  
Alberto J. Marchi
Keyword(s):  
Liquid Phase ◽  
Acid Catalysts ◽  
Selective Synthesis

Highly Selective Synthesis of Acrylic Acid from Lactide in the Liquid Phase

ChemSusChem ◽  
2018 ◽  
Vol 11 (17) ◽  
pp. 2936-2943 ◽  
Author(s):  
Jens Nagengast ◽  
Simon Hahn ◽  
Nicola Taccardi ◽  
Matthias Kehrer ◽  
Julian Kadar ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Acrylic Acid ◽  
Selective Synthesis
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