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Transformação do glicerol em compostos de interesse petroquímico catalisada por zeólitas com ordem hierárquica de poros
(Universidade Estadual Paulista (Unesp), 2013-07-29)
As propriedades catalíticas de zeólitas micro e micro-mesoporoas foram avaliadas pela desidratação do glicerol em fase gasosa. A dessilicação foi a metodologia utilizada para criar mesoporos nas zeólitas, diminuir as ...
Dehydration of glycerol to acrolein using H-ZSM5 zeolite modified by alkali treatment with NaOH
(Elsevier, 2014-11)
The dehydration of glycerol to acrolein has been studied using H-ZSM5 zeolite treated in alkaline medium in order to develop mesoporosity by desilication. Treatment of H-ZSM5 zeolite (Si/Al=15) in NaOH solutions leads to ...
Esterificação de glicerol com ácido benzoico sobre zeólitas H-ZSM-5 hierárquicas incorporadas com Zr ou Nb
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Química - PPGEQCâmpus São Carlos, 2020-03-19)
Acid zeolites are microporous aluminosilicates, which exhibit negative charged AlO4- tetrahedrons in its lattice balanced by protons (H+), generating Brønsted acid sites (BAS). The Lewis acidity of zeolites is commonly ...
Transformação do glicerol em compostos de interesse petroquímico catalisada por zeólitas com ordem hierárquica de poros
(Universidade Estadual Paulista (UNESP), 2014)
Catalytic improvement of biomass conversion: Effect of adding mesoporosity on MOR zeolite for esterification with oleic acid
(Pergamon-Elsevier Science Ltd, 2021-11)
Catalytic processes play an important role in the valorization of biomass for the production of biofuels. In this context, the effect of desilication of MOR zeolite (H-MOR-D) on the esterification of oleic acid as a model ...
Pasarela de moda artesanal colombiana : Identidad Colombia.
(Medellín : Artesanías de Colombia, 2003., 2003)
Presentación de los diseñadores de modas Francesca Miranda, Juan Pablo Martínez, Lina Cantillo, María Luisa Ortíz y Olga Piedrahita cuyas propuestas de diseño de moda artesanal se presentaron en el evento anual de la ...