Scale up pillaring: a study of the parameters that influence the process

Pillared clays (PILCs) are interesting materials mostly due to their high basal spacing and surface area, which make them suitable for adsorption and catalysis applications, for example. However, the production of these materials on industrial scale is dependent on research about what parameters inf...

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Detalles Bibliográficos
Autores: Pergher, Sibele Berenice Castellã, Bertella, Francine
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2017
País:Brasil
Institución:Universidade Federal do Rio Grande do Norte (UFRN)
Repositorio:Repositório Institucional da UFRN
Idioma:inglés
OAI Identifier:oai:repositorio.ufrn.br:123456789/29570
Acceso en línea:https://repositorio.ufrn.br/jspui/handle/123456789/29570
Access Level:acceso abierto
Palabra clave:Clays
Al-PILC
Pillared clays
Scale up
Descripción
Sumario:Pillared clays (PILCs) are interesting materials mostly due to their high basal spacing and surface area, which make them suitable for adsorption and catalysis applications, for example. However, the production of these materials on industrial scale is dependent on research about what parameters influence the process. Thus, the objective of this work was to evaluate what parameters influence the pillaring procedure. For this, pillared clays were synthesized following three series of experiments. In the first series, the effect of the amount of water in a clay suspension was evaluated. The best results were obtained by using diluted suspensions (1 g of clay to 100 mL of water). In the second series, several pillaring methods were tested. In the third series, the amount of pillared clay was raised to 50 g. Fifty grams of pillared clay can be obtained using the pillaring agent synthesized at 60 ◦C with further aging for 24 h, and this material exhibited high basal spacing (17.6 Å) and surface area (233 m2/g). These values are comparable with the traditional pillaring method using only 3 g of clay