Descrições estruturais cristalinas de zeólitos



Título del documento: Descrições estruturais cristalinas de zeólitos
Revue: Quimica nova
Base de datos: PERIÓDICA
Número de sistema: 000313459
ISSN: 0100-4042
Autores: 1
2
Instituciones: 1Instituto Catalán de Investigación Química, Tarragona, Cataluña. España
2Universidade Estadual de Campinas, Instituto de Quimica, Campinas, Sao Paulo. Brasil
Año:
Periodo: Feb
Volumen: 30
Número: 1
Paginación: 178-188
País: Brasil
Idioma: Portugués
Tipo de documento: Artículo
Enfoque: Descriptivo, aplicado
Resumen en inglés Crystalline structures of zeolites can be studied using different representations: the internal symmetry obtained by X-Ray or neutron diffraction crystallography techniques or a systematic analysis of the basic structural units which can be arranged to build the geometries of each kind of zeolite. In this work the basic concepts of three building units, SBU (Secondary Building Units), SSU (Structural SubUnits) and PBU (Periodic Building Units) are presented. The properties of the resulting crystalline structures are discussed (pores, cavities, channels), describing the influence of each one of these properties in processes of physical-chemical interest. Representative case studies of known zeolite crystalline structures are also discussed in terms of their space group classification
Disciplinas: Química
Palabras clave: Química analítica,
Zeolitas,
Estructura cristalina
Keyword: Chemistry,
Analytical chemistry,
Zeolites,
Crystal structure
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