Fluidized bed generation of stable silica nanoparticle aerosols

Clemente, A. ; Balas, F. (Universidad de Zaragoza) ; Lobera, M. P. (Universidad de Zaragoza) ; Irusta, S. (Universidad de Zaragoza) ; Santamaria, J. (Universidad de Zaragoza)

Resumen: A long-lasting generator of continuous silica nanoparticle aerosols based in a fluidized bed of glass beads coated with nanosized silica has been developed. The attrition resulting from the bubbling fluidized bed regime progressively detaches the silica coating from the glass beads, giving rise to a steady production of silica nanosized aerosols with median diameters from 100 to 250 nm depending on the initial size of the coating nanoparticles. Continuous aerosol production could be maintained for more than 12 h, and the nanoparticle concentration can be easily tuned in the range of 2000 to 14,000 #/cm3 by adjusting the fluidization and/or dilution flow rates.

Idioma: Inglés

DOI: 10.1080/02786826.2013.797952

Año: 2013

Publicado en: AEROSOL SCIENCE AND TECHNOLOGY 47, 8 (2013), 867-874
ISSN: 0278-6826

Factor impacto JCR: 3.155 (2013)

Categ. JCR: ENGINEERING, CHEMICAL rank: 16 / 131 = 0.122 (2013) - Q1 - T1
Categ. JCR: ENGINEERING, MECHANICAL rank: 7 / 128 = 0.055 (2013) - Q1 - T1
Categ. JCR: ENVIRONMENTAL SCIENCES rank: 42 / 215 = 0.195 (2013) - Q1 - T1
Categ. JCR: METEOROLOGY & ATMOSPHERIC SCIENCES rank: 19 / 76 = 0.25 (2013) - Q1 - T1

Financiación: info:eu-repo/grantAgreement/EC/FP7/263147/EU/Development of reference methods for hazard identification, risk assessment and LCA of engineered nanomaterials/NANOVALID
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2008-01319

Tipo y forma: Artículo (PostPrint)

Área (Departamento): Área Ingeniería Química (Dpto. Ing.Quím.Tecnol.Med.Amb.)