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Analysis of Coal Fly Ash by Bulk and Surface Characterization Techniques

Published online by Cambridge University Press:  21 February 2011

M. Bellotto ,
C. Boni ,
A. Caridi ,
E. Cereda ,
C. Chemelli ,
G. M. Braga Marcazzan ,
F. Parmigiani ,
M. Scagliotiti  and
B. Bellagamba
M. Bellotto
Affiliation:
CISE Tecnologie Innovative, P.O.Box 12081, 1-20134 Milan, Italy
C. Boni
Affiliation:
CISE Tecnologie Innovative, P.O.Box 12081, 1-20134 Milan, Italy
A. Caridi
Affiliation:
CISE Tecnologie Innovative, P.O.Box 12081, 1-20134 Milan, Italy on leave from CNEA, Buenos Aires, Argentina
E. Cereda
Affiliation:
CISE Tecnologie Innovative, P.O.Box 12081, 1-20134 Milan, Italy
C. Chemelli
Affiliation:
CISE Tecnologie Innovative, P.O.Box 12081, 1-20134 Milan, Italy
G. M. Braga Marcazzan
Affiliation:
CISE Tecnologie Innovative, P.O.Box 12081, 1-20134 Milan, Italy also Istituto di Fisica Generale Applicata dell'Universita, Milan, Italy
F. Parmigiani
Affiliation:
CISE Tecnologie Innovative, P.O.Box 12081, 1-20134 Milan, Italy
M. Scagliotiti
Affiliation:
CISE Tecnologie Innovative, P.O.Box 12081, 1-20134 Milan, Italy
B. Bellagamba
Affiliation:
ENEL-CRTN Via A.Pisano 120, Pisa, Italy
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Abstract

The application of different characterization techniques to the study of coal fly ash formation and of its behaviour in particulate control devices is discussed. Particle Induced X-ray Emission (PIXE) and Proton Induced Gamma-ray Emission (PIGE) are used for bulk elemental analyses, while X-Ray Photoelectron and Auger Spectroscopies are used for surface elemental analyses. Structural characterization is carried out by powder X-Ray Diffraction and Raman Microfocus Spectroscopy. The effect of different collection efficiencies of electrostatic precipitators on emitted fly ash characteristics is addressed. Furthermore size fractionated fly ash is analyzed to investigate the mechanisms of particle growth.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 178: Symposium W – Fly Ash and Coal Conversion By-Products VI , 1989 , 45
Copyright
Copyright © Materials Research Society 1990

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