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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN Imprimir: 1093-3611
ISSN En Línea: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v10.i2.40
pages 207-218

RF THERMAL PLASMA TREATMENT OF WASTE GLASS AND ITS REUTILIZATION IN COMPOSITE MATERIALS

Vittorio Colombo
Università degli Studi di Bologna, Dipartimento di Ingegneria delle Costruzioni Meccaniche, Nucleari, Aeronautiche e di Metallurgia (D.I.E.M.) and C.I.R.A.M., Via Saragozza 8, 40123 Bologna, Italy
Emanuele Ghedini
Università degli Studi di Bologna, Dipartimento di Ingegneria delle Costruzioni Meccaniche, Nucleari, Aeronautiche e di Metallurgia (D.I.E.M.) and C.I.R.A.M., Via Saragozza 8, 40123 Bologna
G. Masini
Università degli Studi di Bologna - Dipartimento di Ingegneria delle Costruzioni Meccaniche, Nucleari, Aeronautiche e di Metallurgia (D.I.E.M.) and Research Center for Applied Mathematics (C.I.R.A.M.), Via Saragozza 8, 40123 Bologna - Italy
D. Russo
Università degli Studi di Bologna - Dipartimento di Ingegneria delle Costruzioni Meccaniche, Nucleari, Aeronautiche e di Metallurgia (D.I.E.M.) and Research Center for Applied Mathematics (C.I.R.A.M.), Via Saragozza 8, 40123 Bologna - Italy
F. Andreola
Università degli Studi di Modena e Reggio Emilia - Dipartimento di Ingegneria dei Materiali e dell'Ambiente (DIMA), Via Vignolese 905, 41100 Modena, Italy
L. Barbieri
Università degli Studi di Modena e Reggio Emilia - Dipartimento di Ingegneria dei Materiali e dell'Ambiente (DIMA), Via Vignolese 905, 41100 Modena, Italy
D. Belviso
Università degli Studi di Modena e Reggio Emilia - Dipartimento di Ingegneria dei Materiali e dell'Ambiente (DIMA), Via Vignolese 905, 41100 Modena, Italy
I. Lancellotti
Università degli Studi di Modena e Reggio Emilia - Dipartimento di Ingegneria dei Materiali e dell'Ambiente (DIMA), Via Vignolese 905, 41100 Modena, Italy
P. Pozzi
Università degli Studi di Modena e Reggio Emilia - Dipartimento di Ingegneria dei Materiali e dell'Ambiente (DIMA), Via Vignolese 905, 41100 Modena, Italy

SINOPSIS

Fluorescent lamps glass powders are sieved in two particle size ranges and are subjected to thermal plasma in-flight treatment by injection into the discharge of a Tekna PL-35 plasma torch and reaction chamber as part of a source operated at 3MHz with a maximum power of 25kW, with Ar as plasma and carrier gas and N2 as sheath gas. The sieved powders and the plasma treated ones have been characterized by powder XRD and particle size analysis in order to verify if the plasma treatment can induce modification in the mineralogical and physical characteristics. The spherical shape of the particles have been analyzed by scanning electron microscopy. Moreover, this technique has allowed to verify if the plasma treatment can induce modification of the (qualitative) chemical composition of the powder.
Results for various operating conditions and injection probe positions are presented. The spherical powders have been then introduced in thermoplastic polymer (polypropylene) in place of glass spheres usually used, and the results are compared to each others. The samples are characterized by mechanical tests (flexural strength) and microstructural analysis (SEM) in order to verify the differences in materials properties obtainable by mean of conventional and plasma assisted processes.


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