In situ ESEM study of the thermal decomposition of chrysotile asbestos in view of safe recycling of the transformation product

Journal of Hazardous Materials

Volumn 156, Issue 1-3, 2008, Pages 260-266

  Gualtieri, Alessandro F ^a   Gualtieri, Magdalena Lassinantti ^a   Tonelli, Massimo ^a  

^a UNIVERSITY OF MODENA AND REGGIO EMILIA   (Italy)

Author keywords

Asbestos; Cement asbestos; Chrysotile; Dehydroxylation; In situ ESEM; Pressure

Indexed keywords

OPTIMIZATION; PRESSURE EFFECTS; PYROLYSIS; REACTION KINETICS; SCANNING ELECTRON MICROSCOPY;

CHRYSOTILE; DEHYDROXYLATION;

ASBESTOS;

CEMENT; CHRYSOTILE; MAGNESIUM SILICATE;

ASBESTOS; OPTIMIZATION; PRESSURE EFFECTS; PYROLYSIS; REACTION KINETICS; SCANNING ELECTRON MICROSCOPY;

ASBESTOS; CEMENT; DEHYDROXYLATION; HELIUM; OPTIMIZATION; PRESSURE; REACTION KINETICS; RECYCLING; SCANNING ELECTRON MICROSCOPY; SILICATE; THERMAL DECOMPOSITION; WATER VAPOR;

ARTICLE; CHEMICAL REACTION KINETICS; CRYSTALLIZATION; DECOMPOSITION; HYDROXYLATION; RECYCLING; SCANNING ELECTRON MICROSCOPY; TEMPERATURE; WATER VAPOR;

ASBESTOS, SERPENTINE; CONSERVATION OF NATURAL RESOURCES; MICROSCOPY, ELECTRON, SCANNING; X-RAY DIFFRACTION;

EID: 44649136196     PISSN: 03043894     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jhazmat.2007.12.016     Document Type: Article

References (19)

1. Doll R. Mortality from lung cancer in asbestos workers. Br. J. Ind. Med. 12 (1955) 81-86
2. Selikoff I.J., Churg J., and Hammond E.C. Asbestos exposure and neoplasia. JAMA 188 (1964) 22-26
3. Paglietti F., Zamengo L., Polizzi S., Giangrasso M., and Fasciani G. Trattamento dei percolati delle discariche per RCA: sperimentazione per una corretta depurazione. Atti del Congresso L'Industria e l'amianto I nuovi materiali e le nuove tecnologie a dieci anni dalla Legge 257/1992. Rome, November 26-28 (2002) 229-249
4. Gualtieri A.F., Cavenati C., Zanatto I., Meloni M., Elmi G., and Lassinantti Gualtieri M. The transformation sequence of cement-asbestos slates up to 1200 °C and safe recycling of the reaction product in stoneware tile mixtures. J. Hazard. Mater. 152 (2008) 563-570
5. Gualtieri A.F., and Tartaglia A. Thermal decomposition of asbestos and recycling in traditional ceramics. J. Eur. Ceram. Soc. 20 (2000) 1409-1418
6. Leonelli C., Veronesi P., Boccaccini D.N., Rivasi M.R., Barbieri L., Andreola F., Lancellotti I., Rabitti D., and Pellacani G.C. Microwave thermal inertisation of asbestos containing waste and its recycling in traditional ceramics. J. Hazard. Mater. B 135 (2006) 149-155
7. Boccaccini D.N., Leonelli C., Rivasi M.R., Romagnoli M., Veronesi P., Pellacani G.C., and Boccaccini A.R. Recycling of microwave inertised asbestos containing waste in refractory materials. J. Eur. Ceram. Soc. 27 (2007) 1855-1858
8. Italian Decree D.M. 29/07/2004, no. 248, G.U. 05/10/2004, no. 234 "Rules and Regulations regarding the determination and management of the recycling activities of the asbestos and asbestos containing products".
9. Italian law Nr. 257, March 27, 1992, "Rules and Regulations regarding the termination of the use of asbestos".
10. European Patent EP,069,655,3A1.
11. Italian Decree D.M. 12/2/1997 "Standards for the validation of the substitutes of asbestos".
12. Martin C.J. The thermal decomposition of chrysotile. Mineral. Mag. 41 (1977) 453-459
13. 25Mg MAS NMR study. Am. Mineral. 79 (1994) 43-50
14. Ernst W.G., and Wai C.M. Mössbauer infrared, X-ray and optical study of cation ordering and dehydrogenation in natural and heat-treated sodic amphiboles. Am. Mineral. 55 (1970) 1226-1258
15. Gualtieri A.F., Levy D., Belluso E., and Dapiaggi M. Kinetics of the decomposition of crocidolite asbestos: a preliminary real-time X-ray powder diffraction study. Mater. Sci. Forum 443-444 (2004) 291-294
16. Cattaneo A., and Gualtieri A.F. Kinetic study of the dehydroxylation of chrysotile asbestos with temperature by in situ XRPD. Phys. Chem. Miner. 30 (2003) 177-183
17. Gregori G., Kleebe H.-J., Siegelin F., and Ziegler G. In situ SEM imaging at temperatures as high as 1450 °C. J. Electron Microsc. 51 (2002) 347-352
18. Brindley G.W., Sharp J.H., Patterson J.H., and Narahari Achar B.N. Kinetics and mechanism of dehydroxylation processes. I. Temperature and vapor pressure dependence of dehydroxylation of kaolinite. Am. Mineral. 52 (1967) 201-211
19. Brindley G.W., Narahari Achar B.N., and Sharp J.H. Kinetics and mechanism of dehydroxylation processes. II. Temperature and vapor pressure dependence of dehydroxylation of serpentine. Am. Mineral. 52 (1967) 1697-1705