Basic study on treatment of waste polyvinyl chloride plastics by hydrothermal decomposition in subcritical and supercritical regions

Journal of Supercritical Fluids

Volumn 31, Issue 2, 2004, Pages 185-193

  Takeshita, Yukitoshi ^a   Kato, Kiyoshi ^a   Takahashi, Kazue ^a   Sato, Yoshiyuki ^b   Nishi, Shiro ^a  

^a NTT CORPORATION   (Japan)

^b NTT Advanced Technology Corporation   (Japan)

Author keywords

Dechlorination; Decomposition; Polyvinyl chloride; PVC; Supercritical and subcritical regions; Waste plastics

Indexed keywords

ACETONE; ALIPHATIC COMPOUND; ALKANE DERIVATIVE; ALKENE DERIVATIVE; AROMATIC COMPOUND; BENZENE; BENZENE DERIVATIVE; PHENOL; PLASTIC; POLYENE; POLYVINYLCHLORIDE; WATER;

ARTICLE; CHLORINATION; COMBUSTION; DECHLORINATION; DECOMPOSITION; ENTHALPY; ENVIRONMENTAL PROTECTION; GAS; LIQUID; MOLECULAR WEIGHT; SOLID; SUPERCRITICAL FLUID; TECHNIQUE; TEMPERATURE DEPENDENCE; WASTE MANAGEMENT; WATER VAPOR;

EID: 4644305897     PISSN: 08968446     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.supflu.2003.10.006     Document Type: Article

References (22)

1. E.D. Owen, Degradation and Stabilisation of PVC, Elsevier, London, 1984, pp. 1-19.
2. Endo K. Decomposition of polyvinyl chloride by water in high temperature and pressure. Polym. Appl. 50:2001;434-438
3. Enomoto H., Hatakeyama A., Kato S. Dechlorination treatment of polyvinyl chloride. Haikibutsu Gakkai Ronbunshi. 6:1995;16-22
4. Endo K., Emori N. Dechlorination of poly(vinyl chloride) without anomalous units under high pressure and at high temperature in water. Polym. Degrad. Stabil. 74:2001;113-117
5. Winkler D.E. Mechanism of polyvinyl chloride degradation and stabilization. J. Polym. Sci. 35:1959;3-16
6. W.H. Starnes Jr., Developments in Polymer Degradation, vol. 3, Applied Science Publishers, London, 1981, pp. 135-171.
7. Tran V.H., Garrigues C., Nguyen T.P., Molinie P. Medium effects on the thermal dehydrochlorination of poly(vinyl chloride). Polym. Degrad. Stabil. 42:1992;189-203
8. McNeill I.C., Memetea L., Cole W.J. A study of the products of PVC thermal degradation. Polym. Degrad. Stabil. 49:1995;181-191
9. Yamasaki N. Treatment technology of plastic by supercritical water. Waste Resour. 33:1996;8-17
10. Sato Y., Kato K., Takeshita Y., Takahashi K., Nishi S. Decomposition of polyvinylchloride using supercritical water. Jpn. J. Appl. Phys. 37:1998;6270-6271
11. Takahashi K., Sato Y., Kato K., Nishi S. Decomposition of aromatic polyamide using supercritical water. Kobunshi Ronbunshu. 58:2001;697-702
12. 2 containing acetylacetone: extraction of Cu by continuous addition of acetylacetone. Ind. Eng. Chem. Res. 39:2000;4496-4499
13. Takeshita Y., Sato Y. Measurement of copper compound solubility in supercritical carbon dioxide and correlation using a solution model. J. Supercrit. Fluids. 24:2002;91-101
14. 2. Rev. High Press. Sci. Technol. 12:2002;205-210
15. Baum B., Wartman L.H. Structure and mechanism of dehydrochlorination of polyvinyl chloride. J. Polym. Sci. 28:1958;537-546
16. E.D. Owen, Degradation and Stabilisation of PVC, Elsevier, London, 1984, p. 21.
17. Kubatova A., Lagadec A.J.M., Hawthorne S.B. Dechlorination of lindane, dieldrin, tetrachloroethane, trichloroethene, and PVC in subcritical water. Environ. Sci. Technol. 36:2002;1337-1343
18. Kelen T., Ivan B., Nagy T.T., Turcsanyi B., Tüdos F., Kennedy J.P. Reversible crosslinking during thermal degradation of PVC. Polym. Bull. 1:1978;79-84
19. Tsuji T., Ikemoto H., Irita S., Sakai N., Shibata T., Uemaki O., Itoh H. Thermal and catalytic degradation of poly(vinyl chloride). Nihon Kagaku Kaishi. 8:1998;546-550
20. Yoshioka T., Okuwaki A. Chemical recycling of polyvinyl chloride to raw chemicals. Kagaku Kogyo. 45:1994;563-570
21. 5th publication, The Technology and the Regulation of Prevention of Pollution - Atmosphere Air, Japan Environmental Management Association For Industry, 1998, p. 70.
22. W.H. Stranes Jr., Mechanistic aspects of the degradation and stabilization of poly(vinyl chloride), Developments in Polymer Degradation, vol. 3, Applied Science Publishers, London, 1981, p. 153.