Artigo
Comparison of polymers and ceramics in new and discarded electrical insulators: reuse and recycling possibilities
Registro en:
Materia-rio De Janeiro. Rio De Janeiro Rj: Univ Fed Rio De Janeiro, Lab Hidrogenio, v. 18, n. 4, p. 1549-1562, 2013.
1517-7076
10.1590/S1517-70762013000400015
S1517-70762013000400015
WOS:000340431700014
0000-0002-4287-1969
Autor
Mantovani, Vanessa Alves [UNESP]
Franco, Camila Silva
Mancini, Sandro Donnini [UNESP]
Haseagawa, Haroldo L.
Gianelli, Bruno Fernando
Batista, Vladimir Xavier
Rodrigues, Luciane Lopes
Resumen
The expansion and maintenance of electricity distribution networks generates large amounts of waste, much of it in the form of discarded insulators that are not reused or recycled. This paper describes the results of tests on used and new ceramic and polymeric insulators to verify if their exposure to weathering justifies their replacement. In new and used ceramic insulators, properties such as contact angle, relative density, porosimetry, dilatometry and X-ray diffraction patterns showed no differences or the differences that were found could not be related to their use. The discarded ceramic material showed high thermal stability, an interesting characteristic for application as chamotte. It can also be reused to replace gravel used in substations. In polymeric insulators, thermogravimetry, differential scanning calorimetry and relative density test results suggest degradation of used material compared to new. This would justify their replacement and discard as waste, but they show little recycling potential. Agencia Nacional de Energia Eletrica (ANEEL, Brazil) Univ Estadual Paulista Julio de Mesquita Filho UN, BR-18087180 Sorocaba, SP, Brazil Univ Fed Lavras UFLA, Dept Engn, Nucleo Didat Cient Agua & Solo, BR-37200000 Lavras, MG, Brazil Univ Sorocaba UNISO, BR-18023000 Sorocaba, SP, Brazil Inst Fed Educ Ciencia & Tecnol Sao Paulo IFSP, BR-18202000 Itapetininga, SP, Brazil AES Eletropaulo, BR-01519000 Sao Paulo, Brazil Fac Tecnol FATEC, BR-18013900 Sorocaba, SP, Brazil Univ Estadual Paulista Julio de Mesquita Filho UN, BR-18087180 Sorocaba, SP, Brazil ANEEL: 0390-005/2007