Carbonization of oxidized mesophase pitches originating from petroleum and coal tar was examined by thermogravimetry, FT-i.r. spectroscopy, and quantitative analysis of evolved gases. Polymerization and condensation of aromatic rings through loss of aromatic hydrogen are shown to be major chemical r
β¦ LIBER β¦
Comparison between two green cokes obtained from coal tar pitch and petroleum pitch
β Scribed by D. Loustalet; A. Oberlin; M. Moreau
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 678 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0008-6223
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The carbonization of an industrial coal-tar pitch was studied by using a tube bomb, as a function of carbonization temperature (SSOY-SSOOC) and inert gas pressure (l-20 bar), and resultant green cokes were evaluated according to electrical resistivity determined using the Van der Pauw method. At 55O