Gas products and carbon deposition kinetics in chemical vapor deposition from propylene
β Scribed by Cui-ying Lu; Lai-fei Cheng; Li-tong Zhang; Chun-nian Zhao
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 38 KB
- Volume
- 48
- Category
- Article
- ISSN
- 0008-6223
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β¦ Synopsis
instead of the commonly-used alkaline-acid method. The process parameters were optimized. Results showed that the fixed carbon mass fraction achieved by this method could be as high as 99.9% under the optimal conditions while that by the alkaline-acid method was only 85.8%, indicating that the alkaline roastingleaching method was very effective to improve the fixed carbon content of the graphite.
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## Pyrocarbon deposition from propylene and benzene was studied at ambient pressure and 1000Β°C using a vertical hot-wall reactor. Initial partial pressures of the hydrocarbons and residence time were varied; the influence of hydrogen in the feed gas was additionally studied. Gaseous and liquid rea