Effect of argon and nitrogen atmospheres and cracking catalyst on flash pyrolysis of Makum coal
โ Scribed by Nara N. Banerjee; Banikar Ghosh; Chembumkulam S.B. Nair
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 265 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0016-2361
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โฆ Synopsis
Makum coal (Assam) was subjected to flash pyrolysis at a temperature of about 1150ยฐC for 30 s in vacua and under various pressures of nitrogen and argon. In a few cases pyrolysis was carried out in the presence of some cracking catalysts. Both the pyrolytic atmosphere and the quenching temperature play a significant role in favouring higher yields of olefins.
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The distribution of gaseous products from the laser irradiation of Pittsburgh seam (hvab) coal in various atmospheres was studied by mass spectrometry. The acetylene content of the gas was increased by the presence of argon and nitrogen, and reduced by the presence of helium. The acetylene content o