The effects of temperature and steam concentration on Spheron-6 carbon black with and without impregnated K&O, and diluted with alumina have been measured by in-situ electron spin resonance (esr.). For samples in flowing helium, heating from 290 to 1070 K results in a small increase in the carbon bl
Effects of catalysts and CO2 gasification on the e.s.r. of carbon black
β Scribed by Kenneth M. Sancier
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 875 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0016-2361
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Kinetic rate measurements of the hydrogen gasification of a graphiticed carbon black at 865Β°C and 500 psig hydrogen are reported for K,CO, loadings of 0, 1, 5 and 10 wt. %. Potassium loss was measured during reaction; surface area and catalyst loading of residual samples were measured after experime
The effects of various metals on gasification rate and the composition of the evolved gas during the steam gasification of carbons have been examined in detail. Three metal salts (K,CO,, Na,CO,, CaCO,) and two metal oxides (Fe,O,, Ni,O,) were supported on two kinds of carbonaceous material (coconut
The deposition of carbon from CH\* and CO on Ni/SiOz catalysts was studied in pulse-flow experiments as well as volumetrically with a low-field magnetic permeameter. It was found that carbon, deposited from CH\* according to: CH, -+ C + 4H, gave rise to the formation of nickel carbide, N&C, only at