The effect of a mixed catalytic system on the fluidized-bed gasification of high-ash coal
We have studied the effects of K2CO3, Ni(NO3)2, K3[Fe(CN)6], and combinations of K2CO3 and Ni(NO3)2 in different proportions on fluidized-bed gasification of a typical Indian coal containing 36.7% ash and 30.6% fixed carbon. The temperature range covered was 500 through 800 °C. The results indicate that 10% K2CO3 + 1% Ni(NO3)2 at 700 °C yielded a COCO2 ratio of 1.48 and a (CO + H2)CO2 ratio of 3.0. The energy of activation was reduced to 2.02 Kcal/mole and the calorific value increased to 190 Btu/cuft at 700 °C. The catalytic mixture provided enhancement of gasification rate in a single-step reactor.
Year of publication: |
1986
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Authors: | Vajpeyi, Meenakshi ; Dhirendra ; Awasthi, S.K. ; Pandey, G.N. |
Published in: |
Energy. - Elsevier, ISSN 0360-5442. - Vol. 11.1986, 6, p. 563-572
|
Publisher: |
Elsevier |
Saved in:
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