NDLI: Experimental study on gasification of bituminutesous coal char with CO2 catalysed by CaO

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Experimental study on gasification of bituminutesous coal char with CO2 catalysed by CaO

Content Provider	Scilit
Author	Suo, X. L. Song, Y. Sheng, J. G.
Copyright Year	2019
Description	Journal: Iop Conference Series: Earth and Environmental Science The effects of CaO under normal pressure and CaO soaked in ammonia on the isothermal gasification of Jinjie bituminous coal $char-CO_{2}$ are studied on the self-built fixed-bed experimental bench with analytical pure CaO as the precursor. The experimental results show that the gasification activity of Jinjie coal char increases with the increase of Ca addition. The load saturation is 5% at 780°C gasification temperature, and the load saturation are 3% at 810°C, 850°C and 900°C. Adding 3% CaO coal char can reduce the gasification temperature by 120°C, and reduce the coal char conversion rate to 95% by 85 min at 900°C gasification temperature. After soaking in ammonia water, the gasification activity of coal char and the gasification activity of coal char added with CaO catalyst are increased to different degrees. At 850°C, the increase of K value and Rm reach the maximum when CaO catalyzes coal char gasfication by ammonia immersion, which are 49.7% and 35.9%, respectively.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/354/1/012036/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/354/1/012036
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	354
Language	English
Publisher	IOP Publishing
Publisher Date	2019-10-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Applied Chemistry Energy and Fuel Technology Coal Char Gasification Activity Gasification Temperature
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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