Pulverized char combustion in a laboratory scale furnace. [16 refs]
Conference
·
· Am. Chem. Soc., Div. Fuel Chem., Prepr.; (United States)
OSTI ID:7264738
A number of low-volatile-matter content fuels have been burned in a plane-flame laboratory furnace, with the fuels exhibiting combustion characteristics ranging from those similar to anthracite coals to those very nearly like bituminous coal. The chars tested to date have fallen into two groups according to reactivity and related combustion performance. The information available about the chars tested indicates that the highly reactive chars possess much larger accessible surface areas than the unreactive chars. Method of char preparation seems to be the most important factor determining resultant char reactivity, with parent coal rank also having considerable influence. In the experiments performed in this laboratory, no supplementary fuel or air preheat was utilized. Experiments performed elsewhere have previously needed air preheat and/or supplementary fuel to stabilize flames using some of the same chars. Information concerning the relative combustion performance of a char and an anthracite coal, as derived from plane-flame furnace experiments conducted in this laboratory, has already been applied with success to an anthracite burning utility boiler. The question of whether a given char can be burned in existing bituminous coal boilers without modifications is critical to the economic feasibility of planned coal gasification and liquefaction plants.
- Research Organization:
- Pennsylvania State Univ., University Park
- OSTI ID:
- 7264738
- Conference Information:
- Journal Name: Am. Chem. Soc., Div. Fuel Chem., Prepr.; (United States) Journal Volume: 20:3
- Country of Publication:
- United States
- Language:
- English
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