CHARACTERISTICS OF RESIDUAL CARBON
DERIVED FROM THE COMBUSTION OF VACUUM
RESIDUE IN A TEST FURNACE |
Ho Young Park†, and Sang Il Seo |
Power Generation Laboratory, Korea Electric Power Research Institute, 103-16 Munji-Dong, Yusung-Gu, Daejon 305-380, South Korea |
Corresponding Author:
Ho Young Park ,Tel: +82-42-865-5498, Fax: +82-42-865-7573, Email: hypark@kepri.re.kr |
Received: March 19, 2007; Accepted: June 19, 2007. |
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ABSTRACT |
The characteristics of carbonaceous particles collected from the combustion of Vacuum Residue
(VR) in a test furnace have been investigated. The physical and chemical characterization includes particle
size, scanning electron microscopy of the surface structure, measurement of porosity, surface area and
density, EDX/XRD analyses and measurement of chemical composition. The studies show that the carbonaceous
VR particles are very porous and spheroidal, and have many blow-holes on the surface. The
particles become smaller and more sponge-like as the reaction proceeds. The present porosity of VR particles
is similar to that of cenospheres from the combustion of heavy oil, and the majority of pores are
distributed in macro-pores above 0.03 μm in diameter. Measurements of pore distribution and surface area
showed that the macro-pores contributed most to total pore volume, whereas the micro-pores contributed to
total surface area. |
Keywords:
Density | Porosity | SEM | Surface area | Vacuum residue |
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