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Experimental determination of the equivalent mass diffusivity for a porous coal-ash particle

✍ Scribed by Wei Biao Fu; Bai Li Zhang

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
489 KB
Volume
101
Category
Article
ISSN
0010-2180

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✦ Synopsis

Subscripts

c carbon ch char e equivalent O,, 0 oxygen s surface of char as surface of ash particle x surrounding

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Pulverized-coal pyrolysis experiments have been conducted in an inert gas. Ar, under conditions of high heating rate (10~-10 ~ K/s), and high temperature (2000-2800 K). The dry-ash-free (daf) mass loss was calculated on the basis of a seeded-tracer, tungsten carbide powder, and on the basis of a nat