Coal combustion: Effect of process conditions on char reactivity. Final technical report, September 1, 1991--May 31, 1995 Page: 3 of 130
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CHAPTER 3: EFFECT OF PYROLYSIS CONDITIONS ON
PARTICLE SWELLING AND
DEVOLATILIZATION RATES
3.1 INTRODUCTION .............................................................................................3.1
3.2 EFFECT OF PYROLYSIS HEATING RATE..................................................3.2
3.3 PARTICLE SIZE.................................................................................................3.6
3.4 PYROLYSIS ATMOSPHERE...........................................................................3.7
3.5 COAL RANK.....................................................................................................3.8
REFERENCES....................................................................................................3.9
CHAPTER 4: EFFECT OF PROCESS CONDITIONS ON CHAR
REACTIVITY
4.1 REACTIVITY IN THE KINETIC CONTROL REGIME..............................4.1
4.1.1 Char reactivity in the kinetic control regime is
only affected by the final heat treatment temperature
and not by the pyrolysis heating rate, pyrolysis atmosphere
or coal particle size................................................................................4.1
4.1.2 Measurement of kinetic parameters.................................................4.2
4.2 TRANSITION TO THE REGIME OF
DIFFUSIONAL LIMITATIONS.....................................................................4.3
4.3 REACTIVITY WITH DIFFUSIONAL LIMITATIONS..............................4.4
4.3.1 Effect of oxygen concentration...........................................................4.4
4.3.2 Effect of pyrolysis heating rate............................................................4.5
4.3.3 Effect of particle size .............................................................................4.7
4.3.4 Effect of heat treatment temperature................................................4.7
4.3.5 Effect of pyrolysis atmosphere............................................................4.7
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Zygourakis, K. Coal combustion: Effect of process conditions on char reactivity. Final technical report, September 1, 1991--May 31, 1995, report, February 1996; United States. (https://digital.library.unt.edu/ark:/67531/metadc670922/m1/3/: accessed April 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.