recent results on the kinetics of coal pyrolysis and hydropyrolysis ...
recent results on the kinetics of coal pyrolysis and hydropyrolysis ...
recent results on the kinetics of coal pyrolysis and hydropyrolysis ...
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Breaking <strong>of</strong><br />
XI. chemical b<strong>on</strong>ds<br />
-slow -<br />
Rearrangement<br />
with <strong>and</strong><br />
a. without - R,. R~+R,*<br />
Formati<strong>on</strong> dissociati<strong>on</strong><br />
<strong>of</strong><br />
111. stable<br />
-fast-<br />
Intermolecular<br />
b. reacti<strong>on</strong>s<br />
-foste.q.<br />
dimerisati<strong>on</strong><br />
Rj*+Rmo - Rj-R,<br />
molecules I<br />
-slow<br />
Fig. 10: Steps <strong>of</strong> <strong>the</strong> primary reacti<strong>on</strong> during <strong>coal</strong> <strong>pyrolysis</strong><br />
Ho Cy2 $H-CH '&-CH$<br />
CY-CH ,?H2<br />
iH-CH2 H s cy-6H-CH2<br />
P'<br />
I<br />
CH, OH<br />
Fig. 11: Model molecule <strong>of</strong> a high volatile bituminous <strong>coal</strong> /14/<br />
11
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