Pyrolysis 08
Pyrolysis 08 : Generally defined, pyrolysis is physical and chemical decomposition by heat. Since the organic nature and structure of commonly combustible fuels vary, the process varies. When heated, organic compounds, such as wood, are subject to complex deterioration to simpler compounds which progressively may become more volatile and therefore more flammable than the previous structure. The heating need not occur in the form of apparent flaming combustion; it may be accomplished by exposure to steam pipes, electrical heat producing sources, or inert gases. Pyrolysis has occurred in wood framing in sealed walls where adjacent heat producing steam pipes have gradually carbonized (pyrolyzed) the wood framing over the years. The process will ultimately produce flaming combustion. At the other end of the time spectrum, the phenomenon may occur in a relatively short period of time
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