| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a thermal decomposition method and a thermal decomposition apparatus for a polymer waste, improved in productivity without decreasing the reinforcement characteristics etc. of carbon black recovered from the polymer waste. <P>SOLUTION: When the polymer waste is pyrolyzed, a circulating flow is applied to the polymer waste in a heating process of the second time or later among at least two or more heating processes. <P>COPYRIGHT: (C)2012,JPO&INPIT |
