Method of solid-state pyrolysis of organic polymeric substances

Details Method of solid-state pyrolysis of organic polymeric substances Method of solid-state pyrolysis of organic polymeric substances

1981-05-01

1982-10-12

Garris, Bradley

Distillation: processes, thermolytic

Feed other than coal, oil shale or wood

201 44, 252421, 252444, 264 296, 264 297, 423449, C01B 3102, C10B 4716, C10B 5300

Patent

active

043537820

ABSTRACT:
The yield of good-quality bodies consisting of vitreous carbon is increased to substantially 100% when the pyrolysis is performed in a reaction vessel in which a collecting container or a collecting disc for the condensable volatile decomposition products which is open at its upper side is arranged above the polymeric substances to be pyrolyzed. The collecting disc divides the interior of the reaction vessel into two parts, a passage for gases remaining between the upper part and the lower part. During the pyrolysis, a spatial temperature distribution is adjusted in the reaction vessel which results in a pulsating evaporation and condensation of the decomposition products, so that the decomposition products are completely removed.

REFERENCES:
patent: 3829558 (1974-08-01), Banks et al.
patent: 3849332 (1974-11-01), Bailey et al.
patent: 4050991 (1977-09-01), Kautz
patent: 4074979 (1978-02-01), Kurisu et al.
patent: 4203804 (1980-05-01), Janning et al.
patent: 4284616 (1981-08-01), Solbakken et al.

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