Continuous vacuum microwave rubber crumb reclamation unit

Details Continuous vacuum microwave rubber crumb reclamation unit Continuous vacuum microwave rubber crumb reclamation unit

1995-05-01

1996-11-26

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

521 41, 521 455, 523300, 523340, 264102, 241 23, 4251744, 209930, C08C 302, C08C 200

Patent

active

055787002

ABSTRACT:
The invention provides an apparatus and method of its use, for recovering either devulcanized rubber or purified carbon and volatiles from a crumb rubber feed material. The apparatus comprises a chamber; a vacuum pump for providing reduced pressure within the chamber; an inlet for feeding crumb rubber into the chamber; an auger for providing continuous movement of the crumb rubber though the chamber; a battery of microtrons for providing substantially precise energy input into the crumb rubber as it is continuously moved through the chamber by the auger; at least one condenser for recovering volatiles from the crumb rubber after it has been sufficiently heated by said the microtrons; and an outlet for withdrawing either a devulcanized rubber or a purified carbon product residue from the chamber.

REFERENCES:
patent: 4104205 (1978-08-01), Novotny et al.
patent: 5316224 (1994-05-01), Dobozy
patent: 5362759 (1994-11-01), Hunt et al.

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