Dry process for speedy and continuous recycling discarded rubber

Details Dry process for speedy and continuous recycling discarded rubber Dry process for speedy and continuous recycling discarded rubber

1993-06-04

1994-04-19

Tapolcai, William E.

Furnaces

Process

F23B 700

Patent

active

053036611

ABSTRACT:
A dry process for speedy and continuous treatment of discarded or used rubber waste is disclosed wherein discarded rubber waste is pulverized into particles of 20-40 mesh and is transmitted to an air tight vessel in which the pulverized rubber waste is indirectly preheated at a temperature between 100.degree.-200.degree. C.; and is then delivered to a fast reactor in which many additives, such as process oil, minerals, rosin and zeolite, are blended with the pulverized rubber waste. The mixture is further stirred by way of a motor to permit the process oil to effectively penetrate into the pulverized rubber waste; and is finally refined to get useful recycled rubber material.

REFERENCES:
patent: 4387652 (1983-06-01), Cooke et al.
patent: 5069145 (1991-12-01), Croke
patent: 5226375 (1993-07-01), Fukuda

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