Steam treatment of vulcanized-scrap-rubber pyrolysis char
scrap rubber is pyrolyzed in the substantial absence of air and treated with steam. The steam treatment can be carried out simultaneously with the pyrolysis or subsequently or it may be carried out both in part simultaneously with the pyrolysis and subsequently. Different products are obtained.
Latest The Firestone Tire & Rubber Company Patents:
Description
Patent History
Patent number: T965002
Type: Grant
Filed: Feb 7, 1977
Date of Patent: Dec 6, 1977
Assignee: The Firestone Tire & Rubber Company (Akron, OH)
Inventors: Grant Crane (Akron, OH), Edward L. Kay (Akron, OH)
Application Number: 5/766,834
Type: Grant
Filed: Feb 7, 1977
Date of Patent: Dec 6, 1977
Assignee: The Firestone Tire & Rubber Company (Akron, OH)
Inventors: Grant Crane (Akron, OH), Edward L. Kay (Akron, OH)
Application Number: 5/766,834
Classifications
Current U.S. Class:
252/421;
106/307;
Feed Other Than Coal, Oil Shale Or Wood (201/25);
Feed Other Than Coal, Oil Shale Or Wood (201/25);
252/445;
423/445;
423/449;
260/4247;
260/763
International Classification: C01B 3110; B01J 2118;
International Classification: C01B 3110; B01J 2118;
