Method of reclaiming carbonaceous materials from scrap tires...

Details Method of reclaiming carbonaceous materials from scrap tires... Method of reclaiming carbonaceous materials from scrap tires...

2011-06-14

2011-06-14

Seidleck, James (Department: 1765)

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

C423S44500R, C423S449100, C423S449200, C423S449600, C423S461000, C422S150000, C422S156000, C422S164000, C110S267000, C110S10400A, C521S040000, C521S040500, C521S041000, C521S045500, C585S240000, C585S241000

Reexamination Certificate

active

07959890

ABSTRACT:
The invention relates to recycled rubber produced by a process comprising the steps of: a) shredding cleaned rubber tires into shreds less than 2″ long; b) pyrolyzing the shreds in a reaction chamber of a thermal processor in a first anaerobic environment to produce a char; c) drawing off volatile organics from the reaction chamber; c) removing the char from the reaction chamber; d) cooling the char in a second anaerobic environment; e) removing metal and textile components from the char to obtain pyrolytic carbon black; f) milling and sizing the pyrolytic carbon black so obtained into particles of 325 mesh size or smaller; and, g) utilizing the pyrolytic carbon black from the previous step in a polymerization process that produces said recycled rubber. It also relates to the high quality pyrolytic carbon black recovered from this process.

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