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Method of Production of Soot from Rubber Waste

[Category : - OTHER]
[Viewed 212 times]

Scrap rubber is decomposed in a reactor. The decomposition products are separated into gaseous products and carbon residue. The gaseous products are heated to 1200-1300° C. to decomposition primarily resins and asphaltenes, oil is isolated, atomized to a droplet size of 0.2-2.0 mm, mixed in a ratio of 1:(0.05-3.0) with the carbon residue, which is ground to 0.1-1.0 mm, and thermally decomposed into carbon black with an atomic hydrogen-to-carbon ratio (H:C) in the range of 0.02-0.07 and gases. Ash and volatile compounds are removed from the carbon residue. Carbon black is separated from the ash. The heat given off during combustion of part of the oil is spent on the formation of carbon black, the flash heating of the carbon residue and the removal of volatile substances therefrom, said volatile substances being subjected to intensive heating in the absence of oxygen using heated carbon black particles and oil combustion products.

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