Conversion of waste rubber to fuel and other useful products

Details Conversion of waste rubber to fuel and other useful products Conversion of waste rubber to fuel and other useful products

1975-01-31

1976-12-07

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 62, 208 9, 260711, 423453, C10L 548, C10G 106

Patent

active

039960226

ABSTRACT:
Heretofore waste rubber, a substantial amount of it in the form of used automobile tires, has been buried, burned, or otherwise disposed of in manners and by means totally inconsistent with good ecological practices and considerations. Now, such waste or scrap rubber, both natural and synthetic, can readily be converted in the presence of molten acidic halide Lewis salt catalysts to useful products, including fuels comprising a naptha-like oil, a burnable solid carbonaceous material, and a mixture of gases. The most promising salts are zinc chloride, tin chloride, and antimony iodide. Also, an extremely active catalyst can be prepared by adding up to about 60 percent by weight of sodium chloride to the zinc chloride catalyst. The burnable carbonaceous material has been shown to be a carbon black of moderate quality and is believed to be suitable for reuse in tires if blended with high-quality fresh carbon black.

REFERENCES:
patent: 2567802 (1951-09-01), Carr et al.
patent: 2610925 (1952-09-01), Staten
patent: 2701268 (1955-02-01), Dasher
patent: 3704108 (1972-11-01), Alpert
patent: 3736250 (1973-05-01), Berg et al.
patent: 3790469 (1974-02-01), Loth et al.

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