Coal briquetting process

Details Coal briquetting process Coal briquetting process

1988-03-07

1988-11-29

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 15R, 44599, C10L 512, C10L 514

Patent

active

047879130

ABSTRACT:
A cold coal briquetting process comprises mixing fine coal with polyvinyl alcohol and a hardening agent selected from iron oxide, phosphate rock and bauxite or combination of two or more thereof. The process permits economies in process and capital costs compared to existing briqueting processes, while still producing satisfactory briquettes.

REFERENCES:
patent: 2110370 (1938-03-01), Lum
patent: 3213169 (1965-10-01), Kardaun et al.
patent: 4156595 (1979-05-01), Scott et al.

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