Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1976-04-26
1977-07-05
Dees, Carl F.
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
44 6, C10L 900, C10L 1000, C10L 910
Patent
active
040337294
ABSTRACT:
A high proportion of the inorganic materials, (ash) content is removed from coal by providing the coal as a suspension with a liquid hydrocarbon oil, mixing an aqueous agglomerating liquid comprising water with the suspension, mixing a particulate material having a hydrophilic surface that is readily wetted by liquid water with the suspension, agitating the suspension to agglomerate the ash, and then separating the ash from the remainder. The particulate material having a hydrophilic surface may be ash, agglomerated silica flour, coarse silica chips, limestone or peat moss, and a binder for the ash may be dispersed or dissolved in the aqueous agglomerating liquid. In some instances the coal may be initially in the form of an aqueous suspension, and the coal can either be agglomerated from the suspendant by using a portion of the liquid hydrocarbon oil and then adding the remainder, or filtered therefrom and then the filter cake mixed with the liquid hydrocarbon oil.
REFERENCES:
patent: 1420165 (1922-06-01), Trent
patent: 3932145 (1976-01-01), Foulkes
Capes Charles E.
Germain Rene J.
McIlhinney Allan E.
Puddington Ira E.
Sirianni Aurelio F.
Canadian Patents and Development Limited
Dees Carl F.
Lemon Francis W.
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