Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1986-03-10
1987-08-18
Dixon, Jr., William R.
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
C10L 132
Patent
active
046874909
ABSTRACT:
According to the present invention there is provided a process for producing a low viscosity, stable coal-water fuel slurry by controlling the concentration of soluble inorganic salts in the coal-water fuel slurry. The process of the present invention comprises determining the soluble ion content of a coal; treating the coal to control the soluble ion content thereof by removing soluble ions from the coal or adding a soluble inorganic salt or electrolyte to the coal; and admixing the coal with a dispersant, a base and water to produce a coal-water fuel slurry comprising 60-75% by weight coal and having a total hardness of 100 ppmc to 1000 ppmc, preferably 200 ppmc to 600 ppmc, expressed as Ca.sup.2+ ion concentration.
REFERENCES:
patent: 2842319 (1958-07-01), Reerink
patent: 4132365 (1979-01-01), Verschuur
patent: 4217109 (1980-08-01), Siwersson
patent: 4248698 (1981-02-01), Keller, Jr.
patent: 4536187 (1985-09-01), Hansen et al.
patent: 4552568 (1985-11-01), Igarashi et al.
Heaton, III Harley L.
Lippold, Jr. Joseph H.
McHale Edward T.
Skolnik Edward G.
Atlantic Research Corporation
Dixon Jr. William R.
Medley Margaret B.
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