Mineral oils: processes and products – Refining
Patent
1980-02-19
1982-01-26
Gantz, Delbert E.
Mineral oils: processes and products
Refining
208 8LE, C10G 100
Patent
active
043127479
ABSTRACT:
A process for deashing primary coal liquids with a selective multi-solvent extraction wherein the coal liquids and a primary solvent are contacted initially at a temperature greater than the temperature at which the deashing extraction occurs.
REFERENCES:
patent: 3583900 (1971-06-01), Gatsis
patent: 4090958 (1978-05-01), Leonard
patent: 4225420 (1980-09-01), Rhodes
Cutts, Jr. John G.
Gantz Delbert E.
Hoatson Jr. James R.
Leader William
Page II William H.
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