Mineral oils: processes and products – Phenolic or toxic oils
Patent
1976-12-29
1978-03-28
Gantz, Delbert E.
Mineral oils: processes and products
Phenolic or toxic oils
210 54, C10G 106
Patent
active
040813606
ABSTRACT:
A method for suppressing asphaltene formation during coal liquefaction utilizing a hydrogenated coal solvent having been hydrogenated to remove at least about 80% of the asphaltenes which yields as the primary product a mixture of liquid and solids, a part of which is suspended in the liquid. The solids are effectively removed with a minimum loss of desired product and suppressed asphaltene formation by means of a light aromatic solvent in combination with a hydrogenated coal oil solvent having been hydrogenated to remove at least about 80% of the asphaltenes.
REFERENCES:
patent: 2476999 (1949-09-01), Orchin
patent: 3505203 (1970-04-01), Nelson
patent: 3598718 (1971-08-01), Gleim et al.
patent: 3607716 (1971-09-01), Roach
patent: 3607718 (1971-09-01), Leaders et al.
patent: 3997425 (1976-12-01), Gatsis et al.
Gatsis John G.
Tan Gim
Cutts, Jr. John G.
Gantz Delbert E.
Hellwege James W.
Hoatson Jr. James R.
Page II William H.
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