Partial oxidation process

Details Partial oxidation process Partial oxidation process

1984-12-12

1987-04-07

Richman, Barry S.

Gas: heating and illuminating

Processes

Fuel mixtures

48206, 48215, 48DIG7, C10J 300, C10J 346, C10J 366

Patent

active

046557920

ABSTRACT:
An ash fusion temperature reducing agent comprising a comminuted ore mixture of the silicates of iron, calcium, magnesium and aluminum is mixed with an ash containing pumpable liquid hydrocarbonaceous material to produce Mixture A. Mixture A is reacted with a free-oxygen containing gas in a partial oxidation gas generator. A hot raw effluent gas stream comprising H.sub.2 +CO along with molten ash having a reduced ash fusion temperature are produced at a lower temperature. Alternatively, Mixture A may be first introduced into a coking zone and converted into petroleum coke in which the ash fusion temperature reducing agent is dispersed throughout. The petroleum coke is then introduced into the partial oxidation gas generator where the hot raw effluent gas stream comprising H.sub.2 +CO is produced along with molten petroleum coke ash having a reduced ash fusion temperature. The molten ash is readily separated from the effluent gas stream and the gas generator may be operated at a lower temperature thereby extending the life of the refractory lined reaction zone.

REFERENCES:
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patent: 2965461 (1960-12-01), Walker
patent: 2971830 (1961-02-01), Kawai et al.
patent: 4060478 (1977-11-01), Lang
patent: 4219402 (1980-08-01), DeGeorge
Lowry, "Chemistry of Coal Utilization", vol. 1, pp. 505-524, 1945; supplementary vol., pp. 209, 822, 823, 829, 1963.
Maccormac et al., "The Gasification of Coal in an Experimental Rummel Double-Shaft Slag-Bath Gasifier", I.G.E. Journal, May 1965, pp. 385-399.
Sheludyakov et al., "Viscosity of Homogeneous Melts of Calcium Oxide-Aluminum Oxide-Silicon Dioxide-Ferrous Oxide-Magnesium Oxide Systems", Chemical Abstracts 99: 90314b, (1983).

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