Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Patent
1989-09-01
1990-09-18
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
48DIG2, C21B 304
Patent
active
049575449
ABSTRACT:
An ash-containing fuel feedstock comprising petroleum coke and/or heavy liquid hydrocarbonaceous fuel, wherein said ash comprises compounds of V, Ni, and Si in admixture with an iron-containing additive, is subjected to partial oxidation to produce a hot raw effluent stream of synthesis gas, reducing gas, or fuel gas with entrained molten slag. The hot raw effluent gas steam is cooled and coarse slag is separated. The coarse slag is heated to a temperature in the range of about 1900.degree. F. to 2600.degree. F. and above the melting point of said slag while in contact with reducing gas in a thermal reduction zone to produce a molten bath of slag comprising the following separable immiscible phases in wt. %.
REFERENCES:
patent: 2467039 (1949-04-01), Kerschbaum
patent: 3579328 (1971-05-01), Aas
patent: 3753681 (1973-08-01), Vojkovic
patent: 4816236 (1989-03-01), Gardner
Brent Albert
Kulason Robert A.
O'Loughlin James J.
Rosenberg Peter D.
Texaco Inc.
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