Method for the removal of carbon or carbon compounds from a wast

Details Method for the removal of carbon or carbon compounds from a wast Method for the removal of carbon or carbon compounds from a wast

1982-01-21

1983-05-17

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423415A, 423443, 423444, 423577, 252411R, 252416, 210763, C01B 1706, C01B 3118, C01B 3126, B01J 3712

Patent

active

043839835

ABSTRACT:
A method for the removal of carbon or carbon compounds from a waste stream generated in an unsupported slurry catalyst process utilized for the hydroconversion of heavy hydrocarbonaceous black oil which stream comprises vanadium sulfide, nickel sulfide and carbon or carbon compounds is disclosed. The carbon or carbon compound is removed by contacting the waste stream with sulfur dioxide at oxidizing conditions to yield a solid residue which contains metal sulfides.

REFERENCES:
patent: 3622498 (1971-11-01), Stolfa
patent: 3687629 (1972-08-01), Watkins
patent: 3810972 (1974-05-01), Humphrey et al.
patent: 3932595 (1976-01-01), Berthaux et al.
patent: 3961035 (1976-06-01), Mickley
patent: 4280839 (1981-07-01), Tolley et al.

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