Partial oxidation of ash-containing liquid hydrocarbonaceous and

Details Partial oxidation of ash-containing liquid hydrocarbonaceous and Partial oxidation of ash-containing liquid hydrocarbonaceous and

1987-05-04

1988-11-29

Shippen, Michael L.

Compositions

Gaseous compositions

Carbon-oxide and hydrogen containing

48197R, 48DIG2, 204 25, 204 26, 204 39, 204147, 2041807, 2041815, C07C 336

Patent

active

047880031

ABSTRACT:
This invention pertains to the use of an ash-removal additive in the production of hot raw gaseous mixtures comprising H.sub.2 +CO and containing entrained molten slag by the partial oxidation of a feedstock comprising a heavy liquid hydrocarbonaceous fuel having a nickel and vanadium-containing ash or petroleum coke having a nickel and vanadium-containing ash. Sticking and build-up of molten slag on the surfaces of a steel quench ring and heat exchanger which may be contacted by the molten slag entrained in the hot raw effluent gas stream is prevented by the high temperature electrodeposition of a protective metal e.g. aluminum or titanium. The protective metal is electrodeposited from an electrolytic bath comprising molten fluorides and diffuses beneath the surface and forms an alloy or solid solution with the subsurface metal.

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patent: 4668429 (1987-05-01), Najjar

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