Method of producing a solid secondary raw material containing ca

Details Method of producing a solid secondary raw material containing ca Method of producing a solid secondary raw material containing ca

1990-06-18

1991-03-05

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106708, 106807, C04B 724, C04B 738, C04B 1124

Patent

active

049974866

ABSTRACT:
A method of producing a solid secondary raw material that contains calcium sulfate, comprising mixing a waste hydrocarbon with at least one of a waste sulfuric acid and acid waste sulfuric-acid derivative, and combining the mixture with enough powered limestone or fly ash containing calcium carbonate to ensure that the reaction product will solidify by itself, and with at least enough water to ensure the hydration of the formed calcium sulfate. The product is useful in making Portland cement clinker, or in furnace as a fuel and/or a desulfurization additive.

REFERENCES:
patent: Re31267 (1983-06-01), Edgar et al.
patent: 2655430 (1953-10-01), Schiermeier
patent: 3855391 (1974-12-01), Selmeczi et al.
patent: 3870535 (1975-03-01), Minnick et al.
patent: 3929416 (1975-12-01), Tanaka et al.
patent: 4108677 (1978-08-01), Valiga
patent: 4136998 (1979-01-01), Bassier et al.
patent: 4375986 (1983-03-01), Pichat

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