Process for the regeneration of an additive used to control emis

Details Process for the regeneration of an additive used to control emis Process for the regeneration of an additive used to control emis

1987-12-16

1989-05-23

Dixon, Jr., William R.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44622, 44624, 44627, 201 17, 423511, 431 3, 431 4, 431 8, 431 12, 252312, C10L 132

Patent

active

048327018

ABSTRACT:
A regenerating process comprises leaching a combustion ash with water so as to dissolve same and form a pregnant leach liquor containing the additive which is separated from the solid residue. The pregnant leach liquor is thereafter adjusted with a base precipitating agent so as to precipitate a compound of the additive which is then recovered by liquid solid separation. The process of the present invention is particularly useful for regenerating said recycling sulfur capturing additives used in hydrocarbon formulations which are burned as fuels, particularly, hydrocarbon in water emulsions formed from viscous hydrocarbon materials characterized by high sulfur and metals contents.

REFERENCES:
patent: 3036901 (1962-05-01), Sanders
patent: 3514273 (1970-05-01), Lee et al.
patent: 3948617 (1976-04-01), Withorn
patent: 3960513 (1976-06-01), Agarwal et al.
patent: 4226601 (1980-10-01), Smith
patent: 4396397 (1983-08-01), Kugel et al.
patent: 4481015 (1984-11-01), Lusch et al.
patent: 4512774 (1985-04-01), Myers et al.
patent: 4526588 (1985-07-01), Lusch et al.
patent: 4566394 (1986-01-01), Boris et al.

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