Stable aqueous suspensions of slag, fly-ash and char

Details Stable aqueous suspensions of slag, fly-ash and char Stable aqueous suspensions of slag, fly-ash and char

1984-11-26

1989-02-28

Dixon, Jr., William R.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

C10L 132

Patent

active

048081949

ABSTRACT:
A pumpable aqueous suspension of slag, fly-ash, char, and mixtures thereof which contains a surfactant and has a reduced viscosity and increased resistance to sedimentation. The aqueous suspension is produced by quench cooling and/or scrubbing a raw effluent gas stream from the partial oxidation of solid carbonaceous fuel. It may have a solids content of about 1.0 to 50.0 weight percent. The surfactant comprises an anionic or nonionic adduct of an alkyl phenol and polyoxyethylene or polyoxypropylene. In one embodiment, a solid carbonaceous fuel is wet ground with the aforesaid aqueous suspension and make-up water, if any, to produce a stable aqueous slurry feed to the partial oxidation gas generator.

REFERENCES:
patent: 4094810 (1978-06-01), Thomas
patent: 4104035 (1978-08-01), Cole et al.
patent: 4145189 (1979-03-01), Solbakken
patent: 4304572 (1981-12-01), Wiese et al.
patent: 4392865 (1983-07-01), Grosse et al.
patent: 4443230 (1984-04-01), Stellaccio
patent: 4475924 (1984-10-01), Meyer
patent: 4478603 (1984-10-01), Mark

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