Process for producing coal-water slurry at high concentration

Details Process for producing coal-water slurry at high concentration Process for producing coal-water slurry at high concentration

1986-07-18

1988-05-24

Bell, Mark L.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

252312, 2523151, 252353, C10L 132

Patent

active

047463252

ABSTRACT:
A coal - water slurry at high concentration which has a low viscosity and favorable flowing property is prepared by using a surface active substance prepared by sulfonating and oxidizing at least one of the starting materials selected from distilled petroleum oils, petroleum pitches, asphalts, distilled coal oils, coal pitches or coals, applying condensation as required and then neutralizing the thus obtained product with alkalis.

REFERENCES:
patent: 3089842 (1963-05-01), Stratton
patent: 3135728 (1964-06-01), Monroe
patent: 4104035 (1978-08-01), Cole et al.
patent: 4302212 (1981-11-01), Yamamura et al.
patent: 4330301 (1982-05-01), Yamamura et al.
patent: 4457762 (1984-07-01), Papalos et al.
patent: 4470828 (1984-09-01), Yamamura et al.
patent: 4565546 (1986-01-01), Ohzeki et al.

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