| (19) |
 |
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(11) |
EP 0 024 847 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
02.09.1981 Bulletin 1981/35 |
| (43) |
Date of publication A2: |
|
11.03.1981 Bulletin 1981/10 |
| (22) |
Date of filing: 12.08.1980 |
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| (84) |
Designated Contracting States: |
|
BE DE FR GB NL |
| (30) |
Priority: |
15.08.1979 GB 7928408
|
| (71) |
Applicant: The British Petroleum Company p.l.c. |
|
() |
|
| (72) |
Inventors: |
|
- Veal, Christopher John
()
- Wall, Derek Richard
()
|
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| |
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| (54) |
A method for the preparation of a uniform dispersion of a friable solid fuel, oil
and water |
(57) A uniform dispersion of a friable solid fuel, e.g. coal, oil and water is prepared
by grinding the solid fuel in a medium consisting essentially of a major proportion
of oil and a minor proportion of water in the absence of added dispersant or emulsifier.
Air is excluded during the grinding operation. The solid fuel is present in amount
15 to 55% by weight of the dispersion and is ground until the mean particle size of
the solid fuel is reduced to a value in the range 1 to 15 micron.
The water enhances the stability of the dispersion.