Coal blends having improved ash viscosity

Details Coal blends having improved ash viscosity Coal blends having improved ash viscosity

1991-07-31

1994-11-15

Medley, Margaret

Fuel and related compositions

'low-rank' coal

44620, 110342, C10L 900, F23K 100

Patent

active

053644212

ABSTRACT:
Coal blends suitable for combustion in a slagging-type combustion apparatus comprise blends of (1) a bituminous coal which forms ash slag having unacceptably high viscosity with (2) a lignitic coal which forms ash slag having marginal viscosity characteristics or T.sub.cv whereupon combustion of the blends results in formation of ash slag having viscosity which is synergistically lowered and acceptable for slagging.

REFERENCES:
patent: 2328147 (1943-08-01), Hyson
patent: 3909212 (1975-09-01), Schroeder
patent: 4052168 (1977-10-01), Koppelman
patent: 4372227 (1983-02-01), Mahoney et al.
patent: 4377118 (1983-03-01), Sadowski

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