Furnaces – Process – Burning pulverized fuel
Patent
1985-06-03
1986-01-28
Yuen, Henry C.
Furnaces
Process
Burning pulverized fuel
110238, 110218, 44 51, F23G 504
Patent
active
045663947
ABSTRACT:
An integrated method of removing alkali metal compounds from sulfur-bearing coal is disclosed. The coal is comminuted (4) and mixed (10) with water (8) to form a slurry (12). In the preferred embodiment, the slurry (12) is comingled with an SO.sub.2 -bearing gas (16) in a transport pipeline (52) to form an acidic slurry which dissolves the alkali compounds out of the coal. The slurry is then separated (22) into a solid portion (24) and a liquid portion (26), the solid portion (24) being combusted (34) to form the SO.sub.2 -bearing gas (16).
REFERENCES:
patent: 4191115 (1980-03-01), Yang et al.
patent: 4213407 (1980-06-01), Headley
patent: 4387654 (1983-06-01), Binasik et al.
patent: 4462794 (1984-07-01), Pfeffer, III. et al.
patent: 4481015 (1984-11-01), Lusch et al.
patent: 4515602 (1985-05-01), Keller, Jr. et al.
patent: 4526588 (1985-07-01), Lusch et al.
Borio Donald C.
Borio Richard W.
Hale Gilbert L.
Mehta Arun K.
Tyler Arnold L.
Combustion Engineering Inc.
Snyder Troxell K.
Yuen Henry C.
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