Process for making low-sulfur and low-ash fuels

Details Process for making low-sulfur and low-ash fuels Process for making low-sulfur and low-ash fuels

1975-01-10

1977-02-15

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 10C, 44 13, 48197FM, 201 6, 208 8, C10L 500, C10G 100

Patent

active

040080544

ABSTRACT:
Low-sulfur and low-ash gaseous, liquid and solid fuels are made from coal by a process which first subjects the coal to solvent extraction and hydrotreatment under hydrodesulfurizing conditions in a coal liquefaction zone to reduce the organic sulfur content of the coal. The effluent is divided into a low-solids product which contains most of the extract and a high-solids product which contains most of the remaining inorganic sulfur and other mineral matter. The low-solids product stream which contains extract and solvent is subjected to a forming step to yield low-ash and low-sulfur pellets. The high-solids product stream is subjected to gasification to yield hydrogen for use in the liquefaction step. The process is particularly adapted to supply the energy needs of a steel plant, including the required coke.

REFERENCES:
patent: 3748254 (1973-07-01), Gorin
patent: 3791956 (1974-02-01), Gorin et al.
patent: 3840456 (1974-10-01), Yavorsky

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