Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1974-06-07
1977-03-01
Edmundson, F.C.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204170, 204171, 208 8, 250542, 250545, B01K 100, C07C 324, C10G 100
Patent
active
040100898
ABSTRACT:
Apparatus and method for reacting coal with hydrogen to provide hydrocarbon products. In a container having an anode and a cathode spaced therefrom, an electric potential about 200 to 1000 volts more positive than the potential at the cathode is applied to the anode to provide an electric arc at a current density of about 0.01 to 100 amperes per square centimeter in a reaction zone between them comprising hydrogen at a pressure of about 10 to 500 millimeters of mercury, and thus to maintain a plasma therein. A magnetic field of about 100 to 1000 gauss is provided approximately perpendicular to the arc. Hydrogen is directed into contact with the anode (as through passages therein) and from there into the reaction zone to ionize a substantial portion of the hydrogen positively, while coal is directed either in a slurry or as a fine powder, into contact with the cathode (as through passages therein) and from there into the reaction zone to charge a substantial portion of the coal with a negative potential. The materials as ionized are reacted, whereby the free energy decrease for each reaction at a given temperature is greater than that for molecular hydrogen, and the hydrocarbon products are withdrawn from the reaction zone. The potential difference, current density, pressure, and magnetic field intensity are maintained at values such as to provide a temperature of about 500 to 6000.degree. K in the reaction zone.
REFERENCES:
patent: 2074530 (1937-03-01), Baumann et al.
patent: 3073769 (1963-01-01), Doukas
patent: 3384467 (1968-05-01), Ammann et al.
patent: 3404078 (1968-10-01), Goldberger
patent: 3445191 (1969-05-01), Bruning et al.
patent: 3870611 (1975-03-01), Vestal
Sagmuller Joseph R.
Stowell William R.
Battelle (Memorial Institute)
Dunson Philip M.
Edmundson F.C.
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