Aluminium recovered as its trichloride - by treatment of ground calcined shales with chlorine contg. gases
Shale contg. is not 30 wt.% ash, of which is not 20% is Al calculated on basis of Al2O3, is ground to e.g. 0.01-0.02 mm, and calcined with simultaneous coking in a reducing atmos. at e.g. 700-800 degrees C. Resulting solid material is treated with gas contg. 1 pt. CO and 1-3 pts. Cl at 700-1000 degr...
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| creator | NEMECZ, ERNO UJHIDY, AUREL SZEPVOLGYI, JANOS KAPOLYI, LASZLO SZEKELY, TAMAS BORLAI, OSZKAR POLINSZKY, KAROLY |
| description | Shale contg. is not 30 wt.% ash, of which is not 20% is Al calculated on basis of Al2O3, is ground to e.g. 0.01-0.02 mm, and calcined with simultaneous coking in a reducing atmos. at e.g. 700-800 degrees C. Resulting solid material is treated with gas contg. 1 pt. CO and 1-3 pts. Cl at 700-1000 degrees C during e.g. 90 mins. AlCl is recovered from gas phase and corresponds e.g. to 54% conversion of Al content of feed. Ash content of shale is pref. silica clay or esp. calcium pyrites. Shale is esp. "Konststein.". |
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Resulting solid material is treated with gas contg. 1 pt. CO and 1-3 pts. Cl at 700-1000 degrees C during e.g. 90 mins. AlCl is recovered from gas phase and corresponds e.g. to 54% conversion of Al content of feed. Ash content of shale is pref. silica clay or esp. calcium pyrites. Shale is esp. 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Resulting solid material is treated with gas contg. 1 pt. CO and 1-3 pts. Cl at 700-1000 degrees C during e.g. 90 mins. AlCl is recovered from gas phase and corresponds e.g. to 54% conversion of Al content of feed. Ash content of shale is pref. silica clay or esp. calcium pyrites. Shale is esp. "Konststein.".</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY METALLURGY |
| title | Aluminium recovered as its trichloride - by treatment of ground calcined shales with chlorine contg. gases |
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