A Practical Treatise on Metallurgy: Adapted from the Last German Edition of Prof. Kerl's Metallurgy, Volúmenes1-2Longmans, Green, and Company, 1868 |
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Página xx
... employed to Extract Nickel in the Wet Way , 572 . Illustrations of the Process of Extracting Nickel from Speiss or Arsenical Ores . Erdmann's Older Method , 576. Louyet's Method , 576. Methods of Ruolz , Thomson , and Cloëz , 577 , 578 ...
... employed to Extract Nickel in the Wet Way , 572 . Illustrations of the Process of Extracting Nickel from Speiss or Arsenical Ores . Erdmann's Older Method , 576. Louyet's Method , 576. Methods of Ruolz , Thomson , and Cloëz , 577 , 578 ...
Página 10
... employed , and only for the treatment of ores containing much silica , when fuel is cheap ( French precipitating process ) . It may be subdivided into - 1 . Roasting reaction processes , which consist in the removal of the sulphur ...
... employed , and only for the treatment of ores containing much silica , when fuel is cheap ( French precipitating process ) . It may be subdivided into - 1 . Roasting reaction processes , which consist in the removal of the sulphur ...
Página 11
... employed for melting purer and only earthy lead ores ( Commern , Stolberg ) . The opera tions are : -Roasting in heaps ( Lower Hartz , Müsen , Rothen- bach ) ; in mounds ( Fahlun , Rhone smelting works ) ; or in reverberatory furnaces ...
... employed for melting purer and only earthy lead ores ( Commern , Stolberg ) . The opera tions are : -Roasting in heaps ( Lower Hartz , Müsen , Rothen- bach ) ; in mounds ( Fahlun , Rhone smelting works ) ; or in reverberatory furnaces ...
Página 12
... employed for the working of siliceous and earthy ores richer in silver , by smelting them , after roasting , with ferruginous fluxes ; with ores containing crude matt ( Lower Hungary ) ; with roasted raw matt ( Freiberg ) ; with iron ...
... employed for the working of siliceous and earthy ores richer in silver , by smelting them , after roasting , with ferruginous fluxes ; with ores containing crude matt ( Lower Hungary ) ; with roasted raw matt ( Freiberg ) ; with iron ...
Página 15
... employed ( English process ) ; whilst galena containing pyrites must be roasted at a temperature rising gradually but not getting too high ( French process ) . Amongst foreign substances which may be present , Quartz , Clay , and ...
... employed ( English process ) ; whilst galena containing pyrites must be roasted at a temperature rising gradually but not getting too high ( French process ) . Amongst foreign substances which may be present , Quartz , Clay , and ...
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Términos y frases comunes
24 hours Altenau amalgam amount of silver antimony argentiferous arsenic baryta bismuth black copper blast calcined cent of copper cent of lead cent of silver charcoal charge chiefly clay coal cobalt coke condensation copper matt crucible cubic feet cupelling cupola furnaces cwts decomposed desilverised dross extraction flue fluxes formation formed Freiberg fuel furnace ends fused galena gold hearth heated impure inches iron pyrites Lautenthal lead containing lead matt lime liquation litharge loss of lead loss of metal loss of silver mercury metre mixed mixture muffles nickel oxide oxide of lead oxidised Pattinson's process precipitated production quantity quartz raw lead raw matt reduced refined residues resulting reverberatory furnaces rich lead roasting mass roasting process schlich silica silver per cwt slags smelting process sodium sodium amalgam spar speiss sulphate of lead sulphide sulphuric acid sump temperature treated tuyere u. h. Ztg Upper Hartz volatilisation whilst yield zinc blende