A Practical Treatise on Metallurgy: Adapted from the Last German Edition of Prof. Kerl's Metallurgy, Volúmenes1-2Longmans, Green, and Company, 1868 |
Dentro del libro
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Página xi
... Lead Process with Argentiferous Matts Smelting Methods , 233 . Desilverising the Matt by means of Metallic Lead Theory of the Process , 233. Applicability of the Process , 233 . Illustrations of Desilverising Matt by fusion with Lead ...
... Lead Process with Argentiferous Matts Smelting Methods , 233 . Desilverising the Matt by means of Metallic Lead Theory of the Process , 233. Applicability of the Process , 233 . Illustrations of Desilverising Matt by fusion with Lead ...
Página 11
... matt ( Sala ) ; by ferruginous lead matt slags ( Clausthaler , trials with the reverberatory furnace ) ; and by such fluxes in combina- tion with metallic iron ( Tarnowitz , Przibram , Münsterthal , Ems ) . 2. Common Lead Process . Used ...
... matt ( Sala ) ; by ferruginous lead matt slags ( Clausthaler , trials with the reverberatory furnace ) ; and by such fluxes in combina- tion with metallic iron ( Tarnowitz , Przibram , Münsterthal , Ems ) . 2. Common Lead Process . Used ...
Página 12
... matt ( Lower Hungary ) ; with roasted raw matt ( Freiberg ) ; with iron ore ( Vialas ) ; with refinery cinders ... lead , by roasting and smelting with iron ore ( Commern ) , or with refinery cinders ( Stolberg ) . 2. - TREATMENT OF OXIDISED ...
... matt ( Lower Hungary ) ; with roasted raw matt ( Freiberg ) ; with iron ore ( Vialas ) ; with refinery cinders ... lead , by roasting and smelting with iron ore ( Commern ) , or with refinery cinders ( Stolberg ) . 2. - TREATMENT OF OXIDISED ...
Página 18
... lead from oxide of lead . Iron pyrites in greater quantity prevents the reactions to some degree , and facilitates the formation of matt , which being easily fusible , runs off and causes loss of metal . Arsenic in iron pyrites always ...
... lead from oxide of lead . Iron pyrites in greater quantity prevents the reactions to some degree , and facilitates the formation of matt , which being easily fusible , runs off and causes loss of metal . Arsenic in iron pyrites always ...
Página 40
... lead and some slag flow into the sump . The doors are then opened , the mass turned over , and the slag raked away ... matt appears , which may have been formed by the use of iron tools , it is removed , the lead is then stirred about ...
... lead and some slag flow into the sump . The doors are then opened , the mass turned over , and the slag raked away ... matt appears , which may have been formed by the use of iron tools , it is removed , the lead is then stirred about ...
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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