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
Resultados 1-5 de 100
Página 4
... iron pyrites , sparry iron ore , arsenical and antimonial substances , & c . ) ; sometimes it is associated with copper , zinc , silver , cobalt , and nickel ores . Malaguti and Durocher found silver in blende occurring in lead veins ...
... iron pyrites , sparry iron ore , arsenical and antimonial substances , & c . ) ; sometimes it is associated with copper , zinc , silver , cobalt , and nickel ores . Malaguti and Durocher found silver in blende occurring in lead veins ...
Página 11
... iron ; the galena must be as free as possible from foreign sulphides ( Upper Hartz , Victor - Friedrichs - hütte , Joachims- thal ) ; the decomposition is effected by ferruginous fluxes : -by iron ore ( Ruszkyberg ) ; by iron cinders ...
... iron ; the galena must be as free as possible from foreign sulphides ( Upper Hartz , Victor - Friedrichs - hütte , Joachims- thal ) ; the decomposition is effected by ferruginous fluxes : -by iron ore ( Ruszkyberg ) ; by iron cinders ...
Página 18
... Iron Pyrites , by the roasting process , is converted into oxide and sulphate of iron , and towards the end of the second period the increased temperature converts it into peroxide of iron . It renders the charge less fusible , and the ...
... Iron Pyrites , by the roasting process , is converted into oxide and sulphate of iron , and towards the end of the second period the increased temperature converts it into peroxide of iron . It renders the charge less fusible , and the ...
Página 42
... iron , slopes slightly down to the fore hearth , b . Upon each of the longer sides of the sole plate there are cast iron beams of great strength , c , c , called bearers , to support the side walls , built of a coarse - grained ...
... iron , slopes slightly down to the fore hearth , b . Upon each of the longer sides of the sole plate there are cast iron beams of great strength , c , c , called bearers , to support the side walls , built of a coarse - grained ...
Página 43
... iron , oxide of lead , a little sulphide of lead , and sulphates of lead and lime ) , with 200 parts of coal ashes ( silica , alumina , peroxide of iron , and mechanically mixed coal ) , 132 parts of aluminous reverberatory furnace ...
... iron , oxide of lead , a little sulphide of lead , and sulphates of lead and lime ) , with 200 parts of coal ashes ( silica , alumina , peroxide of iron , and mechanically mixed coal ) , 132 parts of aluminous reverberatory furnace ...
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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