BulletinU.S. Government Printing Office, 1919 |
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Página 3
... Flotation processes ... Zinc recovery by different concentration processes . Loss of zinc in lead smelting .. Scope ... Flotation Silver King Coalition milling practice .. Sulphide section .... Costs .... Mills on tailing flats below ...
... Flotation processes ... Zinc recovery by different concentration processes . Loss of zinc in lead smelting .. Scope ... Flotation Silver King Coalition milling practice .. Sulphide section .... Costs .... Mills on tailing flats below ...
Página 5
... Flotation ... 103 Magnetic separation of limonite and oxidized zinc minerals .. 103 Calcining oxidized zinc ores .. 105 Ignenous concentration ..... 106 Wetherill grate furnace . Special roasting processes for oxidized zinc ores . 106 ...
... Flotation ... 103 Magnetic separation of limonite and oxidized zinc minerals .. 103 Calcining oxidized zinc ores .. 105 Ignenous concentration ..... 106 Wetherill grate furnace . Special roasting processes for oxidized zinc ores . 106 ...
Página 13
... Flotation processes . HYDROMECHANICAL PROCESSES . In treating zinc ores by hydromechanical processes the object is to obtain a concentrate that , if necessary may afterwards be sepa- rated into a zinc product and a lead product , or ...
... Flotation processes . HYDROMECHANICAL PROCESSES . In treating zinc ores by hydromechanical processes the object is to obtain a concentrate that , if necessary may afterwards be sepa- rated into a zinc product and a lead product , or ...
Página 16
... FLOTATION PROCESSES . In order to concentrate a zinc ore by flotation it is generally necessary to heat the pulp and to use acid . If the ore contains both ... flotation at the works of 16 RECOVERY OF ZINC FROM ORES . Flotation processes.
... FLOTATION PROCESSES . In order to concentrate a zinc ore by flotation it is generally necessary to heat the pulp and to use acid . If the ore contains both ... flotation at the works of 16 RECOVERY OF ZINC FROM ORES . Flotation processes.
Página 17
the Horwood process of selective flotation at the works of the Zinc Corporation was one of the metallurgical achievements of 1913. The principle of this process is the roasting of mixed lead - zinc concentrates obtained by flotation ...
the Horwood process of selective flotation at the works of the Zinc Corporation was one of the metallurgical achievements of 1913. The principle of this process is the roasting of mixed lead - zinc concentrates obtained by flotation ...
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Términos y frases comunes
Act entitled action AMENDATORY ACT amended amount appointed approved April 18 brass Bureau of Mines cage Carterville cause cent zinc certificate charge chloride Coal & Coke coal mines compensation Consolidated Coal copper court Curtiss Statutes damages dangerous condition dollars Donk Bros duty electric furnace electrodes Eminent domain employee enacted escapement shaft examination explosive failure February 13 feet filed fire force July furnish heat hereby Illinois Industrial Board ingot injury inspection iron June June 16 June 21 Kellyville Coal kilowatt-hours La Salle County Laws leaching lead lease liable manager melting miner Mining Board Mining operations owner pipe pounds poured power consumption props purpose recovered recovery Revised Statutes roasting rocking roof safety saline solution spelter Spring Valley Coal Starr & Curtiss sulphate sulphuric acid tank temperature tests therein thereof tion weight zinc chloride Zinc concentrate zinc oxide zinc sulphide
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Página 396 - ... in the case of partial incapacity the weekly payment shall in no case exceed the difference between the amount of the average weekly earnings of the workman before the accident and the average weekly amount which he is earning or is able to earn in some suitable employment or business after the accident...
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Página 385 - ... all laws and parts of laws inconsistent with this act are hereby repealed...