High-temperature pretreatment by means of an alkaline aqueous...

2992887 Leaching of uranium ores using alkaline carbonates...at atmospheric pressure July, 1961 Thunaes 423/...which is carried out in a `Pachuca` are dif...
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Method for the recovery of base metals from ores

A hydrometallurgical method for leaching a base metal in a combined pressure...acid leach circuit (20) comprising a series of pressure Pachuca (tanks 22...
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Alkaline leaching of vanadium bearing residues

The alkaline leaching of vanadium-bearing materials...a pachuca tank can be used where oxygen or air...Operating close to the atmospheric boiling point ...
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Geocronología de depósitos minerales mexicanos: II: los ...

2015323-Effects of experimental leaching on Rb-Sr and K-Ar isotopic systems and REE..., Geología económica de México: Pachuca, Hidalgo, Mexico, 2...
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A CORROSION STUDY IN PROCESSING URANIUM ORE

Pitting corrosion was observed in pachucas of 316L and SAE-1025 steels where uranium ore powder adhered from grinding or leaching operations. A laboratory ...
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CHISA 2010 - ECCE7

HOME | GENERAL INFORMATION | SCIENTIFIC PROGRAM | SOCIAL PROGRAM | ACCOMMODATION | VENUE | APPLICATION FORMS | ...
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POSSIBLE TRENDS AND METHODS FOR THE PRODUCTION OF HIGH-PURITY...

The process uses sulphuric acid leaching, precipit.. st and maintenance cost of the equipment. The...pachucas and the product is fed to an ion ...
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Epithermal |

of the well known world class deposits of Pachuca and El Oro-Tlalpuhajua...Leaching of silver requires significantly h...
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Gas Lift Action of Gas Liquid Flow in a Tube

circulation of liquid promotes the dispersion of solid particles, a column of this type is called as a pachuca tank which is used for leaching of solid...
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...oxidation, thiosulfate leaching and resin-in-pulp adsorption

leaching gold from the oxidized slurry by mixing .. ndenser 9 is operated at about atmospheric pressure...An advantage of the Pachuca system is reduced ...
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An operational review of the belt-filtration plant at Chemwes...

leaching section through a pipeline of gradually reducing diameter (250 mm ..., variable speed) has a recycle line back to the filter-feed pachuca...
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The geology and epithermal silver mineralization of the ...

Leaching of calcite which was once finely intergrown with cryptocrystalline ...Pachuca, Mexico and Tayolita, Mexico, in several ways: 1) Sulfides and ...
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Metallurgical process

In this event, fresh leaching solution would be regenerated in the Pachuca tank by the addition of sulphuric acid thereto in quantities suflicient to ...
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Method to detoxify sewage sludge

Although acidification is effective in leaching (also commonly referred to as...As with any conventional pachuca-type tank system, the regenerative oxidant ...
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Acid leaching of nickel laterite ores for the extraction of ...

employs pachuca-type autoclaves which rely on the...2, the main additional equipment required to ...Atmospheric neutralization/leaching with highly-serpentini...
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.. lumns in civil engineering and for leaching heavy metals...

leachingtailingsFor many years, the mining industry at Pachuca Hidalgo, Mxico, has produced silver and gold through a cyanide process. Solid wastes (...
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Developments in Hydrometallurgy

Bryson, Kinetics of Leaching of a Low-Grade Fe-Ni-Cu-Co Matte in ...Atkinson, Effect of Solids Settling on Pachuca Tank Performance, Minerals...
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Leaching of uranium ore

One or more pachuca reactors may be employed. So agitation becomes more .. peratmospheric pressures, but additional equipment and operating costs result...
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hydrometallurgy_

2015727-Hydrometallurgy is concerned with the leaching of ...Pachuca tanks (either mechanically or with ...physical condition of the fuel and atmosp...
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Method of sulphating the ore metal values of a sulphide ore

remain in situ so that they may be ultimately recovered by leaching ...F'r example, the sulphated material may be transferred to a pachuca and ...
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NATURALEZA DE LA REACCIN DE LA JAROSITA DE POTASIO ARSENICAL ...

Universidad Autónoma del Estado de Hidalgo, Carretera PachucaTulancingo km.. re model was applied to leaching results of specific particle size ...
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Process for the recovery of indium

2011419-It has been found that aeration while leaching will aid in rendering the indium insoluble and for this purpose a Pachuca-type tank is prefer...
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Leaching kinetics in cyanide media of Ag contained in the ...

201451-The leaching kinetics in cyanide media of the silver contained in the Dos Carlos waste tailings at the City of Pachuca de Soto, Hidalgo Stat...
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Cyanidation of Gold Ores

Overview of heap leaching technology. In Introduction to Evaluation, Design ...1981. Oxygen mass transfer in Pachuca tanks. In Extraction Metallurgy 81...
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Tectonometamorphic studies in the Canadian Shield (Part II) -...

Gas hold-up is a crucial parameter for liquid circulation as well as particle suspension in Pachuca tanks. These tanks, used as leaching vessels in ...
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Extraction of gold and silver

extracted from their ores by a leaching process....This slurry is held in air-agitated pachuca ...art equipment without any substantial modification...
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Geochemical processes contributing to the contamination of ...

at their laboratory facilities in Pachuca, Mexico....National Oceanic and Atmospheric Administration Technical...on salt and Na leaching: Irrigation Science, ...
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Evaluation of calcium titanate as apatite growth promoter

Measurements of calcium leaching from the calcium titanate surface and ...P. 42184, Pachuca de Soto, Estado de Hidalgo, MexicoO. Coreño...
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.. unter current resin-in-leach in gold leaching processes

14. A method, comprising: thiosulfate leaching, by at least one of a resin.... . mth tanks 208a-m are typically air-agitated (e.g., Pachuca-type...
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Mechanical Properties of New Ceramic Materials Obtained from ...

Figure 2. Schematic diagram of the patented equipment (Vite, 1994a, 1994b...leaching tanks, the Pachuca (State of Mexico) tank and Bonotto, Kennedy ...
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pachuca_pachuca___..._

Pachuca tank ; ; ; Pachuca extractor Pachuca FC leaching Pachuca ...
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Recovery of uranium from ores

and 53.4 grams of MnOz were also added to the Pachuca, and the contents thereof were agitated for 24 hours to efiect the leaching of uranium values...
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UJI MINERALOGI SEBAGAI LANGKAH AWAL PROSES METALURGI BIJIH ...

Metode pelarutannya dapat dipilih secara dinamik, pachuca, heap leaching, bakteri leaching, roasting, dan pug leaching, tergantung pada karakteristik ...
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Thermodynamic Study of Iridium in HCl: The Effect of ...

Carretera Pachuca- Tulancingo. Km. 4.5, Col. Carboneras, C.P. 42186, ...terms of the employment of multiple stages of leaching and reprecipitation...
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