CN104162480B - A kind of method of copper molybdenum ...

A kind of that the invention provides copper bismuth ore-dressing of polymetallic ore, the technological process using " preferential floating copper copper-cobalt ore flotation tailing selects copper copper tail shaking table to receive bismuth shaking table mine tailing flotation of Bismuth " carries out copper bismuth ...

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  • Five Common Gold Separation Methods You Have to Know-

    Five Common Gold Separation Methods You Have to Know-

    Gravity process used in gold . Because of the large proportion of gold, gravity process is the most common of recovering gold, and is often used in combination with other gold to treat all kinds of gold ores, especially the alluvial gold mine.

  • Direct Separation of Molybdenum from Solid Uranium ...

    Direct Separation of Molybdenum from Solid Uranium ...

    Pyrohydrolysis is a well-established , and it is being used as a sample preparation for several materials for further determination of non-metals such as halogens, boron, and . Analytes are retained in a diluted solution that is suitable for carrying out analysis by several determination techniques and minimizing the use of concentrated reagents.

  • A new recyclable sulfurizing reagent for Mo-S complexes ...

    A new recyclable sulfurizing reagent for Mo-S complexes ...

     · It is the most promising method for removing trace amounts of molybdenum by use of different affinities of tungsten and molybdenum toward sulfur , , , . The principle of this method is adding NH 4 2 S or Na 2 S at suitable conditions to transform MoO 4 2 - into MoS 4 2 - in four steps as shown in the following equation, tungsten still exists in the form of WO 4 2 - [10] , [13] .

  • Separating Sulfur from Fuel Gas Desulfurization Gypsum ...

    Separating Sulfur from Fuel Gas Desulfurization Gypsum ...

    The of from the wet limestone fuel gas desulfurization FGD gypsum using oxalic acid solution was studied. Optimal conditions and a mechanism of were investigated. The obtained results indicate that the in FGD gypsum can be separated efficiently by oxalic acid solution. When separating under the optimal experimental conditions of 0.3 mol/L ...

  • Copper-molybdenum ore beneficiation,flotation separation ...

    Copper-molybdenum ore beneficiation,flotation separation ...

    This article discusses the beneficiation of copper and ore and the process of copper and . 1.Status of copper- ore beneficiation Based on the overall structure of porphyry copper- deposits, there are usually three types of minerals in symbiosis, namely copper, , and .

  • Silica–alumina impregnated with cerium, nickel, and ...

    Silica–alumina impregnated with cerium, nickel, and ...

    Santos et al. [18] reported the incorporation of the oxide on a commercial silicaealumina based adsorbent will be promising for removal of and nitrogen compounds from a ...

  • Development of a separation method for molybdenum from ...

    Development of a separation method for molybdenum from ...

    Journal of chromatography. A 2014-12-3 Development of a for from zirconium, niobium, and major elements of rubble samples. [Asako Shimada, Mayumi Ozawa, Koshi Yabuki, Kazuhiro Kimiyama, Kenji Sato, Yutaka Kameo]

  • US20070183953A1 - Separation of ammonia from sulfur ...

    US20070183953A1 - Separation of ammonia from sulfur ...

    A for separating ammonia and sulfides from a sour water stream is disclosed. The stripping of a sour water stream where it is stripped to create a sour water stripper overhead gas and then contacted with an alkali hydroxide in order to separate ammonia and make an alkali sulfide.

  • An enhanced method for molybdenum separation and isotopic ...

    An enhanced method for molybdenum separation and isotopic ...

     · Abstract. An enhanced for and isotopic determination in uranium-rich materials and geological samples Valerie Migeon,*ab Bernard Bourdon,a Eric Pilib and Caroline Fitoussia ´ The precise and accurate determination of Mo isotope ratios in geological and U-rich samples requires a thorough of Mo from elements that could cause matrix effects and …

  • Method and apparatus for extracting high-purity molybdenum ...

    Method and apparatus for extracting high-purity molybdenum ...

     · A and plant for recovery from a low-grade crude ore by low-temperature chlorination, where the -bearing fine ore is chlorinated with gaseous chlorine at a temperature of 220-250° C. to form a volatile chloride compound, which after leaving a reactor is directed to a low-temperature nitrogen-oxygen plasma unit having a temperature of 800-1000° C., …

  • Method of extraction of molybdenum, nickel, cobalt, or ...

    Method of extraction of molybdenum, nickel, cobalt, or ...

    The method includes cable to in and cutting to wiring sections. In addition, the cable is separated by translational movement in combination with steel wire rotation around cable of translation movement of current-conducting cores.

  • Process for synthesis of molybdenum sulfide dimers - BP ...

    Process for synthesis of molybdenum sulfide dimers - BP ...

    The method comprises at a temperature between . …

  • CN102327727A - Method for recovering sulfur hexafluoride ...

    CN102327727A - Method for recovering sulfur hexafluoride ...

    The method is characterized by firstly products from the gas mixture of gas mixture sulfur, carbon tetrafluoride and nitrogen gas by a filter, secondly separating the...

  • US Patent for Method for the production of hydrocarbon ...

    US Patent for Method for the production of hydrocarbon ...

     · The present invention provides a for producing hydrocarbon fuels with ultra-low levels of . The involves catalytic oxidation of the sulfurous compounds within the hydrocarbon fuel, followed by extraction of the oxidized and polarized sulfurous compounds using a polar solvent. The present invention teaches the involvement of ethanol during catalytic oxidation.

  • Recovery of valuable metals from molybdenum-removal sludge ...

    Recovery of valuable metals from molybdenum-removal sludge ...

     · Before and after the fixation reaction, the color of the solution with copper chloride changed from reddish brown to colorless, and the total concentration changed from 12.55 g/L to 4.30 g/L of which the sulfate concentration was 3.14 g/L, while the concentration decreased slightly from 10.72 g/L to 10.35 g/L. EDS ...

  • Method of refining oil, gas condensate and oil fractions ...

    Method of refining oil, gas condensate and oil fractions ...

    FIELD: mining. SUBSTANCE: invention refers to of refining oil, gas condensate and oil fractions from mercaptans by means of catalyst alkali-free liquid phase oxidising de-mercaptanisation at temperature 20-50°C using as catalyst a homogenous liquid composition containing 15-20 wt % of copper chloride or bromide II, 30-50 wt % of alcohol C 1-C 3 or mixture of the said alcohols, 15-45 ...

  • Separation of Molybdenum and Copper in Porphyry Deposits ...

    Separation of Molybdenum and Copper in Porphyry Deposits ...

    of and Copper in Porphyry Deposits: The Roles of , Redox, and pH in Ore Mineral Deposition at Bingham Canyon ... and copper concentrations were similar in intermediate-density-type fluid inclusions in deep low-grade Cu-stage samples, whereas intermediate-density-type inclusions in low-grade Mo-stage veins have ...

  • Separation of ammonia from sulfur compounds - Sundance ...

    Separation of ammonia from sulfur compounds - Sundance ...

    A method to produce a copper concentrate depressant separator from a molybdenum concentrate from ore comprising the steps of: Stripping a sour water stream to create an SWS Gas, Contacting the SWS Gas with an alkali hydroxide in order to separate ammonia and make an alkali hydrosulfide, and Using the alkali hydrosulfide to separate copper concentrate from molybdenum concentrate from ore.

  • The method of obtaining white spirit petroleum distillates ...

    The method of obtaining white spirit petroleum distillates ...

    Closest to the present invention is a of obtaining white spirit petroleum distillates with a high content of compounds and aromatic hydrocarbons with a boiling point of 150 to 200°With hydrogenation in the presence of a catalyst containing the oxides of cobalt and on alumina [U.S. Pat. UK, 824360 published 25.11.1959].

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