copper sulphide separation

Separation of copper and cobalt–nickel sulphide ...

2005-4-1 · Applying sulphide precipitation for separation of copper and nickel–cobalt concentrates from manganese sulphate solutions is advantageous because copper sulphide precipitation is operative in the acid pH range, cobalt and nickel precipitation in a weak acid pH range while Mn sulphide precipitation is successfully performed in the alkaline pH range (Monhemius, 1977). Due to the fact that the copper sulphide

Flotation separation of copper sulphides from arsenic ...

2014-11-1 · Other researchers such as Fornasiero et al. (2000) and Byrne et al. (1995) also used pre-oxidation to separate copper sulphide minerals from arsenic minerals, but they found that arsenic minerals were more oxidised resulting in depression in the flotation of copper sulphide minerals.

sulphide of lead for separating copper

Separation Of Copper Sulphide And Nickel Sulphide Matte In N. US2419973A Separation of copper and nickel sulfides . It is a further object of the present invention 2 to provide a method for producing crystals of 4 a method for separating copper sulfide from nickel sulfide in the solid state which includes the crystallization of a mass ...

Flotation separation of copper sulphides from arsenic ...

Flotation separation of copper sulphides from arsenic minerals at Rosebery copper concentrator. ... The copper selectivity against arsenic was improved significantly although the recovery of copper, silver and arsenic was lower. ... The difference in floatability of copper sulphide minerals and tennantite appears to increase at finer sizes. In ...

Effects of pH and pulp potential on selective separation ...

2021-9-1 · separation from copper sulfide is very important. Molybdenite floatability is influenced by a number of factors such as particle size and shape, face/edge ratio, degree of crystallization, pH, pulp potential, reagents, etc. [7]. Conventional separation of copper sulfide and

Flotation separation of copper–molybdenum sulfides using ...

Chitosan, a natural biodegradable polymer, was studied as a selective depressant in copper–molybdenum sulfide separation by flotation.

The Effect of Seaweed Glue in the Separation of Copper ...

The separation of both hydrophobic chalcopyrite and molybdenite represents a major problem in the treatment of copper–molybdenum sulfide ore. Both of them easily lead to flotation concentrates, thus reducing concentrate grade and causing downstream processing problems as well as increased smelting costs . The separation of chalcopyrite and molybdenite has therefore been the focus of a great deal of

The Complete Collection of Copper Beneficiation Reagents ...

2021-7-12 · The separation of copper and sulfur can be realized and the dosages of collectors, lime and no. 2 oil can be reduced in lower alkaline medium by using it. Mos-2 collector also has a good foaming performance, so when using it as a collector, less or no foaming agent can be used.

Selective sulfide precipitation of copper ions from ...

2020-2-25 · Based on the solubility difference of copper and arsenic sulfide, Jiang et al. (2017) initially separated copper and arsenic by sulfide precipitation, and then used the copper ions in the original wastewater to replace the arsenic in the precipitation for further separation.

Femtosecond time-resolved spectroscopic observation of ...

2021-3-1 · Copper-nickel sulfide effectively uses the intrinsic active electrons and hole trapping of g-C 3 N 4 and promotes charge carrier separation. The fs-TA and quenching results confirmed that the copper-nickel sulfide/g-C 3 N 4 composite exhibited effective electron transfer from CNS to g-C 3 N 4 and achieved long-lived charge separation (∼ 4896 ps), which greatly support the improvement of visible

Process for the separation of copper sulfide from metallic ...

Copper sulfide in the presence or absence of metallic copper contained in a dross obtained from the copper drossing of lead bullion is separated from metallic lead entrained or occluded in the dross by introducing the dross into a vessel other than a reverberatory furnace, usually a kettle, also introducing an alkali metal sulfide, preferably sodium sulfide, into the kettle, and heating the ...

sulphide of lead for separating copper

Separation Of Copper Sulphide And Nickel Sulphide Matte In N. US2419973A Separation of copper and nickel sulfides . It is a further object of the present invention 2 to provide a method for producing crystals of 4 a method for separating copper sulfide from nickel sulfide in the solid state which includes the crystallization of a mass ...

Separation of copper and cobalt–nickel sulphide ...

The selective separation and recovery of copper, cadmium, zinc, and nickel from a polymetallic solution with sulphide precipitation using thioacetamide have been investigated.

Experimental Study on the Separation of Gold-Copper ...

2017-5-22 · Experimental Study on the Separation of Gold-Copper Sulfide Ore by Using Pebble as Grinding Media NI Shuainan 1，2，WU Caibin 1，2，YE Jingsheng 1，YANG Jie 1，YUAN Chengfang 1 1.School of Resources and Environmental Engineering，Jiangxi ...

SEPARATION OF MOLYBDENUM SULFIDE FROM COPPER

I claim 1. The process for the separation and recovery of molybdenum sulfide from copper ore concentrates containing both molybdenum sulfide and copper sulfide which comprises conditioning an aqueous pulp of the copper ore concentrates with a collector for molybdenum sulfide and a Nokes-type depressant for copper sulfide, and subjecting the conditioned pulp to froth flotation in which an inert ...

(PDF) Selective separation of copper-molybdenum sulfides ...

The flotation separation of molybdenite from copper sulfide minerals (mostly chalcopyrite) typically relies on the use of toxic inorganic depressants such as cyanides and sodium sulfide/hydrosulfide.

Selective sulfide precipitation of copper ions from ...

2020-2-25 · Undoubtedly, the sulfide ions will react with copper ions to form CuS precipitates (Eqs. , ) and there is also a potential for selective separation between copper ions and arsenic by adjusting the amount of FeS. (8) 2 FeS + Cu 2 + + H + ⇄ 2 F e 2 + + H S −

A study on selective flotation in low and high pyritic ...

flotation in low and high pyritic copper sulphide ores, Separation Science and Technology, 51:13, 2214-2224, DOI: 10.1080/01496395.2016.1202980

Efficient separation of zinc from zinc containing copper ...

2021-5-20 · Efficient separation of zinc from zinc containing copper sulfide concentrate by chemical Geochemistry ( IF 2.292) Pub Date : 2021-05-20, DOI: 10.1016/j.chemer.2021.125773 Jia Li, Xiaoyu Meng, Hongbo Zhao, Yisheng Zhang, Runqing Liu, Guohua Gu

(PDF) A Review of the Flotation of Copper Minerals

Sulphide ores are the major sources of base metals like Copper, Lead, Zinc, Nickel and Cobalt. Beneficiation of. these base metal sulphide minerals is predominantl y through the froth flotation ...

copper sulphide separation from other ore and gangue

2017-10-7 · copper sulphide separation from other ore and gangue minerals. life science journal 2013;10(6s) http:.. http .collector on copper and iron recovery from porphyry ore. in this research the . the separation of sulfide minerals from the other minerals [1]. . flotation of copper sulphide ores. . gangue minerals such as pyrite and also collectors in. xanthate.electromagnetic separation of copper ...

copper sulphide separation from other ore and gangue

The effect of non-sulphide gangue minerals in enargite separation from other copper sulphides in complex ore systems September 2018 Conference: XXIX

separation of copper sulphide and nickel sulphide matte in ...

separation of copper sulphide and nickel sulphide matte in nickel sulphide ores For each project scheme design, we will use professional knowledge to help you, carefully listen to your demands, respect your opinions, and use our professional teams and exert our greatest efforts to create a more suitable project scheme for you and realize the ...

Separation practice of copper arsenic sulfide ore ...

Separation practice of copper arsenic sulfide ore. The separation of copper and arsenic is mainly to solve the separation problem of copper minerals and arsenopyrite, which can be summarized as follows: (1) Highly selective collector. It is very important to enlarge the separation of the two minerals by using selective collectors.

Separation Of Copper Sulphide And Nickel Sulphide Matte

Separation Of Copper Sulphide And Nickel Sulphide Matte In N. US2419973A Separation of copper and nickel sulfides . It is a further object of the present invention 2 to provide a method for producing crystals of 4 a method for separating copper sulfide from nickel sulfide in the solid state which includes the crystallization of a mass containing copper sulfide and nickel sulfide to produce ...

SEPARATION OF MOLYBDENUM SULFIDE FROM COPPER

I claim 1. The process for the separation and recovery of molybdenum sulfide from copper ore concentrates containing both molybdenum sulfide and copper sulfide which comprises conditioning an aqueous pulp of the copper ore concentrates with a collector for molybdenum sulfide and a Nokes-type depressant for copper sulfide, and subjecting the conditioned pulp to froth flotation in which an inert ...

(PDF) Selective separation of copper-molybdenum sulfides ...

The flotation separation of molybdenite from copper sulfide minerals (mostly chalcopyrite) typically relies on the use of toxic inorganic depressants such as cyanides and sodium sulfide/hydrosulfide.

Selective sulfide precipitation of copper ions from ...

2020-2-25 · Undoubtedly, the sulfide ions will react with copper ions to form CuS precipitates (Eqs. , ) and there is also a potential for selective separation between copper ions and arsenic by adjusting the amount of FeS. (8) 2 FeS + Cu 2 + + H + ⇄ 2 F e 2 + + H S −

Preparation of Nano-Copper Sulfide and Its Adsorption ...

2020-2-22 · In the present work, a tubular nano-copper sulfide was successfully synthesized by hydrothermal method. The physical and chemical properties of the prepared materials were characterized by XRD, SEM, TEM, and BET. The synthesized copper sulfide was used as an adsorbent for removing 17α-ethynyl estradiol (EE2) and exhibited excellent adsorption properties. At 25 °C, 15 mg of

The Effect of Seaweed Glue in the Separation of Copper ...

Flotation separation of chalcopyrite from molybdenite was studied using seaweed glue (SEG) as a depressant. Flotation process and mechanism were examined by response surface methodology, flotation tests, adsorption tests, zeta potential measurements and fourier transform infrared (FT-IR) spectra. Response surface methodology with a Box–Behnken design suggested the optimal reagent