flotation of copper sulfide ores

Chapter 12: Flotation of Copper Sulfide Ores | Engineering360

2021-8-9 · From a processing point of view, copper ores could be divided into: Copper sulfide ores, where the pyrite content can vary from 10% to 90%. The predominant sulfide mineral in this ore is pyrite, but may also contain pyrrhotite and mar-casite. Some copper sulfide ores also contain significant quantities of gold and silver.

Copper Sulfide Flotation - Mineral Processing & Metallurgy

2016-4-13 · Flowsheet for treatment of Copper Sulfide ores rich inminerals such as chalcopyrite with gold and silver as well as arsenopyrite. The above flowsheet is designed for the treatment by flotation of copper as chalcopyrite with gold and silver values. The ore, ranging from 60-65% silica, with pyrite, arsenopyrite, and calcite with 3 to 4% copper.

FLOTATION OF COPPER SULFIDE ORES - STEPHAN CHEM

I claim as my invention 1. A flotation promoter for the selective water flotation of thin finely ground copper-bearing sulfide ores and the suppression of iron pyrites therein, finely ground state consisting essentially of an aliphatic hydrocarbon sodium sulfate having a C 8 - C 10 carbon chain and having propylene oxide chemically combined therewith in an amount in the range of 5 to 30 mols.

Flotation of an Oxidized Copper Sulfide Ore

sodium sulfide as a sulfidizing agent for flotation of oxidized copper ores (Cao et al., 2016, Qu et al., 2012; Chekushin et al., 2015). Copper mineralization occurrences in Sudan were recorded in ...

FLOTATION OF COPPER-NICKEL SULFIDE ORES - DAVID

Flotation of sulphide minerals from their ores is achieved by a process in which two or more conditioning steps are carried out prior to a froth flotation step. The first step comprises conditioning a pulp of the ore in the presence of at least one alkaline agent selected from a group of agents which is defined in the specification which follows.

Flotation of a copper sulphide ore from Okiep using thiol ...

2009-8-26 · Thiol collectors are used in the froth flotationof copper sulphide ores. The xanthates, dithio-phosphates and dithiocarbamates are classesof thiol collectors that each form differentsurface products on different copper sulphideminerals.

A study of the effect of grinding environment on the ...

2018-6-15 · 1. Introduction. Flotation is widely applied in the mineral processing industry to recover valuable minerals from crude ores. In general, metallurgical performance of a flotation process depends mainly on the mineralogical nature of the ore being processed, the performance of the flotation cells, aeration and hydrodynamic conditions of the pulp in flotation cells, the particle size ...

Treatment of Mixed Sulfide Oxide Ores of Copper

2016-9-25 · Many of our largest copper deposits contain both sulfide and oxidized copper minerals. The large porphyry mines, with a total copper content of from 1.3 to 2.0 per cent., send to their mills ore with an oxide content of from 0.2 to 0.4 per cent. While the recoveries of the sulfide minerals are considered satisfactory, using modern flotation ...

(PDF) A Review of the Flotation of Copper Minerals

These oxidised copper minerals are found in weathered regions of most copper sulphide ore bodies The overlaying oxidic ore is usually stockpiled after it is removed from the sulphide lode and left...

Acid treatment of copper sulfide middlings and rougher ...

2008-8-1 · Gaudin (1957) as far back as fifty years ago described a technology comprising the flotation of sulfides from hard-to-treat, partially oxidized copper ore. After standard xanthate flotation, tailings containing oxidized copper minerals (malachite) were subsequently floated with carboxylic acid as a

Chapter 12: Flotation of Copper Sulfide Ores | Engineering360

2021-8-9 · From a processing point of view, copper ores could be divided into: Copper sulfide ores, where the pyrite content can vary from 10% to 90%. The predominant sulfide mineral in this ore is pyrite, but may also contain pyrrhotite and mar-casite. Some copper sulfide ores also contain significant quantities of gold and silver.

Coarse-particle flotation applied to copper sulfide ores

2020-12-9 · for copper sulfide ores is around 4. For example, if you had a marginal mineral with a head grade in the coarse fraction of 0.25% Cu, the coarse pre-concentrate would have a grade of around 1% Cu. This pre-concentrate will need to be dewatered, and then go to coarse regrinding for

floatation of copper sulphide ore - triple-helix.co.za

Flotation of mixed copper oxide and sulphide . Copper oxide ores Copper sulphide ores Flotation collectors Mineral processing Alkyl hydroxamates abstract Sherwood Coppers Minto Mine processes a high grade coppergold deposit in Yukon, Canada. The ore mined is from a primary copper sulphide deposit with separate additional deposits of copper oxides.

Current Situation on Flotation of Cu-Pb-Zn Sulfide Ore

Current Situation on Flotation of Cu-Pb-Zn Sulfide Ore Jian-Tao Lang1, Si-Qing Liu2,*, Xu Dong3,Yi Pei4 1,2,3,4 Kunming University of Science and Technology, Kunming City, Yunnan Province, China *[email protected] Keywords: Copper-lead-zinc sulfide ore, Flotation process, Separation of bulk concentrate, Flotation column Abstract. In the flotation of copper - lead - zinc polymetallic sulfide ...

Method of flotation of sulfide copper-zinc ores

(57) Abstract: Usage: mineral processing, in particular flotation of copper-zinc sulphide ores and products. Method of flotation of sulfide copper-zinc ores includes the conditioning of the pulp in a calcareous environment with reagents-regulators sulfur, sodium, and zinc sulfate, the introduction of collector and Frother and subsequent separation with separation of copper minerals in the ...

US4460459A - Sequential flotation of sulfide ores - Google ...

A sequential flotation process for the recovery of high-grade concentrates of copper, lead and cobalt-nickel from sulfide ores is provided. A primary grind ore pulp is conditioned with SO 2 as H 2 SO 3 under intense aeration, and the conditioned pulp subjected to sequential flotation, with regrinding and conditioning of a copper rougher concentrate obtained in the first flotation step for copper.

A study of the effect of grinding environment on the ...

2018-6-15 · 1. Introduction. Flotation is widely applied in the mineral processing industry to recover valuable minerals from crude ores. In general, metallurgical performance of a flotation process depends mainly on the mineralogical nature of the ore being processed, the performance of the flotation cells, aeration and hydrodynamic conditions of the pulp in flotation cells, the particle size ...

Acid treatment of copper sulfide middlings and rougher ...

2008-8-1 · To enhance the flotation effectiveness of copper sulfide feed from carbonate ores the acidic preleaching operation with sulfuric acid is strongly recommended. The chemical leaching process appeared to be very selective and resulted in an apparent liberation of copper sulfide particles from non-floating, hydrophilic intergrowths and ...

Copper Mining and Extraction Sulfide Ores

The smelter for sulfide ores produces sulfur dioxide gas. This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores. Scrubbing sulfur dioxide also protects the environment. For example: FeO(s) + SiO 2 (s)→ FeO.SiO 2 (slag)

Collector for copper-arsenic ore flotation – DOAJ

2020-12-1 · Copper and scheelite concentrates are produced from scheelite-sulfide ores of the Vostok-2 deposit at the Primorsky processing plant. Chalcopyrite, gold,...

Coarse-particle flotation applied to copper sulfide ores

2020-12-9 · for copper sulfide ores is around 4. For example, if you had a marginal mineral with a head grade in the coarse fraction of 0.25% Cu, the coarse pre-concentrate would have a grade of around 1% Cu. This pre-concentrate will need to be dewatered, and then go to coarse regrinding for

Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

2020-1-8 · Keywords: flotation, process optimization, Taguchi orthogonal array, ANOVA. 1. Introduction Froth flotation is widely used for separating base metal sulphide minerals in complex ores. One of the major challenges faced by the flotation of these ores is the ever varying grade and mineralogy as the ore is exploited (Kabuda et. al., 2011).

Method of flotation of sulfide copper-zinc ores

(57) Abstract: Usage: mineral processing, in particular flotation of copper-zinc sulphide ores and products. Method of flotation of sulfide copper-zinc ores includes the conditioning of the pulp in a calcareous environment with reagents-regulators sulfur, sodium, and zinc sulfate, the introduction of collector and Frother and subsequent separation with separation of copper minerals in the ...

copper flotation process - Xinhai

2021-7-20 · Among them, the flotation method has become the main separation method of copper, lead and zinc sulfide ores because of its good separation effect on various complex polymetallic co-biogenic minerals. According to different ore properties, the copper-lead-zinc sulfide ore flotation processes are also different, mainly including preferential ...

NEW SELECTIVE COLECTOR FOR FLOTATION OF SULFIDE

2007-3-3 · Ores in the Elatsite depsoit are divided into three sorts: sulfide copper ores - not more than 10 %, mixed ores – oxide copper from 10 to 30 % and oxides with oxide copper more than 30 % Average copper content indifferent sorts of copper is the following: Sulfide ores in granodiorite rocks: 0.43% Sulfide ores in schistous rocks: 0.38%

Sulfide Ores - clariant

HOSTAFLOT® collectors are formulated to achieve the best possible recovery and selectivity when needed. Our solutions encompass the flotation of ores containing lead, zinc, copper, nickel, cobalt. Our FLOTANOL® frothers are customized to help you achieve the right froth to maximize the recovery of coarse or fine materials. Gold and Silver.

Acid leaching of oxide–sulfide copper ore prior the ...

2015-11-26 · 453 Acid leaching of oxide–sulfide copper ore prior the flotation – A way for an increased metal recovery Miroslav D. Sokić1, Vladan D. Milošević1, Velizar D. Stanković2, Vladislav Lj.Matković1, Branislav R. Marković1 1Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia 2University of Belgrade, Technical Faculty, Bor, Serbia

Copper Mining and Extraction Sulfide Ores

The smelter for sulfide ores produces sulfur dioxide gas. This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores. Scrubbing sulfur dioxide also protects the environment. For example: FeO(s) + SiO 2 (s)→ FeO.SiO 2 (slag)

Flotation Behavior of Complex Sulfide Ores in the Presence ...

2017-6-12 · Base metals such as copper, lead, and zinc are mainly extracted from sulfide ores. Mostly these base metals tend to exist together in an ore. Flotation process is widely used to separate these minerals in sulfide ores . A wide range of chemical reagents are used in the flotation process to separate the different minerals.

Collector for copper-arsenic ore flotation – DOAJ

2020-12-1 · Copper and scheelite concentrates are produced from scheelite-sulfide ores of the Vostok-2 deposit at the Primorsky processing plant. Chalcopyrite, gold,...