Welcome to BNA company!

No. 1688, Gaoke East Road,Shanghai, China.

Call us anytime

0086-21-58386256

Opeening Time

Mon-Sat: 8.30-18.00

A Multistage Sulphidisation Flotation Procedure for a Low ...

basic sulphidisation procedures, a high flotation temperature and extended flotation residence time. Keywords Froth flotation, Sulphidisation, Copper oxide ore, Mineralogy, Recovery I. INTRODUCTION HIS article concentrates on the development of the flotation procedure for an oxide copper ore in the RCA. Oxide copper ores are very common in the RCA.

Innovations in Copper: Mining & Extraction: Producing ...

BacTech Enviromet Corp., in conjunction with Mintek, 14 has developed proprietary technologies for the high temperature leaching of copper concentrates. Working in conjunction with Industrias Penoles SA de CV, one of Mexico's largest and most diverse mining companies, they operated a 2.2-metric tons per day (mt/d) stirred-tank copper-concentrate bioleach demonstration plant in Monterrey ...

Single Displacement Reaction: Zinc and Copper(II) Ion ...

When zinc metal is immersed in a solution of 0.1 M aqueous copper(II) sulfate solution c opper metal plates out on the zinc.The solution is initially blue in color. A dark coating of copper metal appears on the zinc within two minutes and when 45 minutes have elapsed, there is a thick coat of copper metal powder on the zinc strip and the blue color of the solution has lightened considerably.

Copper Flotation - Mineral Processing & Metallurgy

Although basic porphyry copper flotation and metallurgy has remained virtually the same for many years, the processing equipment as well as design of the mills has continually been improved to increase production while reducing operating and …

CN104342561A - Method for recovering copper, iron and ...

The invention provides a method for recovering copper, iron and silicon from copper smelting slag. The method comprises the following steps: (a) adopting oxygen to oxidize hot copper smelting slag to obtain mixed slag charge, wherein the temperature of the hot copper smelting slag is 1000-1350DEG C, and the mixed slag charge comprises hematite, copper oxide ore and quartz mine, and carrying ...

Copper Ore - an overview | ScienceDirect Topics

William G. Davenport, in Extractive Metallurgy of Copper (Fifth Edition), 2011. 1.2.1 Concentration by Froth Flotation (Chapters 3 and 4 Chapter 3 Chapter 4) The copper ores being mined in 2010 are too lean in copper (0.5–2% Cu) to be smelted directly. Heating and melting their huge quantity of waste rock would require prohibitive amounts of ...

copper flotation circuit - cigar2019.nl

Pyrite flotation: Magma Copper Company's infohouse p2ric /ref/18/17051 pdf. PYRITE FLOTATION: MAGMA COPPER COMPANYS SUPERIOR FACILITY The pyrite flotation circuit is similar to the copper flotation circuit and uses existing flotation. Inquire Now; Flotation 3 …

AUTOMATION ADVANCED CONTROL EXPERT (ACE)

Flotation ACE CONTROL OBJECTIVES • Stabilize the froth depth and level in the flotation cells • Increase mineral recovery by reducing variability of flotation cell levels FLOTATION CASE STUDIES Location: Minera Los Pelambres Mine • Reduced variability in rougher cell levels by 21.6% • Increased copper recovery in rougher cells by 0.7%

US10685646B2 - Voice control of a flotation tank - Google ...

US10685646B2 US15/680,941 US201715680941A US10685646B2 US 10685646 B2 US10685646 B2 US 10685646B2 US 201715680941 A US201715680941 A US 201715680941A US 10685646 B2 US10685646 B2 US 10685646B2 Authority US United States Prior art keywords tank float user command audio Prior art date Legal status (The legal status is an assumption and is …

Froth flotation - Wikipedia

Froth flotation is a process for selectively separating of hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

Temperature Sensors: Types, How It Works, & Applications

The Encardio-rite Model ETT-10V vibrating wire temperature meter is used for the measurement of internal temperature in concrete structures or water. It has a resolution of better than 0.1°C and works similar to that of Thermocouple Temperature Sensors. It also has a high temperature range from …

7 Factors Affecting Froth Flotation Process - JXSC Machine

By controlling the critical pH, it is possible to control the effective sorting of various minerals. Therefore, controlling the pH value of the slurry is one of the important measures to control the flotation process. (3) Flotation Time. The flotation time directly affects the quality of the indicator.

Acid Leaching Copper Flotation Concentrate

Acid Leaching Copper Flotation Concentrate. As an alternative to Acid Leaching, Copper Chalcopyrite (CuFeS2) concentrates are processed traditionally by smelting, which results in sulfur dioxide (SO2) emissions. The development of a hydrometallurgical process for recovery of metals from concentrates of Cu ores offers industry a low-cost, low ...

Commercial Chelating Extractants as Collectors Flotation of

flotation obtained when copper uw added to the system supports this mechanism. The dependence of flotation of chrysocolla and cupn"te on pH and reagentumg time is discussed on the basis of the proposed mechanism. Batch laboratory flotation tests wing syntheu.c mixtures of oxide, sulfide and mixed oxidt-sulfide copper minerals wa"th

A STUDY OF FLOTATION AND LEACHING BEHAVIOUR OF …

Collectorless flotation of chalcopyrite observed under oxidizing conditions using air is thought to be prevalent even in the presence of a collector obscuring the selectivity of the process. Leaching of the mixtures of bornite and chalcopyrite at mass ratios of 1:1, 1:3 and 3:1 are

Formation of giant iron oxide-copper-gold deposits by ...

Iron oxide-copper-gold (IOCG) systems are among the world's richest mineral deposits, making for highly profitable mining operations 1,2,3.By-product strategic elements including Co, …

Smelting - Wikipedia

Smelting is a process of applying heat to ore in order to extract a base metal. It is a form of extractive metallurgy.It is used to extract many metals from their ores, including silver, iron, copper, and other base metals.Smelting uses heat and a chemical reducing agent to decompose the ore, driving off other elements as gases or slag and leaving the metal base behind.

Selective Separation and Recovery of Valuable Metals by ...

The anode slime produced from copper electrorefining is an important by-product in the recovery of valuable metals, especially precious and rare metals.1,2,3 Treatment processes of copper anode slime include traditional pyrometallurgy electrolysis, hydrometallurgy and a flotation-metallurgy combination process. At present, countries using the flotation-metallurgy combination process to treat ...

Water Requirements of the Copper Industry

TABLE 1. Water use in the copper industry in Arizona and Texas, 1951. 188 2. Unit use of water in the mining of copper ore, 1955_____ 190 3. Previously published data showing unit use of water in the con­ centration of copper ores principally by water-gravity sepa­ ration and flotation…

Statistical Evaluation and Optimization of Factors ...

2.1. Materials. Copper flotation waste has a black color and a glassy appearance. The specific gravity of copper flotation waste under investigation is 3100 kg/m 3.The absorption capacity of the waste material is typically very low (0.13%).

Method of flotation enrichment of sulphide ores

Concentrate control flotation was treated with CMC (100 g/t), copper sulphate (10 g/t), xanthate (5 g/t) and I spent the control cleaners with getting tailings No. 2 and concentrate, which after submission of CMC (100 g/t) received at the second control cleaners.

Douglas Mutambo - flotation control room operator - First ...

Control all necessary parameters during blowing times as recommended in the Operations Manual i.e. Temperature, Pressure, Flowrate and Oxygen ... I had the privilege of working under one of the veteran Metallurgists, John Peter Mutambo, at one of the relatively new mines in Zambia. ... flotation control room operator at First Quantum Minerals LTD.

Leaching kinetics of copper flotation tailings in aqueous ...

The main copper minerals contained in the flotation tailings are chrysocolla, malachite, and cuprite, with the copper grade of 1.12%. Effects of lixiviant concentration, solid‐to‐liquid ratio, stirring speed, and reaction temperature on copper leaching ratios at various time were investigated.

COPPER Copper production - TU Delft

Copper production About 80 % of primary copper production comes from low-grade or poor sulfide ores. After enrichment steps, the copper concentrates are usually treated by pyrometallurgical methods. Generally, copper extraction follows the sequence (see Figure below): 1. Beneficiation by froth flotation of ore to give copper concentrate

Recovery of metal values from copper slags by flotation ...

In addition to sulphating temperature, it was found that a great effect on copper leaching has the pyrite/flotation tailings: ratio. The best results were achieved by sulphating of 5.00 g slag ...

Water Consumption at Copper Mines in Arizona

River under the 1944 Horseshoe Exchange Agreement (according to ADWR). Water use in acre-feet by Morenci is as follows: 1991-1995 1996-2000 2001-2005 Surface Water 2,425 2,105 1,141 Groundwater 13,700 17,800 8,100 Morenci has a $9-million water recovery and control system that keeps the water on the mine property.

CESL publication copper pyrite leaching behaviour under ...

The amount of pyrite in copper concentrates fed to the CESL Process can vary appreciably. The fraction of ... pyrite from copper concentrate in the upstream flotation step. However, this may not be practical due to ... cooling coils for temperature control, and a .

(PDF) Turpentine-based flotation agents in copper-nickel ...

Flotation and depression control of arsenopyrite through pH and pulp redox potential using xanthate as the collector ... By Antonio Flores. Evaluation of sodium isobutyl xanthate as a collector in the froth flotation of a carbonatitic copper ore. By Abraham Adeleke. Enhancing the flotation recovery of copper minerals in smelter slags from ...

Flotation Cell (Frothing) Air Control in Mining Operations

Flotation Cell (Frothing) Air Control in Mining Operations . Application Note Case Study ANCS 012 . Flotation cells are a common ore recovery technique applied in ore and mineral mining operations such as copper and gold. The fotation cell is used to foat ore …

(PDF) Control of grinding conditions in the flotation of ...

A comparison of the amount of EDTA extracted copper in Tables 6 and 3 shows that a much lower amount of copper hydroxide Table 6 Effect of grinding conditions on the amount of EDTA extracted iron and copper in chalcopyrite – pyrite mixture experiments Grinding condition Extracted Fe Extracted Cu (medium; gas) (mol/m2 mineral) (mol/m2 mineral ...