Flotation Of Copper Oreflotation Of Cu And Ni

flotation of cu and ni

low grade copper ore flotation machine. Research on the flotation of low grade copper-nickle The results indicated that the high-quality mixed concentrate with the recoveries of Cu and Ni 76 % and 656 % and the grade of Cu and Ni were 466 % and 43%, respectively, was got under the condition of sodium silicate (200 g/t), CMC (200 g/t), copper sulphate200 g/t, amyl xanthate 100 g/t and pine oil ...

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

optimum conditions for the flotation of nickel, copper and cobalt from a nickel-copper sulphide ore. The parameters investigated include collector dosage, percentage solids, depressant dosage and pH. The effects of these parameters at three different levels on the recovery of Ni, Cu and Co were investigated using an L 9 Taguchi orthogonal array.

Copper Nickel Flotation

Jun 15, 2017 · The Bureau of Mines investigated the flotation responses of two copper nickel ore samples from the Duluth Complex with the objective of recovering bulk sulfide concentrates. One of the ores studied was taken from a test pit; the other was taken from a test shaft. The samples were quite similar except that the pit sample analyzed 0.35 pct Cu and 0.11 pct Ni and the shaft sample analyzed

Copper Flotation - Mineral Processing & Metallurgy

May 16, 2016 · A Copper Flotation Flowsheet. Because the copper in this type of ore usually assays only plus or minus 1% copper, the porphyry copper operations must be relatively large in order to be commercial. The flowsheet in this study illustrates a typical 3,000 ton per day operation. In general most operations of this type have two or more parallel ...

NICKEL AND COBALT ORES: FLOTATION

contain very low grades of nickel (0.6%) and copper (0.04}0.4%). The easily Soatable non-sulRde min- ... Developments in Flotation Flotation of Nickel Sul\de Minerals Collectorless Wotation It is known that chalcopyrite ... tively separate Cu}Ni ores from pyrrhotite gangue in

Activation mechanism of serpentine by Cu (II) and Ni (II ...

Activation mechanism of serpentine by Cu (II) and Ni (II) ions in copper-nickel sulfide ore flotation February 2014 Zhongguo Youse Jinshu Xuebao/Chinese Journal of Nonferrous Metals 24(2):506-510

Oxidation of Complex Ni-Cu Sulphide Ores and its ...

Jul 18, 2013 · Oxidation of complex nickel-copper sulphides is a serious concern in their flotation. This paper addresses this issue through a study of batch tests using stockpile samples and fresh samples oxidized in the lab.

(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 ...

Influence of depressant foenum-graecum on the flotation

Aug 10, 2015 · The Cu/Ni sulfide ore for bench-scale flotation was from the Yanbian Copper–nickel Mine. The results of chemical analysis of the ore are listed in Table 2.It showed that the main composition of the ore for bench-scale flotation is as follows: 27.81% MgO, 38.91% SiO 2, 12.38% Fe 2 O 3 and 6.02% CaO, which only contained 0.20% Cu, 0.43% Ni in this low-grade Cu/Ni sulfide ore.

Solvent extraction of Cu, Mo, V, and U from leach ...

Abstract Flotation tailings from copper production are deposits of copper and other valuable metals, such as Mo, V and U. New hydrometallurgical technologies are more economical and open up new possibilities for metal recovery. This work presents results of the study on the extraction of copper by mixed extractant consisting p-

flotation of cu and ni

low grade copper ore flotation machine. Research on the flotation of low grade copper-nickle The results indicated that the high-quality mixed concentrate with the recoveries of Cu and Ni 76 % and 656 % and the grade of Cu and Ni were 466 % and 43%, respectively, was got under the condition of sodium silicate (200 g/t), CMC (200 g/t), copper sulphate200 g/t, amyl xanthate 100 g/t and pine oil ...

(PDF) Flotation of Nickel-Copper Sulphide Ore ...

Aug 11, 2014 · the flotation recovery of Ni, Cu and Co from a nick el-copper sulphide ore. The effect on flotation performance of various parameters such as pH,

Flotation of Fully Liberated Low Grade Copper-Nickel Ore

Mar 21, 2021 · water. Flotation was started by opening the air valve, and the air flow was adjusted to 4 L/min, while the copper concentrate was collected for five minutes followed by the nickel concentrate. The concentrates were weighed and dried in an oven overnight. Small samples of copper and nickel concentrates along with feed sample were cast into ...

1 Froth Flotation – Fundamental Principles

Table 1: Grade/recovery performance of a hypothetical copper ore flotation process. Product % Weight % Cu Assay Feed 100 2.09 Concentrate 10 20.0 Tailings 90 0.1 (a) From Table 1, the Ratio of Concentration can be calculated as F/C = 100/10 = 10. If only assays are available, the ratio of concentration equals (20 – 0.1)/(2.09 – 0.1) = 10

(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 ...

Water quality effects on flotation: Impacts and control of ...

Aug 15, 2018 · Fig. 3 shows a typical copper flotation performance varying in winter with respect to Ni recovered to copper concentrate in the absence of any monitoring and corrective action to minimise this. Download : Download high-res image (150KB) Download : Download full-size image; Fig. 3. Water intensity vs Ni recovered into the Cu concentrate.

Study of Flotation Parameters for Copper Recovery from ...

copper sulphides, difference in their activity and size create the considerable problems in implementation of selective flotation, obtaining conditional copper and zinc concentrates. Despite several of studies that have been done related to this issue, effective selective flotation of tennantite ores is still the subject to investigation. 4.2.

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 ...

Copper-Nickel Ore Processing - 911 Metallurgist

Nov 07, 2019 · Copper Solvent Extraction. The separation of copper from nickel is based on the fact that there is an appreciable difference in the pH at which the two metals are extracted. Copper can be extracted, with very small amounts of nickel, at pH 6.0 to 6.5, while nickel is extracted from the copper raffinate at pH 8.0 to 8.2.

Copper activation option for a pentlandite–pyrrhotite ...

May 30, 2016 · Introduction Different sulphide ores respond differently in the prospect of copper activation to thiols for froth flotation. With the BCL Selebi-Phikwe ore body, pentlandite–pyrrhotite–chalcopyrite co-occur and there is the constraint of fine pentlandite dissemination in the pyrrhotite, so that liberation is limited. In the presence of pentlandite, pyrrhotite can even be

Sulphide Flotation - an overview | ScienceDirect Topics

The concentrate tested was a flotation concentrate from the Northmet project, USA, assaying 14.7% Cu, 3.05% Ni, 0.14% Co, 26.7% S, 1.4 g/t Au, 2.2 g/t Pt, and 9.9 g/t Pd. Pressure-oxidation conditions were 225 °C, pulp density was 11%, retention time was 120 min, and oxygen overpressure was 689 kPa.

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.

flowsheet of cu au flotation process

Copper Sulfide Flotation Mineral Processing Metallurgy. The above flowsheet is designed for the treatment by flotation of copper as chalcopyrite with gold and silver values The ore ranging from 6065 silica with pyrite arsenopyrite and calcite with 3 to 4 copper This flowsheet though simple is adequate for tonnages of 100 to 500 tons or more per day depending on the size of equipment selected

Cu-Pb-Zn, Copper-Lead-Zinc Ores, Copper Lead Zinc Flotation

It is reported that more than 90% of non-ferrous metal ores (copper, lead, zinc, etc.) adopt flotation process, especially for those with fine grain and complex symbiosis. Flotation process can achieve ideal separation effect, and separately recover low-grade ore then enrich multiple high-grade concentrates.

flotation of cu and ni

low grade copper ore flotation machine. Research on the flotation of low grade copper-nickle The results indicated that the high-quality mixed concentrate with the recoveries of Cu and Ni 76 % and 656 % and the grade of Cu and Ni were 466 % and 43%, respectively, was got under the condition of sodium silicate (200 g/t), CMC (200 g/t), copper sulphate200 g/t, amyl xanthate 100 g/t and pine oil ...

Development of a Combined Flotation and High Pressure ...

The flotation experiments were performed in a 0.5 L mineral separator (MS) type laboratory flotation cell to upgrade recoveries of Cu and Ni (bulk flotation) from mine tailing. In flotation tests, an appropriate weight of the mine tailing sample was poured into 500 mL of water to prepare slurry/feed with different

Co 397 124 ore Ni 375 70 Element Copper tailings ...

Leaching of Cu-radiotracer using 0.5M H 2 SO 4 Copper ore (Cu-64, 1346 keV) Flotation tailings (Cu-64, 1346 keV) Fig.9 0 10 20 30 40 50 60 70 80 90 100 Co Ni Zn Mo Ag Cd Sb U Th LREE HREE V Cu Fe Pb Recovery [%] Recovery of metals from flotation tailings by using different acids and conditions 1.5M HNO3, 24h 1M citric, 48h 2M CH3COOH, 48h Fig.8

(PDF) BULK FLOTATION OF COMPLEX COPPER ORE | Khmer Lee ...

Monothiophosphates are relatively new collectors for sulfide ore flotation. Monothiophosphates (MTPs) are effective copper collectors at typical pH usage range from neutral to alkaline. They are highly selective against Iron Sulphides. They also improved the recovery of valuable metals such as Pb, Cu, Zn, PGM‘s and Ni (Dithiophosphates, 2010).

Arsenic Rejection in the Flotation of Garson Ni-Cu Ore

Jan 01, 2005 · With a flow sheet consisting of a magnetic separation, rougher- scavenger flotation, followed by regrinding and cleaning of combined magnetic and scavenger concentrate, the arsenic recovery to the final Cu-Ni bulk concentrate was reduced from 73 per cent in baseline test to less than 30 per cent with either reagent suite at no decrease in ...

Arsenic Rejection in the Flotation of Garson Ni-Cu Ore

Inco's Clarabelle mill currently processes ores from eight mines in the Sudbury basin area in Ontario, Canada. The ore from the Garson mine contains a much higher concentration of arsenic than the other ores. Adding this ore into the feed to the mill has resulted in an increase in arsenic content of the Cu-Ni bulk concentrate to a level that significantly affects the smelter operation, and ...

Flotation and Tailing Discarding of Copper Cobalt Sulfide ...

The mineral composition of copper–cobalt ores is more complex than that of copper sulfides, and it is also difficult to discard tailing efficiently in primary flotation for the fine-grained disseminated of ore. In this work, a mineral liberation analyzer (MLA) was employed to study the characteristics of minerals. As a significant mineralogical characteristic, the liberation degree of useful ...

FLOTATION OF COPPER-NICKEL SULFIDE ORES - DAVID WESTON

What I claim as my invention is 1. A process for the flotation recovery of copper and nickel sulphide minerals from ore containing both such minerals by a process in which at least two conditioning steps precede flotation, said process comprising: -- conditioning a pulp of the ore in the presence of an alkaline agent to produce a conditioned alkaline pulp; then, in at least one further ...

Handbook of Flotation Reagents - MESA

15.3.2 Soda ash-sulfurous acid Cu-Pb-Zn sequential flotation method ..... 374 15.3.3 The lime-starch-SO 2 depressant system in sequential ... 16 Flotation of Nickel and Nickel-Copper Ores ..... 401 16.1 Ore Types and Mineralogy ..... 401 16.2 General Overview of the Methods used in the Beneficiation of ...

Flotation in Seawater | SpringerLink

Nov 01, 2018 · A classification of flotation processes carried out in concentrated electrolyte solutions, e.g., seawater, is proposed using the most obvious features of these processes: low or high content of Mg 2+ and Ca 2+ ions, pulp ionic strength, and pH. The first distinguishable group is the processes carried out in NaCl/KCl solutions, about 0.5 M in the case of salt flotation of inherently hydrophobic ...

nickel ore processing primary cu ni flotation

Savannah Nickel-Copper-Cobalt Mine Expansion Mining . Savannah above 900F's ore reserve has been approximated to be 1.56Mt grading 1.16% Ni, 0.74% Cu and 0.06% Co, containing 18,000t of nickel, 11,500t of copper and 900t of cobalt. Mining and processing at the nickel-copper-cobalt mine. Get Price nickel ore flotation machine images, nickel ore ...

(PDF) High-performance reagent modes for flotation ...

flotation of copper-nickel and copper-molybdenum ores is known to have po sitive effects [7]. The other advantage of PTTC and OPDTC is that these reagents may be prepared and added into flotation

Enhancing flotation separation of chalcopyrite and ...

Mar 18, 2021 · As for the talc type Copper-Nickel Sulfide Ores, the talc entrained in flotation concentrate with foam will affect the grade of copper sulfide ore, so gum Arabic (GA) is

FLOTATION PROCESSING OF COPPER-MOLYBDENUM ORE

mode and the use of flotation reagents, given that flota-tion is the main method of extraction of non-ferrous metals [3]. Studies were conducted on the effectiveness of the anabasinium, a new “PS” flotation reagent, in the flotation of sulfide copper ores in open and closed cy-cles. The obtained results confirm that the use of the

Copyright © 2020.Company name All rights reserved.SiteMap