پلاک 1688، جاده شرقی گائوکه، ناحیه جدید پودونگ، شانگهای، چین.
پلاک 1688، جاده شرقی گائوکه، ناحیه جدید پودونگ، شانگهای، چین.
Nov 01, 2011· Froth flotation is a physicochemical process that has been used for more than a century in the concentration of copper sulphide minerals (Herrera-Urbina, 2003). This process is based on the wettability of mineral particles to recover the mineral species of interest and depress unwanted gangue.
Flotation experimental research is carried out on a certain sulphide copper ore of Sifangjing in Huidong, Sichuan province. The ore exist in the deeper part of ore deposit. Because of the deep burried, the oxidation rate is relatively low. The ore belongs to the typical sulfide ore. For the characteristics of the mine and the scene of the test requirements, the use of direct flotation process ...
copper sulfide flotation - mineral processing amp; metallurgy flowsheet for treatment of copper sulfide ores rich in minerals 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 ...
Apr 13, 2016· Copper Sulfide Flotation Circuit. Beneficiation of Copper Sulfide by Flotation. Copper, due to the present world demand and price, is of foremost interest to the mining industry.Many new properties are either in the process of being brought into production or are being given consideration.
copper sulfide and oxidized copper minerals. The sulfide minerals are readily concentrated by flotation. Although concentration of oxidized minerals by flotation methods by the Kenneoott Copper Company in Alaska was successful, many other large and small scale attempts have failed. Chapman1
Oct 10, 2015· High copper grade and recovery were obtained with dithiophosphate at dosage of 200 g/t slag, implying that sufficient coverage for flotation of the copper sulphide mineral surface had been achieved at lower dosages.
Flotation of an Oxidized Copper Sulfide Ore Ahmed A. Seifelnasr 1, Ghorashi Z. Zain 2, Abdel-Zaher M. Abouzeid *3 1 Faculty of Petroleum and Mining Engineering, Suez University, Suez, Egypt
(2016). A study on selective flotation in low and high pyritic copper sulphide ores. Separation Science and Technology: Vol. 51, No. 13, pp. 2214-2224.
Jul 09, 2019· Copper Sulfide Ore and Flotation Process. by JXSC Mining. 1 Types of copper sulfide ore (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper. …
Aug 01, 2005· Sulfidization requires pulp potential control to keep this parameter in the range of 0 to +100 mV, yielding high copper recoveries at minimum collector (90 git) and fr other (60 git) dosages. Flotation with nitrogen reduces the sodium sulfide dosages required to …
1 . Coarse-particle flotation applied to copper sulfide ores . J. Concha1, E Wasmund2, M. Mankosa3. 1. Deputy Managing Director, Eriez Flotation Division Peru, [email protected]
May 18, 2017· The addition of ammonium salts is an effective way for enhanced sulfidation on the sulfide-xanthate flotation of copper oxide 22. We obtained the same result as that of ref. 22, ...
Copper Sulfide Flotation 911 Metallurgist. Apr 13 2016 Copper Sulfide Flotation Circuit Beneficiation Of Copper Sulfide By Flotation Copper Due To The Present World Demand And Price Is Of Foremost Interest To The Mining Industrymany New Properties Are Either In The Process Of Being Brought Into Production Or Are Being Given Consideration.
Highlights Biosolids and humic acids may be used as flotation reagents of copper sulphide ores. We determine indicators such as copper recovery and copper concentrate grade. Humic acids and industrial flotation reagents show similar copper grade and kinetic. Humic acids have more affinity than biosolids for copper-containing mineral species. Biosolids and humic acids have potential to ...
xanthate are involved in chalcopyrite flotation, it would be expected that chalcopyrite is as sensitive to cyanide additions as pyrite is. 3. Sulphide as depressant Very stable cupric sulphide (CuS) will occur due to chemisorption of sulphide ions. Oxidation potential of the solution will be lowered when sulphide …
A novel flotation promoter used in the concentration of copperbearing ores for the efficient selective flotation of copper values, including chalcopyrite, with suppression of iron pyrites; the promoter comprising a sodium sulfate of an aliphatic hydrocarbon having a carbon chain of less than 12 carbons.
History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for
techniques in a flowsheet to treat a copper sulphide ore by flotation could significantly increase the recovery of coarse copper sulphide bearing particles. This application could reduce grinding energy requirements, or allow for increased throughput on existing circuits without compromising metal recovery.
the flotation recovery of Ni, Cu and Co from a nickel-copper sulphide ore. The effect on flotation performance of various parameters such as pH, collector dosage, % solids and depressant dosage at different levels was investigated. Therefore, the main objective of the study was to optimize the process parameters for the flotation of base metals ...
The flotation of the polymetallic sulfide ore of copper, lead, and zinc is generally suitable at alkaline pH conditions. Lime and soda are common agents used in adjusting the pH of the slurry. These agents were used and the effects of
Feb 16, 2021· The copper flotation tailings were cyanided for 4 hours; 28.9 percent of the total gold and 35.8 percent, of the total silver were extracted, giving overall recoveries of 91.2 percent of the Gold and 97.0 percent of the silver. Cyanide consumption was 4.7 pounds per ton of original ore.
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.
Correlated the slag mineralogy with flotation performance of copper sulphide. The role of single collectors and collector mixture were evaluated in terms of copper grade and recovery. Examined the flotation results to investigate that whether there was synergistic effect arising from mixing collectors.
Jul 09, 2019· The floatability of common copper sulfide minerals is reduced in the following order: chalcopyrite > covellite > bornite > chalcopyrite. (4) The floatability of copper sulfide minerals is also affected by factors such as crystal grain size, grain size, etc. fine grain is not easy to float.
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.
In the quest of new, less hazardous, and more ambient-friendly froth flotation reagents, the use of biosolids or humic acids as both collector and frother for the concentration of copper sulphide ores was investigated. Rougher flotation tests were
Aug 28, 2020· In this research, flotation of copper, lead and zinc minerals from a copper oxide–sulfide ore was studied. The identification tests showed that the sample is a mixture of quartz, chalcopyrite, galena, cerussite, hemimorphite and iron oxide minerals with 5.04% CuO, 1.61% PbO, 2.07% ZnO and 56.40% SiO 2.The experimental design methodology (RSM) was conducted to investigate the effect of ...
The current processing techno- logy - the classic flotation of the entire excavated ore, without the separation of oxide and sulfide ores, due to the low copper recovery from oxide ore, has achieved the modest financial results.
The oxidised sulphide ore was studied by artificially oxidising a copper sulphide ore to various states during 16 months. For each oxidation state, the effect of chemistry was studied through a series of grinding and flotation tests completed under various grinding environments.
FLOTATION OF COPPER-NICKEL SULFIDE ORES. United States Patent 3667690. Abstract: 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 ...
During the initial stages of sulphide operation, high copper (Cu)-low zinc (Zn) ore was fed to the plant. Marketable copper concentrate at 91-95% recovery was produced utilizing a high-pH bulk sulphide rougher flotation and 2 cleaning stages. Because of increased levels of Zn
improvement of sulphide-oxide copper ores processing through the use of mixed collector systems has surged. The flotation of a natural porphyry copper ore with bornite and malachite was investigated via fundamental work with pure minerals and a bench-scale testing regime. The
A study on selective flotation in low and high pyritic copper sulphide ores Ahmad Hassanzadeha and Mohammad Hasanzadehb aDepartment of Mineral Processing Engineering, Faculty of Mines, Istanbul ...
