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bulk flotation of complex copper ore

BULK FLOTATION OF COMPLEX COPPER ORE FROM One kilogram of ore, at 200 mesh was used as feed to the bulk flotation that was conducted for 8 minutes Two collectors, inde pendently added, were used at 3 different dosages: 20, 30, and 40 g/ton The copper and zi nc contents were determined as well as their respective recoveries in the bulk concentrate Arsenic content and recovery were also …

US4283017A - Selective flotation of cubanite and ...

A process for beneficiating a finely ground ore containing sulfide minerals of copper and nickel by selective flotation to produce a copper concentrate and a copper-nickel concentrate comprises pulping the ore with water to form a slurry, conditioning the slurry with an aqueous solution of SO 2 (H 2 SO 3 ) equivalent to from about 2 to about 4.5 pounds of SO 2 per ton of dry ore for a time ...

bulk flotation of complex copper ore

complex. The methods used in the processing of copper-lead-zinc ore could be classi-fied as follows (Bulatovic, 2007): a) sequential copper, lead, zinc flotation method where the copper, lead, and zinc are sequentially floated to produce separate copper, lead and zinc concentrates, b) bulk flotation of copper and lead followed by zinc flota-

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

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 [1]. A wide range of chemical reagents are used in the flotation process to separate the different minerals.

Bulk flotation | Article about bulk flotation by The Free ...

The overarching goal of this work was to test the possibility of replacing sodium cyanide by chitosan polymer as a selective pyrite depressant in the bulk flotation of complex sulfide ore sample containing galena (PbS), chalcopyrite (CuFe[S.sub.2]), sphalerite (ZnS), pyrite (Fe[S.sub.2]), dolomite (CaMg[(C[O.sub.3]).sub.2]), and marcasite (a polymorph of pyrite).

Bulk Flotation Of Complex Copper Ore czechrepublic

Bulk Flotation Of Complex Copper Ore czechrepublic. One kilogram of ore at 200 mesh was used as feed to the bulk flotation that was conducted for 8 minutes Two collectors independently added were used at 3 different dosages 20 30 and 40 gton

Udokan Copper starts installation of bulk concentrate ...

Russia's Udokan Copper LLC says it has started the installation of equipment at the construction site of the project thickening and decantation area where the bulk concentrate, which has undergone atmospheric leaching, will undergo the thickening procedure in special tanks.

Investigation on Improving the Recovery of Molybdenum in ...

Improving the recovery of molybdenum is a research hotspot in the bulk flotation of Mo-copper sulphide ore. In this paper, the optimum flotation parameters for a kind of molybdenite ore obtained form Yunnan province, involving the grinding fineness, pulp concentration, dosages of kerosene and butyl xanthate, were determined in order to improve the recovery of Mo in the bulk Mo-copper flotation.

CANATUAN CU/ZN FLOTATION METALLURGY

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 of the ore body, a Cu/Zn separation circuit was initiated in early 2010 following an intensive laboratory test work program.

Danafloat

Under this scheme, a bulk galena and sphalerite flotation concentrate is produced at pH 6.5 (modified with H2SO4) with some copper sulphate addition to ensure full sphalerite activation. The bulk concentrate is subsequently conditioned with sodium hydroxide to achieve an approximate 11.5 pH and collector addition from which a lead concentrate ...

AN INVESTIGATION OF COPPER RECOVERY FROM A …

and newly discovered deposits are increasingly complex. As a result, research into the 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 ... surface reaction and bulk precipitation of copper oxides (Fuerstenau et ...

Feasibility Study of Differential Flotation of Cu–Pb–Zn ...

The copper and lead separation from bulk concentrate is usually carried out in two ways: depression of copper and lead flotation (cyanide method), and the copper flotation and depression of lead . According to the obtained results from about 40 industrial units which enriche the sulfide base metals complexes, it is concluded that firstly, in ...

Bulk flotation vs. Selective flotation - Froth Flotation ...

Copper and molybdenum is naturally a bulk float, and provides an example of the problem of separating minerals that have already floated. ... Agreed to all your above comments on definition of bulk and selective flotation. Every ore is having valuable minerals, trace minerals and contaminants. ... The grinding is a complex operation and one can ...

Copper Ore - an overview | ScienceDirect Topics

A bulk flotation process using sulfydryl collectors was found to be beneficial in treating a complex ore containing gold-bearing enargite (Curreli et al., 2005). An industry survey of flotation reagents used on 20 flotation plants treating gold-bearing copper sulfide ores was undertaken in 2012 ( …

Developing a Bulk Circuit Suitable for Chalcopyrite Pyrite ...

Copper-gold-pyrite ore types (with elevated pyrite content) are typically found in complex ore bodies which require a sequential flotation method to recover two products (copper - gold and pyrite - gold). Operating plants such as Telfer (Western Australia), Ok Tedi (Papua New Guinea)

Copper Nickel Flotation

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 …

bulk flotation of complex copper ore

complex. the methods used in the processing of copper-lead-zinc ore could be classi-fied as follows sequential copper, lead, zinc flotation method where the copper, lead, and zinc are sequentially floated to produce separate copper, lead and zinc concentrates, bulk flotation of copper …

bulk flotation of complex copper ore

BULK FLOTATION OF COMPLEX COPPER ORE Flotacao 2. III METHODOLOGY 17 3.1 Sample Preparation 17 3.2 Bulk Flotation 17 3.3 Reagents 18 3.4 Chemical Analysis 19 3.5 Microscopy 19 3.6 Recovery Calculations 20 3.7 Experimental Design and Statistical Methods of Analysis 21 viii PAGE IV RESULTS AND DISCUSSION 22 4.1 Ore Characterization 22 4.2 Flotation Results of Copper, Zinc, …

bulk flotation of complex copper ore

Keywords: Flotation, Complex Sulfide Ore, Copper, Lead, Zinc, Chalcopyrite, Galena, Sphalerite . vii ÖZ ARTVİN-DEREİÇİ KOMPLEKS SÜLFÜRLÜ CEVHERİNİN FLOTASYON 2.6.2 Bulk Copper-Lead Flotation .. 25 2.6.3 Bulk Copper-Lead-Zinc Flotation and Subsequent Selective Flotationget price

Principles of Flotation | PDF | Chemical Substances ...

BULK FLOTATION OF COMPLEX COPPER ORE FROM SIOCON, ZAMBOANGA SIBUGAY. Flotation 21. 64041 Heap Leach Pad Design and Construction Practices in the 21st Century. Afolabi 12. flotation-teory. Flotasi Dgn Regen Bakter. SimSX Full Version 3.0. Flotation of Mixed Copper Oxide and Sulphide Minerals With Xanthate and Hydroxamate Collectors.

FLOTATION OF COPPER MINERALS FROM NORTH M. …

FLOTATION OF COPPER MINERALS FROM NORTH WAZIRISTAN COPPER ORE, ON PILOT-SCALE M. Mansoor Khan, Mazhar Rafiq and *Ehteshamullah Khan (Received on 20-7-1999 and, in revised form, 18-8-1999) ABSTRACT Flotation process parameters were studied to concentrate the copper content i.e. Chalcopyrite of North Waziristan copper-ore on Pilot-scale to obtain

Copper Nickel Flotation

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 …

Flotation of Copper-Lead-Zinc Ores - ResearchGate

This paper is aimed at a typical complex polymetallic copper-zinc sulfide ores in Yunnan province, China, and adopted the process of bulk floatation discarding tailing under coarse grinding ...

Bulk Flotation Of Complex Copper Ore

Mixed selective flotation process From the bulk flotation of copper ore nickel,.Separation may be a simple bulk float (i.e.pyritic gold ores, some copper ore with negligible pyrite) or as is the case for polymetallic ores, a complex three stage sequential separation (ie copper, lead, zinc).

Bulk Flotation Of Complex Copper Ore

Bulk Flotation Of Complex Copper Ore. Mineral Processing Equipment: Bulk flotation of complex copper ore - A type of mining equipment that can trigger the development and change of the beneficiation technology industry.The main core machines are ball mills, rod mills, flotation machines, magnetic separators, etc.

bulk flotation of complex copper ore

bulk flotation of complex copper ore. plant,bulk flotation of complex copper ore. Our leading products have crushing equipment, sand making equipment, mobile crusher;The products includes five series: crusher, sand making machine, powder grinding mill, mineral processing equipment and building materials equipment.get price

Copper-Lead-Zinc ores - Danafloat

Most often the copper minerals are floated after galena depression. Galena is depressed using sodium dichromate, sodium sulfite, polysaccharide (starch, dextrin) or even CMC. Addition rates of these depressants can be critical if any recirculating load is returned to the bulk rougher circuit. This flotation step is conducted at alkaline pH.

(PDF) BULK FLOTATION OF COMPLEX COPPER ORE | Khmer …

BULK FLOTATION OF COMPLEX COPPER ORE FROM SIOCON, ZAMBOANGA DEL NORTE _____ An Undergraduate Thesis Presented to the Faculty of the Metallurgical Engineering Department College of Engineering MSU- Iligan Institute of Technology Iligan City _____ In Partial Fulfillment of the requirements for the degree of Bachelor of Science in Metallurgical Engineering Khmer Lee P. Lugod …

Bulk Flotation Of Complex Copper Ore - Flotation Machine

Separation may be a simple bulk float c gold ores some copper ore with negligible pyrite or as is the case for polymetallic ores a complex three stage sequential separation ie copper lead zinc. Get Quote Flotation Characteristics Of A Complex . Flotation characteristics of a complex copper ore a comparison between wet and dry grinding collected ...

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 ...