patent us5439115 process for selective flotation of copper:

US Patent for Process for selective flotation of copper-lead

In a process for a selective flotation of a copper-lead-zinc sulfide ore the raw ore is ground and slurried with water and the resulting suspension is aerated with air to adjust a certain

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Process for selective flotation of copper-lead-zinc sulfide ...

1993year11month9day · United States Patent 5439115 . Abstract: In a process for a selective flotation of a copper-lead-zinc sulfide ore the raw ore is ground and slurried with water

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Process for selective flotation of copper-lead-zinc sulfide

Complete Patent Searching Database and Patent Data Analytics Services. Process for selective flotation of copper-lead-zinc sulfide Login Sign up

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Process for increasing the selectivity of mineral flotation

Abstract. A method for enhancing the selectivity of a collector agent used in froth flotation for attaining mineral separation in a copper sulphidic mineral bearing ore beneficiation

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Selective Flotation - Mineral Processing

2015year9month17day · I need to restate I suppose that flotation is a process of concentration in which we must put has much metal as possible into as

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Copper Sulfide Flotation - Mineral Processing

2016year4month13day · 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

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Copper Flotation - Mineral Processing

2016year5month16day · 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.

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Selective flotation of inorganic sulfides from coal (Patent)

This patent describes a method for separating ash and sulfur contaminants from feed coal in a flotation process. It comprises grinding the feed coal to a particulate size; forming a

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United States Patent (19) 11 Patent Number: 5,439,115

2017year11month6day · Beyzavi, A. N. et al. “Selective Flotation of Sulfidic COmplex Ores . . . ' Elsevier from Proceedings of the XVE International Mineral Processing Congress Amster dam 1988. Primary Examiner-Thomas M. Lithgow Attorney, Agent, or Firn-Herbert Dubno; Jonathan Myers 57 ABSTRACT In a process for a selective flotation of a copper-lead

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A Comprehensive Recovery Process for Selective

2022year3month19day · A comprehensive recovery process for the selective separation and enrichment of copper, zinc and iron minerals from a polymetallic ore was developed, which consisted of copper flotation, zinc

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

2017year8month3day · 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

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Enhancing the flotation recovery of copper minerals in

2020year1month1day · Various flotation reagents that are commonly used for copper flotation were identified, selected and used during the flotation test work in order to identify the best reagent best suited to float the copper slags. Potassium amyl xanthate (PAX) and Flotanol CO 7 were used in all tests as the primary collector and frother.

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Copper Mining and Processing: Processing Copper Ores

1 天前 · This process uses a series of physical steps and high temperatures to extract and purify copper from copper sulfide ores, in four basic steps: 1) froth flotation, 2) thickening, 3) smelting, and 4) electrolysis. Following mining, transporting, and crushing to a consistent gravel or golf ball-size, the crushed ore is further processed at a mill ...

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Selective Flotation - an overview | ScienceDirect Topics

Selective Flotation. In selective flotation of kaolin for removal of anatase impurity, one process includes dosing with sodium hexametaphosphate and sodium silicate to disperse the pulp and addition of high molecular weight (>106) PAM polymer to flocculate the anatase, which separates out in a thickener (Miller et al., 2002).

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Flotation separation of enargite from complex copper

flotation of enargite from the complex copper concentrates. 2. Materials and methods 2.1. Materials The complex copper concentrate samples used in this study were obtained from a copper flotation plant in China. The copper ores were comminuted by coarse crushing, SAG milling and ball milling and transferred to the flotation stage.

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硫氨酯捕收剂的制备及浮选性能

2022year4month30day · [1] Bu Y J, Hu Y H, Sun W, et al. Fundamental flotation behaviors of chalcopyrite and galena using O-isopropyl-N-ethyl thionocarbamate as a collector. Minerals, 2018, 8(3): 115 doi: 10.3390/min8030115 [2] Fischback B C, Harris G H. Process for the Manufacture of Dialkyl Thionocarbamates: US Patent, 2691635. 1954-10-12

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The Complete Collection of Copper Beneficiation Reagents

2023year2month15day · The copper extraction and back-extraction can be completed in the ammonia solution. N902 It has the advantages of high extraction saturation capacity, good phase separation effect and high acid resistance. In the flotation process of copper ore, the beneficiation reagent is an important factor that determines the flotation effect.

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Mineral Processing Abstracts - COPPER 2022

2022year4month13day · 2 Practical Metal Accounting To Determine Metallurgical Imbalance Degree – A Case Study Marco Vera, Universidad Técnica Federico Santa María, Chile Diego Arteaga, Independent Consultant, Chile

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US Patent for Process for selective flotation of copper-lead

In a process for a selective flotation of a copper-lead-zinc sulfide ore the raw ore is ground and slurried with water and the resulting suspension is aerated with air to adjust a certain oxidation-reduction potential and is subsequently successively conditioned with SO.sub.2, Ca(OH).sub.2, and collecting and frothing agents, whereafter a flotation of Cu is effected.

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Selective Flotation of Copper Oxide Minerals with A Novel

2019year3month20day · Selective Flotation of Copper Oxide Minerals with A Novel Amino-Triazole-Thione Surfactant: A Comparison to Hydroxamic Acid Collector ... (TMATT), was designed to separate and recover copper oxide minerals, and its flotation response to malachite, calcite, and quartz was compared with that of the traditional collector n-octyl hydroxamic

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A Comprehensive Recovery Process for Selective

2022year3month19day · A comprehensive recovery process for the selective separation and enrichment of copper, zinc and iron minerals from a polymetallic ore was developed, which consisted of copper flotation, zinc

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Investigation of Copper Recovery from a New Copper

2019year7month29day · The metallurgical performance of a flotation process can be altered due to mineralogy, texture changes, and degree of liberation of the minerals in the ore. ... Thus, from the Hallimond flotation studies, the pure mineral flotation results also indicate that selective flotation of copper sulfides could be efficiently performed between pH 7 and ...

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Estimated Water Requirements for the Conventional

2012year5month3day · The tailings produced from the flotation process are most often transported by pipeline to the TSF as slurry that contains roughly 40 to 60 percent solids (see fig. 4). The higher solids content is ... the amount of water required to process copper sulfide ore through a conventional crush-grind-flotation-

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Process mineralogy as a key factor affecting the flotation

2019year4month12day · The aim of this study is to apply process mineralogy as a practical tool for further understanding and predicting the flotation kinetics of the copper sulfide minerals. The minerals’ composition and association, grain distribution, and liberation within the ore samples were analyzed in the feed, concentrate, and the tailings of the flotation

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SELECTIVE COBALT DEPOSITION ON COPPER SURFACES

2020year8month25day · A method for capping a copper surface on a substrate. In embodiments, the methods include exposing a substrate including a copper surface and a dielectric surface to a cobalt precursor gas and a process gas including a reducing agent to selectively form a first cobalt capping layer over the copper surface while leaving exposed the dielectric

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CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

2015year10month19day · Flotation of Chalcocite (Cu 2 S) Chalcocite (Cu 2 S) and chalcopyrite (CuFeS 2) are the two most commonly floated copper sulphide minerals. Bornite (Cu 5 FeS 4) and covellite (CuS) and energite (Cu 3 AsS 4) are normally present in lesser quantities. The complete flotation of chalcocite is achieved between ph = 1 to ph = 10 with ethyl

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CANATUAN CU/ZN FLOTATION METALLURGY

2015year11month12day · Commercial copper production was declared on March 1, 2009, when copper concentrate inventory levels surpassed the 5,000 tonne shipping threshold. Increased zinc levels in the ore body, as it was continuously being mined, prompted the construction of a Cu/Zn separation circuit as extension of the previous flotation circuit.

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Flotation separation of enargite from complex copper

flotation of enargite from the complex copper concentrates. 2. Materials and methods 2.1. Materials The complex copper concentrate samples used in this study were obtained from a copper flotation plant in China. The copper ores were comminuted by coarse crushing, SAG milling and ball milling and transferred to the flotation stage.

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