202511· The chemistry of flotation water and reagent doses are controlled to optimize flotation performance. However, the flotation process is a complex multi-variable system. Many physicochemical interactions influence the effective separation …
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Minerals, 2019 A new method, staged flotation for effectively increasing the recovery of ultra-fine copper oxide ore with a new type of collector (ZH-1, C3-5 carbon chain xanthate) is proposed for the first time. The flotation process and mechanism were examined by flotation tests, entrainment rate analysis, laser particle size experiments and microscopic imagery as well as economic
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The invention relates to a beneficiation method of low-grade copper, cobalt and nickel sulphide ore. The technical scheme is adopted as follows: according to the property and characteristics of ore, a selective flocculation desliming-flotation technology is adopted, and technological advantages of differential flotation and bulk flotation are absorbed. The method is good in …
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The process developed in USSR for the treatment of copper-nickel matte involves selective flotation of Cu2S and subjecting the flotation middling to a two-stage
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919· Nickel smelting slag contains valuable metals including nickel and copper. Failure to recycle these metals wastes resources, and disposal of nickel slag in stockpiles results in environmental pollution. Nickel slag recycling is important, and metals can be recovered from slag by flotation. However, considering the complex forms in which valuable metals occur in …
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2025321· 1. Core Methods to Separate Nickel from Copper Effective nickel-copper separation relies on four primary technologies, each suited to specific ore types or material forms: 1.1 Flotation Widely used in sulfide ore processing, …
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713· The main aim of flotation procedure is separating nickel and copper, flotation procedure is a physicochemical reaction procedure, under the action of reagent, copper particles are enriched on the flotation bulbs and the nickel particles are enriched on the underflow. Through five flotation columns, the nickel grade has been enhanced from about 15% to 70%, the …
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15· Abstract This paper proposes a method for quickly estimating the average flotation capacity of minerals according to the kinetic experiment without finding the flotation spectrum at which the first moments of distribution are calculated by the coefficients of the polynomial approximation of the logarithmic form of the kinetics. Using the example of copper …
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A flotation process for separating copper- and nickel-containing sulfide minerals from one another involves preparing the pulp of the sulfide mixture in an aqueous lime-saturated solution, …
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DSP 012 The weakest and most selective dithiophosphate. It is good for copper, zinc, silver and nickel flotation, especially where activated minerals are present and selectivity is an issue.
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1123· This left a nickel fraction comprising 20 pct of the original matte weight, with a nickel- to-copper ratio of from 1 to 1.3. These nickel fractions …
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Installation and commissioning of 100m3 Outokumpu flotation tank cell in 1996 resulting in nickel recovery improvement of 0.20 %, Replacement of rougher and scavenger flotation banks in 1999 by adding 12 % additional flotation capacity, Millstar and Floatstar for process control of the grinding and flotation circuits in 2001/2002.
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726· A nickel-copper sulfide system usually coexists with serpentine in deposits. Low nickel-copper recovery and high content of serpentine in concentration adversely affects subsequent metallurgical processes. In this study, test data showed different rheological results at various densities. When the solid ratio of sulfide to serpentine was 1:1, lower pulp density (20 …
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1123· This left a nickel fraction comprising 20 pct of the original matte weight, with a nickel- to-copper ratio of from 1 to 1.3. These nickel fractions …
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215· Generally, copper-nickel sulfide ore usually adopts flotation process. Due to the difference in ore type, mineral content and associated …
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Collectors are a critical component for zinc, nickel and copper sulfides flotation. Selectivity, collecting power and pH compatibility all impact your outcome. You …
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201211· A series of flotation tests were carried out on samples of old bricks from Sudbury area to examine upgrading behaviour for recycling purposes. Depending on the grind size used nickel recoveries varied from 60 to 90.6% with corresponding grades of 20% and 14.7%Ni. There is a trade-off between nickel and copper.
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516· The extraction of nickel (Ni) from sulfide resources commences with flotation to produce a concentrate which is then smelted to produce a …
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2025222· This paper briefly introduces the research status of mineral processing and mineral processing agents and summarizes the mineral …
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201311· Download Citation | Nickel and Cobalt Ores: Flotation | The nickel extraction process is dictated by the mineralogical assemblage of the sulphide and oxide nickel ores from which it occurs. The
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20051215· In this research, the factors limiting performance have been identified and a new process has been devised that raises recovery significantly. The process exploits the particle size dependence of nickel sulphide flotation and the different ways that pH change and pulp density influence the response of coarse and fine particles.
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2016226· The article describes flotation technology for copper-nickel material-original ore and processing waste (metallurgical slags). With a view to improve processing performance, …
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In this paper, the flotation behaviour of nickel-copper ores processed in the Sudbury area is discusse~ with emphasis on the effect of oxidation on individual minerals, pnmarily pyrrhOlite. In general, moderate oxidation of a freshly ground ore promotes the flotability of all principal sulphides in the ore leading to a bulk flotation concentrate.
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726· A nickel-copper sulfide system usually coexists with serpentine in deposits. Low nickel-copper recovery and high content of serpentine in …
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The process developed in USSR for the treatment of copper-nickel matte involves selective flotation of Cu2S and subjecting the flotation middling to a two-stage
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ABSTRACT OF THE DISCLOSURE: A flotation process for separating copper- and nickel-containing sulfide minerals from one another involves preparing the pulp of the sulfide mixture in an aqueous lime-saturated solution, conditioning the pulp at 35-55°C and carrying out the flotation in the presence of a cyanide salt and a collector for copper
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1210· A mixed flotation-smelting-high nickel matte separation process can be selected for the refractory copper-nickel sulfide ore with fine …
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