Intelligent prediction model of matte grade in copper flash smelting …
The copper flash smelting process is a typical multi-phase and multi-component reaction process in the hermetically sealed container. According to the multi-phase and multi-component mathematic model of the copper flash smelting established by the balance constant method, the amount of fine concentrate, slag fine concentrate, …
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Copper Flash Smelting Process Balance Modeling
Process control in flash smelting is based on mass and energy balance from which the operational parameters (oxygen coefficient, oxygen enrichment, and flux demand) are obtained to achieve matte ...
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Improving copper matte grade control in a concentrate flash …
The Outokumpu flash smelting process consists of a flash furnace, waste-heat boiler and electrostatic precipitator. A flash smelter usually includes the following auxiliary units: feed mixture preparation and drying, converters, slag treatment system, SO2 fixation system, anode furnace and anode casting. 14 IFAC MMM 2012 September 10 …
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Modelling copper smelting – the flash smelting plant, …
This paper commemorates the 70th anniversary of Flash Smelting in April 2019 and gives credit to the inventors and users of the technology. Special thanks are …
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INCO flash smelting technology: A general analysis
The INCO flash smelting process is a copper smelting technology that was developed by the International Nickel Company (INCO) in the 1960s. This process was designed to efficiently extract copper ...
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Intelligent prediction model of matte grade in copper flash smelting
Due to the importance of detecting the matte grade in the copper flash smelting process, the mechanism model was established according to the multi-phase and multi-component mathematic model. Meanwhile this procedure was a complicated production process with characteristics of large time delay, nonlinearity and so on.
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Optimal control strategy of working condition transition for copper
Copper flash smelting process. The copper flash furnace is the main pyrometallurgical equipment for smelting copper sulphide concentrates. Fig. 1 shows a scale structure of flash furnace composed of reaction shaft, sedimentation tank and gas offtake (Chen et al., 2004).
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Flash Smelting Process
The hydrogen flash smelting method is a process for reducing the iron concentrate powder to a higher metallisation rate by using thermal reduction gas in a …
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Metamodelling and optimization of copper flash smelting process
The aim of the paper is metamodelling of copper flash smelting process and an attempt of its optimization. The aim of the paper is metamodelling of copper flash smelting process and an attempt of its optimization. Flash smelting process is an important step in the metallurgical process of production of copper blister (pure copper). Three different …
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The Copper Flash CC Smelting Process
Chemically, concentrates smelted in flash furnaces contain 20-30 mass % Cu, 25-35% Fe and 25-35% S. The process takes place in a flash smelting furnace, which …
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Modelling and analysis on the segregation of copper …
As a representative pyro-metallurgical technology, the flash smelting process effectively utilizes the large surface of concentrate particles to strengthen the smelting intensity. This process, characterized by a high operational rate and automated equipment, ensures over 50% production of the world's primary copper [1, 2].
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Outokumpu flash smelting process
The Outokumpu flash smelting process for lead is an extension of the successful flash smelting technology developed by Outokumpn for copper and nickel and applied to lead concentrates. It was developed and piloted at a 5 t/h treatment rate in the late 1980s bnt has not been commercially applied.
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Smelting furnaces | PPT
There are two main types of smelting: reduction smelting uses carbon to reduce the ore, while matte smelting does not use a reducing agent. Blast furnaces and reverberatory furnaces are commonly used smelting devices. Flash smelting is a high-temperature process that uses the energy in sulfur and iron to melt copper ore without …
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Mathematical modeling of sulfide flash smelting process: …
The mathematical model described in Part I[14] was extended to include the minor element behavior inside a flash-furnace shaft during flash smelting of copper concentrate. The volatilization of As, Sb, Bi, and Pb was computed, and experiments were carried out for Sb and Pb in a laboratory flash furnace. Satisfactory agreement between …
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Flash Smelting : Analysis, Control and Optimization
Flash Smelting: Analysis, Control and Optimization deals with the analysis, control, and optimization of flash smelting. This book explores flash smelting in general and Outokumpu and Inco flash smelting in particular, and also presents a mathematical description for the flash smelting process. A set of mass and heat balance equations …
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File : Copper Flash Smelting Process (EN).svg
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or …
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Simulation of flows of hazardous elements in copper smelting process …
Future research can focus on flash smelting process, and compare it with bath smelting process. 2.3.2. Data resource. This study focuses on five main units of smelting, blowing, refining, electrolysis, and slag selection. The data of the distribution of hazardous elements in these units under different charge grades and operating …
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Nickel Flash Smelting
In the flash smelting process, a sulfidic feed mixture is distributed through the top of the reaction shaft by a concentrate burner, where the correct design is vital to furnace operation. The concentrate burner consists of several concentric ducts through which the process gas and the concentrate are blown and mixed in the furnace. The main ...
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Mathematical modeling of sulfide flash smelting process
A mathematical model has been developed to describe the various processes occurring in a flash furnace shaft. The model incorporates turbulent fluid dynamics, chemical reaction kinetics, and heat and mass transfer. The key features include the use of thek-ε turbulence model, incorporating the effect of particles on the turbulence, and the four-flux model for …
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CFD–DEM modeling of particle segregation behavior in a simulated flash
The flash smelting process was initially developed for copper concentrates but has been extended to more metallurgical processes [6, 50]. The furnace structures remain consistent across different industrial processes, where the mass–flow rate and particle size distribution (PSD) significantly influence the gas–particle flow behavior. ...
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Mathematical modelling and numerical optimization of particle heating
The flash smelting process involves complex interactions of the gaseous phase and the particles. The transfer processes of the gaseous phase are described and solved based on the Eulerian method, and those of the particle phase are based on the Lagrangian method. The governing equations to describe the transfer processes …
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Efficient and safe disposition of arsenic by incorporation in smelting …
During the smelting process, the speciation of arsenic is very complicated. Due to the micro "smelting pool" mechanism of flash smelting, the gas-solid-liquid phases are sufficiently interacted in the smelting shaft. This is also the reason for the high contents of copper and arsenic in flash smelting slag.
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A novel direct reduction-flash smelting separation process …
A new process (direct reduction and flash smelting separation (FSS)) of treating high phosphorus iron ore (HPIO) is introduced in this paper. By limiting the smelting separation between slag and iron to the level of about 1 s, the reduction and migration process of P element was restrained, and the content of P element in the …
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Flash Smelting-Flash Converting Process Flow …
Download scientific diagram | Flash Smelting-Flash Converting Process Flow Sheet. from publication: Flash converting - Sustainable technology now and in the future | The recent trends of ...
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US4615729A
A copper flash smelting process in which part of a sulfidic copper feed is roasted in the presence of a calcareous SO2 scavenger to produce a calcine containing calcium sulfate and an oxidic copper product, the calcine is mixed with additional feed and the mixture is flash smelted to provide a metallic product and a calcareous slag.
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Data Analysis and Prediction Model for Copper Matte Smelting Process
During copper matte smelting, a lag exists in the analysis of the smelting results, leading to the production parameters not being effectively adjusted in time. As the first smelting process in copper pyrometallurgy, the optimization of the amount of raw material, as well as the prediction and adjustment of slag and matte phases, has …
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(PDF) Modelling copper smelting – the flash smelting plant, process …
In the 70 year history of the Flash Smelting process for sulphide concentrates [2], significant equipment development was needed in the completely new smelting concept, and specifically the novel smelting furnace (FSF) and its key equipment. Already from beginning, the very low use of external fuel and a superb sulphur fixation were evident.
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[PDF] Modelling copper smelting – the flash smelting plant, process …
The effectivity of present copper smelting technologies have their roots in industrial and laboratory-scale experience accumulated over the past decades. Since early '60s, the tools for improving the processing conditions and smelting vessel design included scale modelling and manual computing of homogeneous multicomponent equilibria. The …
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Flash Smelting
Dynamic modeling of copper flash smelting process at a smelter in China. Appl. Math. Modell., 38 (7–8) (2014), pp. 2206-2213. View PDF View article View in Scopus Google Scholar [84] D. Shishin, P. Hayes, E. Jak. Development and applications of thermodynamic database in copper smelting.
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Flash Smelting
Since then, flash smelting has been used in many large copper smelters in Canada, the USA, Japan, China, and other countries. This process produces about one …
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COPPER PRODUCTION WITH OUTOKUMPU FLASH SMELTING…
During the industrial flash smelting process, the slag and flue gas carry 16% and 29% of the heat from the reactions in the furnace, respectively (Kojo and Storch, 2006). If the slag output ...
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Flash Smelting of Copper
For the corresponding bath smelting, the physicochemical changes of the smelting process mainly occur in the bath with the melt as the continuous medium. …
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Flash smelting process
A copper flash smelting process in which part of a sulfidic copper feed is roasted in the presence of a calcareous SO.sub.2 scavenger to produce a calcine containing calcium sulfate and an oxidic copper product, the calcine is mixed with additional feed and the mixture is flash smelted to provide a metallic product and a calcareous slag.
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Improvements in Flash Smelting Furnace Concentrate …
The Kennecott Utah Copper Smelter utilizes Outotec flash smelting furnace (FSF) and flash converting furnace to process over 1 million tons of copper concentrate per year. The smelter commenced commercial operation in 1995. The copper concentrate feed comes from Kennecott Bingham Canyon Mine located 40 km from the Kennecott …
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Copper Flash Smelting Process Balance Modeling
Process control in flash smelting is based on mass and energy balance from which the operational parameters (oxygen coefficient, oxygen enrichment, and flux demand) are obtained to achieve matte …
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Modelling copper smelting – the flash smelting …
Hahn Y, Sohn H. 1990. Mathematical modeling of sulfide flash smelting process: Part I. model development and verification with laboratory and pilot plant measurements for chalcopyrite concentrate …
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Copper Smelting and Refining Process | Pan Pacific Copper
The copper concentrates are fed through the flash smelting furnace with oxygen-enriched air. In the furnace, the concentrates are instantly oxidized, after which they melt and separate by their own reaction heat into copper matte with a grade of 65% and slag consisting of iron oxide, silica, and other compounds. Reaction in the flash smelting ...
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Flash Smelting Process
The Flash Smelting Process is the cleanest smelting method available.
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Smelting: Types, Process, Uses, Challenge, Effect
Flash Smelting The flash smelting process combines the flash roasting and smelting operations into one. At high temperatures, the sulfide concentrate particles react with oxygen. ... Environmental Impact of a smelting process. The smelting business has a negative impact on the environment because it generates a lot of slag and …
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INCO flash smelting technology: A general …
The INCO flash smelting process is a copper smelting technology that was developed by the International Nickel Company (INCO) in the 1960s. This process was designed to efficiently extract copper ...
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