Dynamic modelling of an industrial copper solvent extraction …
An improved control strategy for an industrial copper solvent extraction process S. H. Shahcheraghi S. M. Mousavi M. Dianatpour Engineering, Materials Science Separation …
Control of an industrial copper solvent extraction process
Very few papers are published on the modelling and control of industrial copper solvent extraction processes. The steady state of a copper solvent extraction process can be studied with mass balance equations and equilibrium diagrams, for example equilateral-triangular diagrams and McCabe–Thiele diagrams.
Improved dynamic modeling and simulation of an industrial copper
The mixer–settler is one of the most commonly used pieces of equipment in industrial copper solvent extraction. Copper transfer between the aqueous and organic phases takes place in the mixers, and the phases are separated in the settlers.
Recycling copper and gold from e-waste by a two-stage …
Request PDF | Recycling copper and gold from e-waste by a two-stage leaching and solvent extraction process | The recycling of metals such as gold and copper from discarded end-of-life electronic ...
Recycling copper and gold from e-waste by a two-stage …
Semantic Scholar extracted view of "Recycling copper and gold from e-waste by a two-stage leaching and solvent extraction process" by Mudila Dhanunjaya Rao et al.
Dynamic modelling of an industrial copper solvent …
Abstract The dynamic behaviour of an industrial copper solvent extraction mixer settler cascade is modelled to develop an advanced – process control system. First, the …
An approach to dynamic modeling of a mixer-settler in copper solvent …
The second aim of this thesis is to develop an advanced control system for the copper solvent extraction process, and to verify that the performance and profitability of an industrial copper ...
Control of an industrial copper solvent extraction process
Flow diagram of the copper solvent extraction process. In the extraction units, copper is extracted from the pregnant leach solution to the organic solution.
Improved dynamic modeling and simulation of an industrial …
The studied solvent extraction process consists of three unit processes, two series mixer–settler units (E1, E2) for extraction of copper from the aqueous phase …
Who are the leading innovators in solvent extraction …
Solvent extraction processes is a key innovation area in environmental sustainability. Solvent extraction is the process in which a compound transfers from one solvent to another owing to the difference in solubility or distribution coefficient between these two immiscible (or slightly soluble) solvents.
Dynamic modelling of an industrial copper solvent extraction process
The modeling and control results are very encouraging for the further testing of the control system in an industrial copper solvent extraction plant, and the lack of adequate dynamic process models for industrial applications has prevented the development of advanced process control systems.
Innovations: How Hydrometallurgy and the SX/EW Process Made
Beginning in the mid 1980s a new technology, commonly known as the leach-solvent extraction-electrowinning process or, SX/EW Process, was widely adopted. This new copper technology utilizes smelter acid to produce copper from …
An improved control strategy for an industrial copper solvent
It was successfully tested against simulated disturbances, noise and set point changes. Moreover, the proposed strategy was applied for an industrial process …
Control of an industrial copper solvent extraction process
An improved control strategy for an industrial copper solvent extraction process S. H. Shahcheraghi S. M. Mousavi M. Dianatpour Engineering, Materials Science Separation …
Copper Recovery by Solvent Extraction Techniques
Since it is common for the copper solvent extraction plant to supply feed electrolyte to an electrowinning plant, it is useful to combine the operating costs for the two plants when comparing costs of copper recovery by solvent extraction techniques with those for cementation.
Solvometallurgy: An Emerging Branch of Extractive Metallurgy
This position paper introduces the reader to the concept of solvometallurgy, the term used to describe the extraction of metals from ores, industrial process residues, production scrap, and urban waste using non-aqueous solutions. Here, non-aqueous is not used to imply anhydrous, but rather a low water content. The unit operations are as …
Control of an industrial copper solvent extraction process
The control of the copper solvent extraction and electrowinning processes relies on operators actively manipulating the setpoints for the basic level controllers. This …
The copper solvent extraction process. The output variables …
A two level control strategy that stabilizes and optimizes the production of an industrial copper solvent extraction process is presented. The stabilizing layer consists of a multi-input–multi ...
Flow diagram of the copper solvent extraction process. In the
A two level control strategy was used in industrial copper solvent extraction process. The stabilizing layer regulates the flow rates in the copper solvent extraction process [19]. The ...
Improved dynamic modeling and simulation of an industrial copper
Semantic Scholar extracted view of "Improved dynamic modeling and simulation of an industrial copper solvent extraction process" by S. H. Shahcheraghi et al.
Dynamic modelling of an industrial copper solvent …
The dynamic behaviour of an industrial copper solvent extraction mixer–settler cascade is modelled to develop an advanced process control system. First, the process is introduced and the ...
Copper Mining and Processing: Processing Copper Ores
This process uses aqueous (water-based) solutions to extract and purify copper from copper oxide ores at ordinary temperatures, usually in three steps: heap leaching, solvent extraction, and electrowinning.
A novel and complete process for iodine extraction and …
Through a combined approach that involves green oxidation, solvent extraction, and precipitation. To do so, a facile, inexpensive, and scalable extraction method of iodine from industrial wet phosphoric acid 25 wt% employing hydrogen peroxide 30 (%) as oxidant, and kerosene as extractant was reported.
Improved dynamic modeling and simulation of an industrial copper
Request PDF | Improved dynamic modeling and simulation of an industrial copper solvent extraction process | Existing dynamic models of the mixer–settler SX process assume that the mixing stage ...
Solvent Extraction of Metal Ions from Synthetic Copper …
Solvent extraction (SX) is an essential unit operation to obtain highly pure copper cathodes in the copper hydrometallurgy route. SX is a liquid/liquid process that uses an organic extractant diluted in a diluent to transfer the metals and complexes selectively from the pregnant solution into the organic phase.
Solvent Extraction
Solvent extraction is an effective method for the removal of pesticides like DDT or dicofol from wastewater (Rajan and Sreedharan, 2016). Furthermore, as one of the most promising alternatives, solvent extraction process has been widely used for separating and recovering valuable metals from wastewater (Balesini et al., 2013).
AN INDUSTRIAL COPPER SOLVENT EXTRACTION …
system for an industrial copper solvent extraction process. Since the copper solvent extraction process has similar characteristics to those processes in which model predictive control has been successfully applied, the first aim is to develop dynamical process models. A phenomenological steady state simulation model
Solvent extraction of copper from sulfate-chloride solutions …
The solvent extraction of copper from a sulfate-chloride solution containing seawater and/or sodium chloride was studied using the commercial extractants LIX 984N and Acorga M5910. The effect of chloride on the copper extraction equilibria, the copper-iron selectivity, and the extraction of chloride by the organic phases was evaluated.
Dynamic modelling of an industrial copper solvent …
The dynamic behaviour of an industrial copper solvent extraction mixer–settler cascade is modelled to develop an advanced process control system. First, the process is introduced and the dynamical models are formulated.
DYNAMIC MODELING OF AN INDUSTRIAL COPPER …
The motivation of the research is to develop a control system for an industrial copper solvent extraction process. Since the copper solvent extraction process has similar characteristics to those processes in which model predictive control has been …