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Meeting Extraction 2018
Symposium Part C-2: Gordon Ritcey Symposium: Advances in Hydrometallurgical Solution Purification Separations
Presentation Title Electrolytic Salt Splitting for Sulfuric Acid and Caustic Recovery: Can it be Cost-effective?
Author(s) Alexander Burns, Clive Brereton
On-Site Speaker (Planned) Alexander Burns
Abstract Scope Electrolytic salt splitting is a technology where acid and/or base is regenerated from a neutral salt using membrane electrolysis. The mining industry has been slow to adopt this technology due to challenges associated with impurities, as well as economic factors such as the relatively low cost of disposal and reagent repurchase. However, recent advances in brine treatment, membranes, and cell design have made electrolytic salt splitting feasible for a wider range of feeds, while stricter environmental regulations have made the bulk disposal of salt solutions more difficult. In this paper, a typical salt splitting flow sheet is presented, based on recent NORAM projects. The flow sheet is compared to other technologies, taking into account factors such as electricity cost, reagent cost, maintenance, and scalability. The results can be used to help evaluate the feasibility of electrolytic salt splitting under local economic conditions at a proposed installation site.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Review on Application of Crown Ethers in Separation of Rare Earths and Precious Metals
Advances in the Development of Electrostatic Solvent Extraction for Process Metallurgy
Antimony and Bismuth Control in Copper Electrolyte by Ion Exchange
Application of Donnan Dialysis to the Separation and Recovery of Cations During Hydrometallurgical Recycling of Lithium Ion Batteries
Breakthrough in Uranium Recovery from Saline Liquors by Ion Exchange
Cadmium and Nickel Adsorption Study using Biosorbent
Clean TeQ Sunrise Project – A Novel Hydrometallurgical Flowsheet to Produce Battery-Grade Cobalt and Nickel Sulphates
Crowding Effect on Dysprosium Extraction and Separation from Post-consumer Waste of Permanents Magnets
Development and Screening for Resins to Recover REE and Scandium from Different Sources
Electrolytic Salt Splitting for Sulfuric Acid and Caustic Recovery: Can it be Cost-effective?
Equilibrium Modeling of Solvent Extraction and Stripping of Copper(II), Nickel(II), and Ammonia for Ammoniacal Process Using LIX 84-I
Experimental Study and CFD Simulation of a Pulsed Solvent Extraction Column with Novel Ceramic Internals
Extraction of Clean Water from Contaminated Effluents by Forward Osmosis
Green Chemistry Principles Applied to the Selective Separation and Purification of Specialty Metals Using Molecular Recognition Technology
Imprinted Resin - The 21st Century Adsorbent
Ion Exchange Removal of Copper Impurity from Silver Nitrate Electrolyte
Ion Exchange Resin - Pilot and Resin Testing
Ion Exchange Technology in Hydro-Metallurgy’s Future
Keeping Mine-Water Membranes Clean
Liquid-liquid Extraction of Cobalt(II), Nickel(II) and Manganese(II) from Acidic Chloride Media
Lithium Solvent Extraction with a Beta-diketone Reagent
Membrane Technologies for Improving Mining and Refining Processes
Modelling Solvent Extraction as a Chemical Equilibrium
New Highly Selective Ligands for the Purification of the Lanthanides, Actinides, and Medical Isotopes
New Technological Advances, Challenges and Opportunities in Solvent Extraction from Energy Storage
Nickel Recovery from Hyperaccumulator Plants Using a Chelating Resin
Outotec’s VSF®X Implementation to Provide Modular Solvent Extraction Technology
Preliminary High Rate Compressible Media Filtration Provide Promising Benefits For Leach Liquor Clarification
Recovery of Copper Nanoparticles from AMD by Cementation with Iron and SDS
Recovery of Palladium from Spent Catalysts – A Critical State-of-the-Art
Selective Separation of Iron from Simulated Nickel Leach Solutions Using Ion Exchange Technology
Separation and Purification of Value Metals from Aqueous Chloride Solutions by Solvent Extraction
Separation of Cobalt and Metals in Acidic Chloride Solutions Using Diffusion Dialysis
Separation of Lead from Chalcopyrite Using Resin-in-Pulp
Separation of Uranium and Molybdenum from Alkali Leaching Solution of U-Mo Ore
Settling Behavior and CFD Simulation of a Gravity Separator
Simultaneously Sulfur Removal and Extraction of Valuable Metals from Iron Ore and Tailings Using Hydrometallurgical Process under Atmospheric Conditions
The Feasibility of Separation of Rare Earth Elements by Use of Electrodialysis
The Impurity Balance and Recovery of Copper Electrolytic System
The Industrial Application of Ulltrafiltation and Reverse Osmosis for the Recovery of Copper, Silver and Cyanide from Gold Leach Liquors
The Use of Ion Exchange to Improve Revenue via the Removal of Impurities
Unique Hydrometallurgical Process for Copper-Anode Slime Treatment at Saganoseki Smelter and Refinery
Utilization of CYANEX® 936 Reagent for Lithium Extraction in LiSX™ Process

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