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Meeting Extraction 2018
Symposium Part C-2: Gordon Ritcey Symposium: Advances in Hydrometallurgical Solution Purification Separations, sponsored by Purolite
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


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
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Cadmium and Nickel Adsorption Study using Biosorbent
Clean TeQ Sunrise Project – A Novel Hydrometallurgical Flowsheet to Produce Battery-Grade Cobalt and Nickel Sulphates
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
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The Feasibility of Separation of Rare Earth Elements by Use of Electrodialysis
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
W-19: Crowding Effect on Dysprosium Extraction and Separation from Post-consumer Waste of Permanent Magnets

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