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A System, Apparatus, And Process For Leaching Metal And Storing Thermal Energy During Metal Extraction
Researchers at the University of Arizona have developed a new single vessel or “one pot” copper electrorefinery process that utilizes a molten chloride salt (NaCl – KCl – ZnCl2) as both the extracting fluid and electrolyte. Background: Several European and South American cities have regulated or banned traditional precious...
Published: 6/24/2022   |   Inventor(s): Dominic Gervasio, Hassan Elsentriecy, Abraham Jalbout, Andres Godinez-Garcia
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Category(s): Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing > Mining, Technology Classifications > Materials > Metals, Technology Classifications > Energy, Cleantech & Environmental > Manufacturing
Optimized Ore Processing using Molten Salts for Leaching and Thermal Energy Storage
University of Arizona researchers have developed and optimized an electrochemical metal extraction process utilizing molten chloride salt. The salt serves as a heat transfer fluid, which can power the process itself or provide power to outside processing units or communities. The material, or slag, leftover from the process is non-toxic and may easily...
Published: 3/29/2022   |   Inventor(s): Dominic Gervasio, Hassan Elsentriecy
Keywords(s):  
Category(s): Technology Classifications > Energy, Cleantech & Environmental, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing > Mining, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Materials > Metals, Technology Classifications > Materials > Processing
High Temperature Thermal and Electrical Heating for Copper Extraction Pot
This technology uses molten salts, which are electrically conductive and can be used as an electrolyte for the electrodeposition of copper, and extracts pure copper from impure copper inputs in a single step, therefore reducing the extraction time without requiring or producing any toxic products. Background: It is expected that around 6,000 metric...
Published: 9/15/2020   |   Inventor(s): Peiwen Li, Dominic Gervasio, Abraham Jalbout
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing > Mining, Technology Classifications > Materials > Processing, Technology Classifications > Materials > Metals
A Novel Chemicals' Scheme for the Flotation of Bastnaesite Ore
This invention is a flotation method for removing heavy earth metals from Bastnaesite ore. It works by reducing the flotation temperature to a cost-efficient level and simplifying the flow sheet. Results show that 80-90% REE recovery and <20% gangue recovery are achieved at 40°C-60°C, which yield a rougher concentrate of 30%~40% REO. The...
Published: 5/1/2020   |   Inventor(s): Jinhong Zhang, Dongbo An
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Category(s): Technology Classifications > Energy, Cleantech & Environmental > Manufacturing, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Materials > Metals, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing > Mining
Producing Environmentally Benign Materials from Mine Tailings using Hydrocarbon Polymerization
This invention is a way of making mine tailings more environmentally-friendly and efficient. The method stabilizes the mine tailings by creating a solid product of easily removable heavy metals that, in the event of failure, can devastate the surrounding environment if still present. This technology can be used in the nano-composite fabrication of hydrophobic,...
Published: 5/17/2018   |   Inventor(s): Jaeheon Lee
Keywords(s):  
Category(s): Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing > Mining, Technology Classifications > Materials > Processing, Technology Classifications > Materials > Metals