Abstract

According to the present invention there is provided processes for the recovery of lithium from end-of-life lithium-ion batteries and battery matter. A representative process resides in a process for separating lithium from lithium ion batteries before undertaking hydrometallurgical or pyrometallurgical processing, the process comprising: providing a black mass (BM) or shredded battery material (SBM) that includes cation and anion components; commixing the BM or SBM with an admixture that includes water and supercritical carbon dioxide; and separating an aqueous leachate and a lithium-leached BM or SBM, where the aqueous leachate includes a lithium carbonate and/or bicarbonate.

IPC Classes  ?

• C01D 15/08 - CarbonatesBicarbonates
• B09B 3/35 - Shredding, crushing or cutting
• B09B 3/80 - Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
• B09B 101/16 - Batteries
• C22B 1/248 - BindingBriquetting of metal scrap or alloys
• C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes
• C22B 7/00 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof
• C22B 26/12 - Obtaining lithium
• H01M 10/54 - Reclaiming serviceable parts of waste accumulators

Abstract

Admixtures and processes for extracting lithium from lithium-bearing silicates are disclosed In one example, the process includes reacting a lithium-bearing silicate with a sodium carbonate in a protic high-boiling (PHB) solvent thereby producing a mixture containing solid lithium carbonate and a sodium aluminosilicate. (Figure 1)

IPC Classes  ?

• C01D 15/08 - CarbonatesBicarbonates
• C01B 33/26 - Aluminium-containing silicates
• C22B 3/06 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions

Abstract

Compositions, processes, and systems for the conversion of lithium bearing solids to lithium carbonate are disclosed. Preferred embodiments utilise sodium salts as reactive melts to produce product slurries from which lithium products, e.g., lithium carbonate, are isolated.

IPC Classes  ?

• C01D 15/08 - CarbonatesBicarbonates
• B01J 8/00 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes
• C22B 3/06 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions
• C22B 3/20 - Treatment or purification of solutions, e.g. obtained by leaching
• C22B 26/12 - Obtaining lithium

Abstract

Compositions and processes for the conversion of lithium bearing solids to lithium carbonate are disclosed. Preferred embodiments utilize sodium salts with organic solvents to produce product slurries from which lithium products, e.g., lithium carbonate, are isolated.

IPC Classes  ?

• C01D 15/08 - CarbonatesBicarbonates
• C22B 3/06 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions

Abstract

According to the invention there is provided a process comprising admixing lithium iron phosphate (LFP), an oxidizing agent, carbon dioxide, and water; separating an aqueous solution that includes lithium carbonate and/or lithium bicarbonate from the admixture.

IPC Classes  ?

• C01D 15/08 - CarbonatesBicarbonates
• B09B 3/80 - Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
• B09B 101/16 - Batteries
• C22B 7/00 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof
• C22B 26/12 - Obtaining lithium
• H01M 10/54 - Reclaiming serviceable parts of waste accumulators

Abstract

According to the present invention there is provided a composite particulate comprising a discontinuous phase and a binder; the discontinuous phase comprising a lithium aluminosilicate having a mean particle size in a range of about 2 to about 50 mm and having a lithium concentration of about 0.05 to about 5 wt.%; the binder comprising a sodium salt and/or a solid acid; a discontinuous phase to binder mass ratio of about 10:1 to about 1:1; and a particle size of about 25 to about 2000 mm.

IPC Classes  ?

• B05D 1/02 - Processes for applying liquids or other fluent materials performed by spraying
• C01B 33/26 - Aluminium-containing silicates

Abstract

According to the present invention there is provided a composite particulate comprising a discontinuous phase and a binder; the discontinuous phase comprising a lithium aluminosilicate having a mean particle size in a range of about 2 to about 50 mm and having a lithium concentration of about 0.05 to about 5 wt.%; the binder comprising a sodium salt and/or a solid acid; a discontinuous phase to binder mass ratio of about 10:1 to about 1:1; and a particle size of about 25 to about 2000 mm.

IPC Classes  ?

• C01B 33/26 - Aluminium-containing silicates
• B05D 1/02 - Processes for applying liquids or other fluent materials performed by spraying

Abstract

According to the present invention there is provided processes for the recovery of lithium from end-of-life lithium-ion batteries and battery matter. A representative process resides in a process for separating lithium from lithium ion batteries before undertaking hydrometallurgical or pyrometallurgical processing, the process comprising: providing a black mass (BM) or shredded battery material (SBM) that includes cation and anion components; commixing the BM or SBM with an admixture that includes water and supercritical carbon dioxide; and separating an aqueous leachate and a lithium-leached BM or SBM, where the aqueous leachate includes a lithium carbonate and/or bicarbonate.

IPC Classes  ?

• C22B 26/12 - Obtaining lithium
• B01D 11/00 - Solvent extraction
• C01D 15/08 - CarbonatesBicarbonates
• C22B 7/00 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof

Abstract

According to the present invention there is provided an apparatus for the extraction of lithium from one or more lithium-containing ores, said apparatus comprising: a reactor for housing the one or more lithium-containing ores prior to and during the extraction, the one or more lithium-containing ores having been milled to a predetermined average particle size to provide a milled crude ore; a source of water to provide for a predetermined solids concentration of the milled crude ore within an aqueous medium; a source of carbon dioxide fluidly connected to the reactor, thereby to provide an acidic extraction medium for the milled crude ore defined by a predetermined partial pressure of carbon dioxide; heating means communicable with the acidic extraction medium, thereby to provide for a predetermined extraction temperature over a predetermined time, thereby to provide for an extract comprising technical grade lithium carbonate and/or lithium bicarbonate in solution; an exit port through which the extract is ported, and optionally cooled by a stream of cooling fluid, to a recovery means for precipitating and subsequently recovering the technical grade lithium carbonate and/or lithium bicarbonate.

IPC Classes  ?

• C22B 3/06 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions
• C22B 1/24 - BindingBriquetting
• C22B 26/12 - Obtaining lithium

Goods & Services

Chemical extraction services; chemical treatment services; chemical production services; electrochemical treatment services; material treatment services; processing and refining of chemicals; processing and refining of materials; processing and treatment of industrial chemicals; processing and treatment of materials; provision of information, including online, regarding the treatment of materials and chemicals; treatment and processing services utilising carbon sequestration; all the aforementioned for the extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds. Advisory and consultancy services in relation to chemical and industrial engineering; analysis of chemicals and materials; chemical engineering consultancy; chemical engineering services; design and development of chemical and industrial processes; engineering research services; industrial analysis and testing services; industrial engineering consultancy; industrial research and development services; research, engineering and technical consultancy for industry; technical engineering; technological engineering analysis; technological consultancy; all the aforementioned for the extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds.

Goods & Services

Chemical extraction services by means of chemical leaching, roasting, distillation and purification; chemical treatment services, namely, chemical treatment of lithium, lithium chemicals and lithium compounds; chemical production services, namely, custom manufacture of lithium chemicals for others; electrochemical treatment services, namely, electrochemical treatment of lithium chemicals and lithium compounds; material treatment services, namely, treatment of materials in the nature of lithium, lithium chemicals and lithium compounds; processing and refining of chemicals, namely, processing and refining of lithium chemicals; processing and refining of materials, namely, processing and refining of lithium chemicals and lithium compounds; processing and treatment of industrial chemicals, namely, processing and treatment of industrial lithium chemicals; processing and treatment of materials, namely, processing and treatment of lithium chemicals and lithium compounds; provision of information, including online, relating to the treatment of materials and chemicals; treatment and processing services utilising carbon sequestration, namely, carbon capture for others; all the aforementioned services relating to the extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds Advisory and consultancy services in relation to chemical and industrial engineering; scientific analysis of chemicals and materials; chemical engineering consultancy; chemical engineering services; design and development of chemical and industrial processes; engineering research services; industrial analysis and testing services in the field of lithium, lithium chemicals and lithium compounds; industrial engineering consultancy; industrial research and development services in the field of lithium, lithium chemicals and lithium compounds; research, engineering and technical consultancy for industry, namely, scientific research services, engineering services, and technical consultancy for industry in the field of chemical engineering; technical engineering; technological engineering analysis; technological consultancy in the field of chemical engineering technology; all the aforementioned services relating to the extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds

Goods & Services

(1) Chemical extraction services, namely obtaining of lithium containing mineral ores and brines by way of extractive metallurgical and hydrometallurgical processing; chemical treatment of lithium, lithium chemicals and lithium compounds; chemical production services of lithium, lithium chemicals and lithium compounds for batteries; electrochemical treatment of lithium, lithium chemicals and lithium compounds; material treatment of lithium, lithium chemicals and lithium compounds; processing and refining of lithium, lithium chemicals and lithium compounds for batteries; processing and treatment of lithium, lithium chemicals and lithium compounds; providing material treatment information, regarding the treatment of lithium for the manufacture of batteries, via an online website; treatment and processing services utilising carbon sequestration of lithium, lithium chemicals and lithium compounds. (2) Advisory and consultancy services in relation to chemical and industrial engineering in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; chemical analysis in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; chemical engineering consultancy in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; chemical engineering services in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; design and development of chemical and industrial processes in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; engineering research services in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; industrial analysis and testing services in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; industrial engineering consultancy in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; industrial research and development services in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; research, engineering and technical consultancy for industry in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; technical engineering in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; technological engineering in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds; technological consultancy in the field of extraction, production, treatment, refinement and optimisation of lithium, lithium chemicals and lithium compounds.

Abstract

2, a predetermined extraction temperature, over a predetermined time; and obtaining technical grade lithium carbonate/lithium bicarbonate therefrom. Optional concentration and/or precipitation/purification steps may follow.

IPC Classes  ?

• C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes
• C22B 3/06 - Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions
• C22B 1/24 - BindingBriquetting
• C22B 26/12 - Obtaining lithium

Abstract

According to the present invention there is provided a method for the extraction of lithium from one or more lithium-containing ores such as spodumene, the inventive method comprising the steps of: milling said ore/s to a predetermined average particle size; optionally calcining the milled ore; further optionally performing a secondary milling step; providing an aqueous suspension of the one or more lithium-containing ores at a predetermined solids concentration; subjecting the one or more lithium-containing ores to an aqueous extraction medium defined by a predetermined partial pressure of CO2, a predetermined extraction temperature, over a predetermined time; and obtaining technical grade lithium carbonate/lithium bicarbonate therefrom. Optional concentration and/or precipitation/purification steps may follow.

IPC Classes  ?

• C01D 15/08 - CarbonatesBicarbonates
• C22B 1/00 - Preliminary treatment of ores or scrap
• C22B 3/00 - Extraction of metal compounds from ores or concentrates by wet processes
• C22B 26/12 - Obtaining lithium