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WO/2022/082258A1 |
A process for treating a material to remove sulphates or other impurities therefrom comprises a) subjecting the material to a leaching step to selectively dissolve sulphate-containing material or dissolve other impurities from the materi...
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WO/2022/085635A1 |
A method for recovering lithium from a material that contains fluorine and lithium, wherein: the material is mixed with an aqueous sulfuric acid solution or water, thereby obtaining a mixed solution in which fluorine and lithium in the m...
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WO/2022/081411A1 |
The present disclosure provides a method of recovering copper, molybdenum, and a precious metal value from a metal-bearing material, the method comprising bulk flotation of the metal-bearing material to form a flotation product, wherein ...
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WO/2022/077055A1 |
The present disclosure provides a process for extracting zirconium, in particular from a pregnant leach solution, which in preferred embodiments includes the removal of niobium from the solution to increase zirconium extraction. In parti...
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WO/2022/078667A1 |
The invention relates to a method for recovering noble metal from a heterogeneous catalytic converter comprising a solid supporting material and palladium, platinum or rhodium, present at least partially in elemental form, said method co...
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WO/2022/079133A1 |
The invention relates to a method for purifying at least one fraction or compound of interest from a starting material comprising at least two inorganic compounds or at least one inorganic compound and at least one organic compound. The ...
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WO/2022/082042A1 |
In described embodiments, a process for recovery of a metal from a grounded ore comprises leaching the grounded ore with a leaching reagent, an oxidant and an oxygen vector. In particular, a process for recovery of gold from a grounded g...
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WO/2022/079409A1 |
A method for selectively removing Li from an input material comprising Li and one or more transition metals, comprising the steps of: contacting said input material with a leaching medium comprising formic acid; and leaching Li from the ...
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WO/2022/081413A1 |
The present disclosure provides a method of recovering copper, molybdenum, and a precious metal value from a metal-bearing material, the method comprising bulk flotation of the metal-bearing material to form a flotation product, wherein ...
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WO/2022/077112A1 |
Processes are provided for treating mineralized silicates by selective leaching of Ni and Co values carried out in concert with sequestration of gaseous CO2 as mineral carbonates. These processes may be applied to extract Ni and Co value...
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WO/2022/067448A1 |
Solutions and methods for leaching coinage metals. For example, Solutions and methods for leaching copper and/or silver from a substance comprising copper and/or silver (such as a coinage metal-concentrate, or electronic waste) using a w...
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WO/2022/071274A1 |
This method for eluting a valuable metal from a glass-containing electrode containing glass and a valuable metal insoluble in a hydrofluoric acid involves: immersing an object including the glass-containing electrode in a hydrofluoric ac...
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WO/2022/071297A1 |
Provided is a method for eluting valuable metals from a glass-containing electrode that contains valuable metals and glass, wherein the method includes: a step for pulverizing an object that contains a glass-containing electrode; and a s...
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WO/2022/069692A1 |
The present invention discloses the use of a spinel-based recovered sorbent of formula Zn0.85Mn2.15O4 or Zn0.25Mn2.75O4, working at a temperature range between 300 °C and 500 °C, for the removal of sulphur in gasification processes suc...
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WO/2022/063955A1 |
The invention relates to a process of heap leaching metal from a metal bearing ore comprising the steps: a) agglomerating the ore with an agglomeration agent to form an agglomerated ore, b) forming the agglomerated ore into a heap; and c...
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WO/2022/066169A1 |
The present disclosure describes a method of recovering uranium including a continuous ion exchange (CIX) process including a single cycle or a dual cycle CIX process and at least a gradient elution or resin crowding process. The present...
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WO/2022/061476A1 |
An electronic waste (E-waste) recycling process and composite article or material using the E-waste. E-waste, for example including printed circuit boards (PCBs) and/or electronic components (ECs) such as integrated circuit chips, is siz...
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WO/2022/056622A1 |
The present disclosure relates to the use of a wetting agent such as a non-ionic wetting agent and a reagent comprising a thiocarbonyl functional group, for example, in a method/process or use for extracting a base metal such as copper f...
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WO/2022/059534A1 |
The purpose of the present invention is to provide a method which recovers from a manufacturing process a fluorine additive used in the removal of silica components when manufacturing a high TiO2 grade titanium concentrate by removing im...
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WO/2022/056621A1 |
The present disclosure relates to the use of carbonaceous matter and a reagent comprising a thiocarbonyl functional group, for example, in a method for extracting a base metal such as copper from a material comprising the base metal. Suc...
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WO/2022/059009A1 |
The present invention relates to a process for the beneficiation of solids and ores. The solids comprise metal oxides or metal hydroxides or metal carbonate or metal bicarbonates or salt of weak acids. In said process, a strong acid salt...
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WO/2022/055386A1 |
The invention relates to the field of separating rare earth elements by chromatography. The claimed method for separating lutetium and ytterbium from acidic solutions resulting from the recycling of irradiated ytterbium-176 targets is ca...
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WO/2022/056234A1 |
Methods for utilizing waste products of the steel industry are provided that utilize spent pickle liquor to recover valuable alkaline earth metals from low value wastes with significant calcium content in the form of insoluble oxide, hyd...
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WO/2022/052670A1 |
The present invention belongs to the field of hydrometallurgy. Disclosed is a method for purifying a nickel-cobalt-manganese leaching solution. The method comprises the following steps: heating a nickel-cobalt-manganese leaching solution...
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WO/2022/056230A1 |
Weak acid lixiviants are used to selectively extract calcium from various sources (e.g., steel slag, impure lime, dolomite). Preferably, non-amine weak acids (e.g., weak acids that do not include an amine) as lixiviants are used. Such li...
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WO/2022/048308A1 |
The present application relates to a method for separating copper and manganese from a mixed solution containing copper, manganese, calcium and zinc, the method comprising: (1) subjecting the mixed solution containing copper, manganese, ...
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WO/2022/050248A1 |
This method comprises: a heat treatment step (S1) wherein a heat treatment is carried out by heating a lithium ion secondary battery; a grinding and sorting step (S2) wherein the lithium ion secondary battery after the heat treatment is ...
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WO/2022/049790A1 |
The present invention relates to a method for recovering gold, the method comprising a step for using a gold recovery agent to recover gold from a gold solution in which gold, iodine, an iodine salt, and a reducing agent are dissolved. T...
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WO/2022/049239A1 |
The present invention relates to a process of releasing metallics, metalloids and/or non-metallics and/or degradating organics by bioleaching out of a carrier material, such as minerals, rocks, wastes, soil, and sediments. Furthermore, t...
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WO/2022/048307A1 |
A method for recycling nickel, cobalt and manganese from a feed liquid containing nickel, cobalt and manganese, the method comprising: (1) subjecting the feed liquid to a first extraction to obtain an aqueous phase 1 and an organic phase...
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WO/2022/044934A1 |
Provided are: an alloy powder in which nickel and cobalt can be easily dissolved in an acid and stably leached with an acid; a manufacturing method with which an alloy powder that enables stable acid leaching can be obtained at low cost;...
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WO/2022/045973A1 |
A method of treating a leaching solution derived from a black mass from spent lithium-ion batteries comprising setting pH of the leaching solution to about pH 1.2 to 2.5, adding iron powder to induce copper cementation, adding lime after...
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WO/2022/039112A1 |
These absorbent particles include a carrier particle which comprises an organic polymer that includes monomer units derived from a styrene-base monomer, an organic compound which is attached to the surface of the carrier particle and whi...
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WO/2022/040630A1 |
A method of recovering lithium from an aqueous source is described. Lithium is extracted from the aqueous source using a sorption/desorption process to form a lithium extract. Impurities are removed from the lithium extract to form a pur...
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WO/2022/037404A1 |
Disclosed is a method for producing a battery-grade nickel sulfate by means of laterite nickel ore. The method comprises the following steps: a laterite nickel ore is sorted to obtain a lump ore and a mud and sand ore; the lump ore is cr...
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WO/2022/039039A1 |
Provided is a method for treating sulfide suitable for obtaining nickel and/or cobalt from sulfide containing copper and nickel and/or cobalt. A method for treating sulfide containing copper and nickel and/or cobalt, the method compris...
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WO/2022/036775A1 |
A method for recycling multiple valuable metals from lateritic nickel ore and regeneration cycle of an acid-alkali double medium, comprising: first, finely grinding raw lateritic nickel ores to obtain ore powder, configuring the ore powd...
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WO/2022/038530A1 |
The present invention relates to the recovery of high value metals such as gold and silver from the ores containing them, by means of the leaching process which is carried out in tanks or reactors, and to the destruction of cyanide, whic...
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WO/2022/033041A1 |
The present invention provides an extraction method for ion-adsorbed rare earths. The extraction method comprises the following steps: S1, using calcium chloride solution as a leaching agent to perform leaching on ion-adsorbed rare earth...
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WO/2022/029531A1 |
The present disclosure relates to a process for obtaining metallic lead from its compounds present in an end-of-life lead-acid battery through a direct solid-solid reaction with metallic zinc, characterized in that it comprises: a) dry m...
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WO/2022/028899A1 |
The invention relates to a method for extracting gold and/or silver and/or at least one platinum metal from at least one starting material, wherein the starting material is treated in an electrolyte solution using at least one oxidizing ...
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WO/2022/027146A1 |
Methods for leaching and extraction of precious metals. For example, methods of leaching palladium, rhodium, platinum from a substance comprising palladium, rhodium, and/or platinum (such as a platinum group metal (PGM) concentrate, and ...
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WO/2022/031191A1 |
A method of processing copper-containing materials with the recovery of a precious metal concentrate can be used in non-ferrous metallurgy in the comprehensive processing of copper materials, copper-nickel materials or other copper-conta...
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WO/2022/029081A1 |
A process for recovering Cobalt ion, Nickel ion and Manganese ion from metal-containing residues The present invention relates to a process for recovering one or more metal ions selected from the group consisting of Cobalt, Nickel, Manga...
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WO/2022/028900A1 |
The invention relates to a method for extracting gold and/or silver and/or at least one platinum metal from at least one starting material. The starting material is treated in a solution which contains at least one nitrile using at least...
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WO/2022/028901A1 |
The invention relates to a method for obtaining gold. Said method comprises the provision (41) of at least one starting material (20), which contains gold and carbon and/or sulfide ions, and the treatment of comminuted starting material ...
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WO/2022/028898A1 |
The invention relates to a method for extracting gold and/or silver and/or at least one platinum metal. At least one starting material, which contains gold and/or silver and/or at least one platinum metal, is introduced into an aqueous s...
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WO/2022/022608A1 |
The present invention belongs to the field of hydrometallurgy. Disclosed is a method for recovering lithium from lithium-containing wastewater. The method comprises the following steps: (1) adjusting the pH of lithium-containing wastewat...
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WO/2022/022282A1 |
A stone coal vanadium ore oxidizing, crystal breaking, roasting, and vanadium extraction comprehensive utilization system. A crusher, a high pressure roller mill, a first feeding belt, a feeding bin, a second feeding belt, and a spiral f...
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WO/2022/026826A2 |
A method of recovering a metal, such as copper or nickel or zinc or cobalt, from a metal sulfide-containing material in a mined material that is "non-economic" to recover metals from using conventional recovery options before the inventi...
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