Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 201 - 250 out of 7,991

Document Document Title
WO/2015/009254A2
The present invention relates to a process for recovering nickel, cobalt and scandium from refractory lateritic nickel ores, wherein in this process, lateritic nickel ores are subjected to high pressure acid leaching process with sulphur...  
WO/2015/009254A3
The present invention relates to a process for recovering nickel, cobalt and scandium from refractory lateritic nickel ores, wherein in this process, lateritic nickel ores are subjected to high pressure acid leaching process with sulphur...  
WO/2015/009204A3
The invention relates to hydrometallurgy, particularly to the process of extraction of nickel, cobalt, and other metals from laterite ores. The process of extraction of nickel, cobalt and other metals from laterite ores includes leaching...  
WO/2015/006850A1
A method for recovering precious metal from an acidic pregnant solution resulting from halogen or hypohalite leaching of an ore, comprising lowering the ORP of the pregnant leachate with a reducing agent in the presence of slurried non-c...  
WO/2015/003538A1
Disclosed is a hydrometallurgical method of metal sulfides, comprising: 1) adding a metal A sulfide into a leaching solution and finally generating a metal A complex, elemental sulfur and a reduced catalyst; and 2) filtering the leaching...  
WO/2015/001893A1
In the present invention, proposed is a separation method for a leaching residue from which can be obtained a hematite-containing substance that can be used as an iron manufacturing-use starting material, and provided is a production met...  
WO/2014/203661A1
Provided is a hematite manufacturing method by which hematite with a low sulfur level can be manufactured using a high-pressure acid leaching (HPAL) process with a nickel oxidized ore. Magnesium oxide manufactured by steps (1) through (5...  
WO/2014/203557A1
The present invention mitigates concentration of stress due to differences in thermal expansion and prevents damage of lining members. A lining structure (1) for a lining member (20) provided on the base material (10) of an inserted tube...  
WO/2014/201507A1
The present disclosure relates to homoserine lactones derivatives of formula (I) (I) as biomining additives. The present disclosure also provides biomining operations using the biomining additive to improving target mineral recovery.  
WO/2014/201507A8
The present disclosure relates to homoserine lactones derivatives of formula (I) as biomining additives. The present disclosure also provides biomining operations using the biomining additive to improving target mineral recovery.  
WO/2014/201948A1
A wet method for recovering a lead-containing raw material, comprising: 1) a lead-containing raw material is leached with a solution containing a sulphate, a complexing agent and a catalyst, a reductant is added to reduce lead dioxide or...  
WO/2014/199007A1
In a solvent extraction settler arrangement the outlet box (11) comprises an inner tube (18) arranged vertically inside a shaft (12), the inner tube being spaced from the side wall (13) of the shaft (12) to define an intermediate space (...  
WO/2014/199006A1
A method of manufacturing an elbow channel (1) with an elbow angle (a). The method comprises manufacturing an elongated filament-reinforced plastic composite hollow body (2) by a filament winding technology; miter-cutting the elongated h...  
WO/2014/198690A1
The invention relates to a method for recovering at least one metal present within a material, said material possibly including iron, said method including a step of supplying a ferrous ion, a step of supplying a ferric ion, and a step o...  
WO/2014/198830A1
A process of isolating a REE or a group of REE from a solution or dispersion containing said REE or said group of REEs comprising the following steps: (i) preparing a mixture comprising said solution or dispersion and biomass comprising ...  
WO/2014/199771A1
Provided is a wastewater treatment method capable of selectively and efficiently separating and removing high-purity manganese sediment from sulfuric acid acidic wastewater containing aluminum, magnesium and manganese. In this wastewater...  
WO/2014/195586A1
The present invention relates to a method of recovering copper and one or more precious metals from copper-bearing sulfide ore or concentrate comprising leaching copper-bearing ore and/or concentrate under atmospheric or slightly pressur...  
WO/2014/191833A1
The disclosure relates to the oxidation and immobilization of trivalent arsenic from arsenic-containing solutions. The process includes oxidation of trivalent arsenic (As3+) species to the pentavalent state (As5+). A carbon additive (e.g...  
WO/2014/191832A1
The disclosure relates to pre-treatment of precious metal-bearing oxide ores, prior to precious metal leaching by thiosulfate. The process comprises mixing oxide ore in oxygenated water in the presence of a carbon-based material (e.g., a...  
WO/2014/190434A1
A method for purification and separation of mixed elements, comprising at least a first free flow electrophoresis separation chamber, wherein a solution of the mixed elements is passed through the first separation chamber, an electric fi...  
WO/2014/193751A1
An apparatus and/or system and method for recycling vent gas from an autoclave (103) is disclosed including cooling and cleaning a vent gas, introducing the cooled and cleaned resultant stream into a purification unit (109) to remove at ...  
WO/2014/193253A1
We disclose a process of obtaining a highly concentrated and purified nickel (II) nitrate(V) solution from a waste nickel solution containing sulphates and/or chlorides. Multicomponent solutions, containing nickel, are used as a substrat...  
WO/2014/188158A1
A process of forming a porous polymer template material for use in selectively recovering a metal from a solution of the metal ions comprises polymerising a monomer admixed with a compound of the metal to be recovered, and then treating ...  
WO/2014/188077A1
The invention relates to a method and apparatus for recovering metals from metalliferous starting materials comprising steps of i) leaching the metalliferous starting material in chloride-based leaching liquor, ii) withdrawing from the l...  
WO/2014/183511A1
A method for processing vanadium-titanium magnetite finished ores by using a wet process. The method comprises the steps: extracting vanadium from vanadium-titanium magnetite finished ores and processing, by using the vanadium extraction...  
WO/2014/177903A1
The invention relates to a method for bioleaching and solvent extraction with selective recovery of copper and zinc from polymetal concentrates of sulfides, comprising a process of bioleaching and reduction of ferric ion and a process of...  
WO/2014/177765A1
The invention relates to a method for preparing a gold- containing solution by chloride leaching from gold-bearing raw materials. A further object of the invention is to provide a method for recovering gold and optionally silver from the...  
WO/2014/178586A1
The present invention relates to a method for recovering an acid and a platinum group metal from a leaching solution of a waste catalyst and, more particularly, to a method for recovering an acid and a platinum group metal from a leachin...  
WO/2014/174483A2
The invention relates to novel algae of the genus Coccomyxa, especially the algae of a novel species called C-IR3-4C, and to the use thereof for capturing metals from aqueous environments, especially radioactive environments.  
WO/2014/175094A1
Proposed is a method for separating a leaching residue from which can be obtained a hematite-containing material that can be used as a starting material for iron manufacturing, and provided is a production method that, from the leaching ...  
WO/2014/174501A3
The invention concerns use of metal scavengers of the formula (1), wherein the variables are as defined in the description of the invention, for removal of ruthenium residues, compounds, or complexes thereof, from the post-reaction mixtu...  
WO/2014/175093A1
Provided is a hydrometallurgy method that is for nickel oxide ore, increases the durability of the production equipment in the method for hydrometallurgy of a nickel oxide ore by means of a high-pressure acid leaching method, involves si...  
WO/2014/174483A3
The invention relates to novel algae of the genus Coccomyxa, especially the algae of a novel species called C-IR3-4C, and to the use thereof for capturing metals from aqueous environments, especially radioactive environments.  
WO/2014/174501A4
The invention concerns use of metal scavengers of the formula (1), wherein the variables are as defined in the description of the invention, for removal of ruthenium residues, compounds, or complexes thereof, from the post-reaction mixtu...  
WO/2014/175218A1
The present invention provides a method for collecting a valuable metal, which enables a medium- to high-concentration cyan waste fluid to be treated at low cost and in a simple manner, and also enables a so-called valuable metal, e.g., ...  
WO/2014/171370A1
The present invention extracts precious metals from an acidic solution containing precious metals in an early and highly efficient manner. Provided is an extraction agent for precious metals that is represented by the general formula bel...  
WO/2014/169325A1
A process for recovering copper, uranium and one or more precious metals from an ore material, including: a. forming a heap of the ore material; b. subjecting the heap of the ore material to an acidic heap leach using an iron containing ...  
WO/2014/170863A1
This invention relates to a process for treating a resin that has been in contact with pregnant leach solution (PLS) containing ionic metal species such as uranium, copper, cobalt, nickel, gold, chrome, PGM's and Rare Earth Metals, and w...  
WO/2014/169827A1
Method for two-stage bioleaching of secondary copper sulfide ore, comprising the following steps: 1) feeding secondary copper sulfide ore, after crushing, to a leach pad to build a heap and performing the first stage of leaching, until 4...  
WO/2014/166484A4
The invention relates to a method for concentrating metals, in particular silver and/or tin and/or lead from scrap containing metal, by treating the material/scrap containing silver and/or tin and/or lead with a sulfonic acid of the form...  
WO/2014/166484A1
The invention relates to a method for concentrating metals, in particular silver and/or tin and/or lead from scrap containing metal, by treating the material/scrap containing silver and/or tin and/or lead with a sulfonic acid of the form...  
WO/2014/168622A1
A method of recovering metal values from slag includes the steps of pulverizing the slag to particles less than about 100 μιη; leaching the pulverized slag with a solution of ammonium chloride, sodium chloride, and potassium chloride;...  
WO/2014/168620A1
A method of recovering metals from a polymetallic mineral resource containing lead, zinc, and other metals, the method comprising flotation separating the polymetallic mineral resource while only suppressing the flotation of zinc and oth...  
WO/2014/168749A1
Recovering gold from gold-loaded fine carbon by application of thermo-kinetic chemical activation regime at a low temperature, while preventing vitrification of imputies found in the gold-loaded fine carbon.  
WO/2014/167534A1
A recovery process includes contacting a powder comprising an admixture of yttrium oxide and europium oxide with an inorganic acid to form an acidic solution containing yttrium ions and europium ions. In a first multiple plate liquid-liq...  
WO/2014/156351A1
 This method for recovering gold from gold ore containing pyrite comprises: a pretreatment step which includes a first step in which gold ore containing pyrite is prepared and a second step in which the gold ore is heated to a temperat...  
WO/2014/153639A1
The invention provides a process for the leaching of a laterite ore or concentrate for the recovery of value metals, at least one value metal being nickel. The laterite ore or concentrate is subjected to a leaching step in acidic mixed c...  
WO/2014/156349A1
 This method for recovering gold from sulfide ore comprises: a first step in which a first acidic solution containing chlorine ions, copper ions, and iron ions but not containing bromine ions is brought into contact with a sulfide ore ...  
WO/2014/155855A1
Provided is a manufacturing method for hematite for steel manufacture in which conventional Ca based neutralizing agents and neutralizing agents, other than Ca-based ones, derived from base rock can be used in actual operations for refin...  
WO/2014/158043A1
The invention relates to regeneration of waste from refractory nickel superalloys containing rhenium. The method for recovery of components from the waste from nickel-containing superalloys comprises: treating the waste with hydrochloric...  

Matches 201 - 250 out of 7,991