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Matches 651 - 700 out of 7,070

Document Document Title
WO/2009/109522A1
The present application relates to novel monodisperse, gel-form or macroporous picolylamine resins based on at least one monovinylaromatic compound and at least one polyvinylaromatic compound and/or a (meth)acryloyl compound which contai...  
WO/2009/109520A1
The present application relates to new gel-like or macroporous picolylamine resins based on at least one monovinyl aromatic compound and at least one polyvinyl aromatic compound and/or a (meth)acrylic compound containing tertiary nitrog...  
WO/2009/108993A1
A process for the treatment of solutions or slurries containing dissolved metals comprises the steps of (a) contacting the solution or slurry with an ion exchange resin that selectively removes one or more dissolved metals from the solut...  
WO/2009/110149A1
A process for the recovery of valuable metals from scrap IZO, characterized by conducting electrolysis by using an insoluble electrode as the anode and scrap IZO as the cathode to recover metallic indium and zinc or suboxides of both. Th...  
WO/2009/106734A8
The subject of the present invention is a multi-column sequenced separation process and a device for implementing this process. The invention applies particularly to the separation of metal derivatives such as uranium, nickel, copper, co...  
WO/2009/105832A1
The invention relates to a method for recovering gold from an acid digest of a gold-containing copper anode slime. The acid digest is selectively extracted with an alcohol having low miscibility with water. Gold is then recovered from th...  
WO/2009/106660A1
The invention relates to a method for the recovery of germanium present in aqueous solutions, which is separated form other materials also present in said solutions through the use of ion-exchange resins. The selective extraction is perf...  
WO/2009/106734A1
The subject of the present invention is a multi-column sequenced separation process and a device for implementing this process. The invention applies particularly to the separation of metal derivatives such as uranium, nickel, copper, co...  
WO/2009/103850A4
The invention relates to a method for separating the impurities zinc, iron, calcium, copper and/or manganese from aqueous solutions that contain cobalt and/or nickel. An aqueous solution (1) containing metallic salts is brought into a mi...  
WO/2009/103850A1
The invention relates to a method for separating the impurities zinc, iron, calcium, copper and/or manganese from aqueous solutions that contain cobalt and/or nickel. An aqueous solution (1) containing metallic salts is brought into a mi...  
WO/2009/101864A1
A method of recovering valuable metals from IZO scraps, characterized by using the IZO scraps respectively as an anode and a cathode to conduct electrolysis while periodically reversing the polarity, and recovering the indium and zinc in...  
WO/2009/101863A1
A method of recovering valuable metals from an IZO scrap, characterized by using an insoluble electrode as an anode or cathode and using the IZO scrap as a cathode or anode, which serves as a counter electrode for the insoluble electrode...  
WO/2009/101926A1
Disclosed is a novel rare metal extracting agent. Also disclosed is a method for extracting/separating a rare metal with high efficiency. The rare metal extracting agent comprises a cyclic phenol sulfide derivative represented by general...  
WO/2009/100602A1
A method for extracting Ni and Co from laterite using hydrochloric acid comprises: mining, preparing ore, leaching ore, separating, recovering leach residues, precipitating Ni from leach solution, calcining, and regenerating and recyclin...  
WO/2009/103025A2
Described herein are an apparatus and method for extracting one or more metals from metal sulfide-containing materials. The reactor includes: a containment vessel, the containment vessel having a base member and a wall member; a gas inje...  
WO/2009/103025A3
Described herein are an apparatus and method for extracting one or more metals from metal sulfide-containing materials. The reactor includes: a containment vessel, the containment vessel having a base member and a wall member; a gas inje...  
WO/2009/094732A1
Process for recovering precious metals from catalytic carriers comprising at least the following stages : - Stage 1 : treatment of the carriers with at least one aqueous and/or alcoholic composition - Stage 2 : treatment of the carriers ...  
WO/2009/093730A1
A recovering method is provided, which includes contacting a solid component containing Ru with an aqueous solution to create a Ru compound, and causing the Ru compound to selectively elute in the aqueous solution. The aqueous solution i...  
WO/2009/089613A1
A process for recovering metals such as Ni, Co, Mn, Cu, Zn, among others, through precipitation as sulphides, enabling recovery of magnesium in the form of hydroxide, carbonate and oxide and providing recovery of sulphate as gypsum and a...  
WO/2009/090774A1
A method and an apparatus in which an acidic waste liquid containing copper ions, such as, e.g., an etching waste liquid resulting from the etching of a copper-clad substrate with a cupric chloride etchant or a waste liquid resulting fro...  
WO/2009/089613A9
A process for recovering metals such as Ni, Co, Mn, Cu, Zn, among others, through precipitation as sulphides, enabling recovery of magnesium in the form of hydroxide, carbonate and oxide and providing recovery of sulphate as gypsum and a...  
WO/2009/092023A1
The present invention relates, generally, to a method and apparatus for recovering metal values from a metal-bearing materials, and more specifically, a process for recovering copper and other metals through leaching, electrowinning usin...  
WO/2009/089613A8
A process for recovering metals such as Ni, Co, Mn, Cu, Zn, among others, through precipitation as sulphides, enabling recovery of magnesium in the form of hydroxide, carbonate and oxide and providing recovery of sulphate as gypsum and a...  
WO/2009/087908A1
A method of recycling useful metals is provided. The method enables useful metals including indium, zinc, yttrium, europium, lanthanum, terbium, gadolinium, antimony, lead, copper, tin, and silver to be recovered from wastes, such as aba...  
WO/2009/088605A1
A system which uses available waste acid process streams from hydrometallurgical extraction processes as absorption media for the direct production of leach grade acid solutions for return to the hydrometallurgical processing circuit for...  
WO/2009/083204A1
Suggested is an improved process for metal recovery from ore using agitation leaching comprising dividing leaching of the crushed and mined ore into at least two sequential leaching-solids-liquid separation-solvent extraction sub-circuit...  
WO/2009/079715A1
A heap leach process for the recovery of nickel and cobalt from a lateritic ore, said process including the steps of leaching and/or agglomerating the ore with a lixiviant that includes ferrous ions, wherein the lixiviant is able to libe...  
WO/2009/079716A1
A process for heap leaching a laterite or said process including the steps of: a) providing a primary and a secondary heap, said primary heap comprising predominantly a nickel and cobalt containing sulfide or saprolitic type ore, and sai...  
WO/2009/071006A1
A method of manufacturing V product utilizing fluidization technology and fluidization device comprises: calcining V slag with high Ca in a fluidized furnace, in which the weight ratio of CaO to V2O5 is 0.5-1.4, the average temperature i...  
WO/2009/068735A1
The invention relates to a method for processing pyritic copper sulphide concentrate, in which, in addition to copper, there is arsenic and gold bound to the sulphide minerals, or invisible gold. In the method concentrate is leached into...  
WO/2009/069005A3
The present invention is directed to recovery of gold from refractory and double refractory ores using a fungal agent and/or culture media. The fungal agent is inoculated in the feed material to either decompose sulfide sulfur or deactiv...  
WO/2009/066308A3
A process for extraction of alumina from aluminum containing ores is disclosed. The process comprises the following steps, determining the alumina and silica content in the ore; treating the ore with caustic and heat, leaching the interm...  
WO/2009/067128A3
A method and apparatus for extracting organic chemicals from water. In particular an apparatus and procedure to effect the liquid-liquid extraction of semi- volatile organic compounds from water in original sampling bottles by rotating a...  
WO/2009/066308A2
A process for extraction of alumina from aluminum containing ores is disclosed. The process comprises the following steps, determining the alumina and silica content in the ore; treating the ore with caustic and heat, leaching the interm...  
WO/2009/067128A2
A method and apparatus for extracting organic chemicals from water. In particular an apparatus and procedure to effect the liquid-liquid extraction of semi- volatile organic compounds from water in original sampling bottles by rotating a...  
WO/2009/067039A1
The inventive method for extracting precious metals from refractory ores and concentrates can be used in the hydrometallurgical industry for processing sulphide mineral raw materials. The method for extracting precious metals from refrac...  
WO/2009/063482A2
A process for extraction of alumina from aluminum containing ores is disclosed. The process involves the following steps: determining the alumina and silica content in the ore; treating the ore with caustic, subjecting the reaction mass ...  
WO/2009/063482A3
A process for extraction of alumina from aluminum containing ores is disclosed. The process involves the following steps: determining the alumina and silica content in the ore; treating the ore with caustic, subjecting the reaction mass ...  
WO/2009/063128A1
Equipment to be placed in the settler (6) of liquid-liquid extraction. The equipment comprises an overflow chute (10) for receiving a first solution as an overflow from the settler; a first outlet box (11) that is placed on a lower level...  
WO/2009/059336A1
A method of conducting a bioleaching process including the steps of forming a main heap, culturing at least one microorganism which exhibits bioleaching activity in a predetermined temperature range, monitoring the temperature in the mai...  
WO/2009/052362A3
The present invention relates to polysaccharides that have been modified by- providing azetidinium functionality thereto. Such functionality can be provided by crosslinking a polysaccharide with a resin having azetidinium functional grou...  
WO/2009/044298A3
A composition and method for agglomerating/coagulating silica particles in aqueous mineral process streams comprising polyalkylene glycols and non-salt polyether amines and further contacting with flocculant agent. The invention further ...  
WO/2009/044298A8
A composition and method for agglomerating/coagulating silica particles in aqueous mineral process streams comprising polyalkylene glycols and non-salt polyether amines and further contacting with flocculant agent. The invention further ...  
WO/2009/044298A2
A composition and method for agglomerating/coagulating silica particles in aqueous mineral process streams comprising polyalkylene glycols and non-salt polyether amines and further contacting with flocculant agent. The invention further ...  
WO/2009/039643A1
A process for producing a purified nickel hydroxide precipitate from a nickel-containing leach solution with impurities including one or more of the following: manganese, copper, zinc, iron and/or cobalt, so that the purified nickel hydr...  
WO/2009/039560A1
A micronutrient fertiliser comprising leach tailings from a sulphur dioxide leach process for the recovery of manganese or manganese sulphate products and a method for the production of such a micronutrient fertiliser, the method compris...  
WO/2009/039580A1
A process for producing a stable metal sulfate product including the steps of : a) providing a source of metal sulfate crystals; b) adding a sub-stoichiometric amount of a stabilising compound to the metal sulfate crystals to form a past...  
WO/2009/038962A1
The present invention relates generally to a process for controlled leaching and sequential recovery of two or more metals from metal-bearing materials. In one exemplary embodiment, recovery of metals from a leached metal-bearing materia...  
WO/2009/038963A1
The present invention relates generally to a process for removing dissolved or colloidal silica from a pregnant leach solution ("PLS"). More particularly, an exemplary embodiment of the present invention relates to a process which mixes ...  
WO/2009/033227A1
A process for the recovery of nickel and/or cobalt from a lateritic ore by heap leaching, the process including the steps of : a) forming one or more heaps from a lateritic ore body wherein that lateritic ore body includes a blend of bot...  

Matches 651 - 700 out of 7,070