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US20140154156 RECOVERY OF REUSABLE OSMIUM TETROXIDE  
The present invention enables simple production of osmium tetroxide having comparable performance to that sold in reagents from a solution containing osmium. The present invention relates to a...
US20140369905 METHOD FOR PREPARING SOLID RUTHENIUM NITROSYL NITRATE  
A method for preparing solid ruthenium nitrosyl nitrate, including : 1) drying a ruthenium-containing spent catalyst, and calcining the spent catalyst, and cooling to room temperature, whereby...
US20130330255 METHOD FOR COLLECTION OF RUTHENIUM OR RUTHENIUM COMPOUND  
According to the present invention, ruthenium or a ruthenium compound, which is expensive, can be collected with high efficiency even from an aqueous solution containing a water-soluble salt, a...
US20140328736 METHOD FOR SEPARATION OF CHEMICALLY PURE OS FROM METAL MIXTURES  
A method for separating an amount of osmium from a mixture containing the osmium and at least one other additional metal is provided. In particular, method for forming and trapping OsO4 to...
US20130108525 METHOD FOR SEPARATION OF CHEMICALLY PURE OS FROM METAL MIXTURES  
A method for separating an amount of osmium from a mixture containing the osmium and at least one other additional metal is provided. In particular, method for forming and trapping OsO4 to...
US20110286898 PROCESS FOR RECOVERING RUTHENIUM FROM USED RUTHENIUM OXIDE-COMPRISING CATALYSTS  
The invention relates to a process for recovering ruthenium from a used ruthenium-comprising catalyst which comprises ruthenium as ruthenium oxide on a support material which is not readily...
US20080160176 Method of fabricating iridium layer with volatile precursor  
An iridium precursor, and an iridium layer from the precursor is described. The Ir(I) in the precursor becomes Ir(III) in a reduction pathway before forming an Ir(0) layer.
US20070041883 Process for hydrometallurgical treatment of electric arc furnace dust  
A process for treating electric arc furnace dust to recover lead, zinc, iron and precious metals by washing the dust, solubilizing and electrowinning some metals, and extracting other metals from...
US20100080744 PROCESS FOR ISOLATING METALLIC RUTHENIUM OR RUTHENIUM COMPOUNDS FROM RUTHENIUM-CONTAINING SOLIDS  
The present invention relates to a process for mobilizing metallic ruthenium or ruthenium compounds from solids to form volatile ruthenium compounds by means of a gas stream containing a hydrogen...
US20090061327 REMOVAL OF IONIC RESIDUES OR OXIDES AND PREVENTION OF PHOTO-INDUCED DEFECTS, IONIC CRYSTAL OR OXIDE GROWTH ON PHOTOLITHOGRAPHIC SURFACES  
Techniques associated with surface treatments for photomasks, semiconductor wafers, and/or optics are generally described. In one example, a method includes preparing a surface of a photomask or...
US20100055011 METHOD FOR RECOVERING RUTHENIUM  
An object of the present invention is to provide a process for recovering ruthenium at a sufficient recovery rate from a solid in which a ruthenium compound is supported on a carrier. The present...
US20090123350 Recovery of precious metals and their compounds from natural quartz ore using sodium silicate manufacturing techniques  
This patent is an improvement of the well known process outlined in U.S. Pat. No. 4,336,235. The current invention is unique in the fact that it applies this well-known manufacturing technique to...
US20110274598 SUSTAINABLE RECOVERY OF METAL COMPOUNDS  
Disclosed is a process for removing metals from waste, particularly electronic waste (or “e-waste”). The process generally includes the steps of dissolving at least some of the metals from the...
US20130149219 SEPARATION OF IRON FROM VALUE METALS IN LEACHING OF LATERITE ORES  
The invention provides a process for the leaching of a laterite ore, concentrate, tailings or waste rock for the recovery of value metals, at least one value metal being nickel. The laterite ore...
US20080253948 METHOD FOR THE RECYCLING AND PURIFICATION OF AN INORGANIC METALLIC PRECURSOR  
Methods and apparatus for the recycling and purification of an inorganic metallic precursor. A first gaseous stream containing ruthenium tetroxide is provided, and transformed into a solid phase...
US20090191107 PROCESSES FOR THE RECOVERY OF RUTHENIUM FROM MATERIALS CONTAINING RUTHENIUM ORRUTHENIUM OXIDES OR FROM RUTHENIUM-CONTAINING NOBLE METAL ORE CONCENTRATES  
Processes for the recovery of ruthenium from materials containing ruthenium or ruthenium oxides or from ruthenium-containing noble metal ore concentrates, with the steps of A. the introduction of...
US20110182786 HYDROMETALLURGICAL PROCESS AND METHOD FOR RECOVERING METALS  
A mineral processing facility is provided that includes a cogen plant to provide electrical energy and waste heat to the facility and an electrochemical acid generation plant to generate, from a...
US20070202025 Method For Recovery Of Palladium  
Due to its ability to activate small molecules, palladium is increasingly used mainly in catalysis. For example in 2002 the world demand for Pd for the production of catalytic converters for motor...
US20110229384 CONCENTRATE QUALITY IN THE ENRICHMENT OF UG-2 PLATINUM ORE  
The present invention relates to a process for separating at least one first substance from a mixture comprising this at least one first substance and at least one second substance, comprising the...
US20070065353 Method of Homogenization and, Optionally, Analysis for Processing Moist Noble Metal-Containing Recycling Materials With an Unknown Noble Metal Content  
For processing of noble metal-containing, moist recycling materials with an unknown noble metal content (hereinafter called “batch”), a moisture-binding agent is added for homogenisation and the...
US20090074639 CONTROLLED COPPER LEACH RECOVERY CIRCUIT  
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...
US20110165041 PROCESSESS FOR THE RECOVERY OF RUTHENIUM FROM MATERIALS CONTAINING RUTHENIUM OR RUTHENIUM OXIDES OR FROM RUTHENIUM-CONTAINING NOBLE METAL ORE CONCENTRATES  
Processes for the recovery of ruthenium from materials containing ruthenium or ruthenium oxides or from ruthenium-containing noble metal ore concentrates, with the steps of A. the introduction of...
US20100215556 NANOPORE REACTIVE ADSORBENTS FOR THE HIGH-EFFICIENCY REMOVAL OF WASTE SPECIES  
A nanopore reactive adsorbent composite material, which may be a porous adsorbent comprising a chemically surface face modified gel, has a composition and micro structure, which integrals ion...
US20130089477 Method and Apparatus for Recovering Rare Metal  
Disclosed is a method and apparatus for recovering rare metal, which separates and collects rare metals by making use of chemical actions in an efficient combination of adsorption and separation,...
US20150218671 METHOD FOR RECOVERING PRECIOUS METAL FROM METAL CARRIER CATALYST  
A method for recovering precious metal held in a metal carrier catalyst from said catalyst, that includes a step (1) in which the catalyst is heated in a nitric acid solution, and a step (2) in...
US20050186129 Metallic colloid particles and process for producing same  
There are disclosed metallic colloid particles containing platinum fine particles wherein platinum colloid particles are supported on the surfaces of gold colloid particles, and the platinum fine...
US20090191106 PROCESSES AND DEVICES FOR REMOVING RUTHENIUM AS RuO4 FROM RUTHENATE-CONTAINING SOLUTIONS BY DISTILLATION  
In processes for removing ruthenium by distilling RuO4 from ruthenate-containing solutions with these steps of the treatment of the ruthenate-containing solution with an oxidising agent,distilling...
US20090226352 METHOD FOR RECOVERING NOBLE METAL  
An embodiment of the invention provides a method for recovering noble metal, which includes providing a carbon-supported catalyst containing a noble metal and a carbonaceous material and...
US20120228151 Method and Technique Employing a Novel Extractant to Enhance Recovery of Gold and Palladium from Hydrochloric Acid Media  
An extraction component enabling the concurrent recovery of gold and/or palladium selectively from a hydrochloric acid media containing the base metals and other contaminants. The disclosed...
US20140147353 COMPOSITIONS AND METHODS FOR THE SEPARATION OF METALS  
Methods and compositions are described for preparing metal salts and selectively separating metals from substrates and other metals. The methods can include a thionyl reagent that reacts with a...
US20130078166 METHOD FOR RECOVERING RHENIUM AND OTHER METALS FROM RHENIUM-BEARING MATERIALS  
A method of recovering rhenium (Re) and other metals from Re-bearing materials in the form of ammonium perrhenate having at least the step of adding Re-bearing materials into a leaching slurry....
US20140377151 PROCESS FOR RECOVERY OF COBALT, RUTHENIUM, AND ALUMINUM FROM SPENT CATALYST  
A method for recovering cobalt, ruthenium, and aluminum from spent Co—Ru/Al2O3 catalyst. First, Co—Ru/Al2O3 spent catalyst is subjected to hydrocarbon removal, reaction with hydrogen, and alkali...
US20130315803 LIQUID-LIQUID-LIQUID THREE-PHASE CONTINUOUS COUNTERCURRENT EXTRACTION DEVICE AND USE THEREOF  
A liquid-liquid-liquid three-phase continuous and countercurrent extraction apparatus comprises a three-phase-mixing chamber, a three-liquid-flow settler, and a two-phase-mixing chamber; a...
US20090257931 METHOD OF RECOVERING NOBLE METALS AND RECOVERING SYSTEM FOR NOBLE METALS  
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...
US20100135875 APPARATUS FOR REMOVING RUTHENIUM FROM SOLUTION CONTAINING PLATINUM GROUP METAL  
The invention provides an apparatus for effectively removing ruthenium when ruthenium is removed from a solution containing platinum group metal by oxidation distillation. The invention provides...
US20070183951 Method for recovering noble metals from metallic carrier catalytic device  
This invention provides a method for efficiently separating and recovering a wash coat which supports noble metal-containing catalytic component from a metallic carrier of a spent metallic carrier...
US20090208391 PROCESSES FOR THE RECOVERY OF CATALYTIC METAL AND CARBON NANOTUBES  
A new method for recovering a catalytic metal and carbon nanotubes from a supported catalyst is provided. The carbon nanotube, including carbon nanotube structures, may serve as the support for...
US20110176978 METAL RECOVERY FROM HYDROCONVERTED HEAVY EFFLUENT  
A metal recovery process, for heavy products from a hydroconversion process, containing unconverted residue and a solid carbonaceous material containing the group 8-10 metal, the group 6 metal,...
US20130177487 UPGRADING OF PRECIOUS METALS CONCENTRATES AND RESIDUES  
A process for upgrading a precious metals-containing concentrate or residue results in near-quantitave removal of base metals and several impurity elements at elevated temperatures. The precious...
US20100226837 PRODUCTION OF METAL PRODUCTS DIRECTLY FROM UNDERGROUND ORE DEPOSITS  
A process for producing metal compounds directly from underground mineral deposits including the steps of forming a borehole at a site into a mineral deposit containing metal compounds, inserting...
US20110239825 METAL COMPONENT COLLECTION AGENT AND METHOD FOR COLLECTING METAL COMPONENT  
The present invention provides a metal component collection agent for collecting one or more metal components from a metal component-containing material; the agent containing, as an active...
US20140248198 PALLADIUM SEPARATING AGENT, METHOD FOR PRODUCING SAME AND USE OF SAME  
To provide a palladium separating agent capable of separating palladium ions from a solution containing palladium ions of a low concentration to a high concentration in a short time with a high...
US20060144791 Platinum recovery from nanostructured fuel cell catalyst  
A method and apparatus is provided for recovering platinum metal from a catalyst-coated membrane comprising nanostructured elements by exposure to an oxidizing acidic solution. The method may...
US20150218670 EXTRACTION SOLVENT FOR EXTRACTING METALLIC ELEMENTS, METHOD FOR PRODUCING SAME, AND METHOD FOR RECOVERING METALLIC ELEMENTS  
The present invention provides an extraction solvent for extracting metallic elements that is characterized in that: the total concentration of chlorine (Cl2) and hypochlorous acid (HOCl) is from...
US20090274597 Method and device for catchment of platinum group metals in a gas stream  
This invention relates to a method and device for catchment of platinum group metals (PGM) in a gaseous stream, where the method comprises using a catalyst comprising a porous ceramic body in...
US20100202944 METHOD FOR PREPARING SAMPLES FOR QUANTITATIVELY AND QUALITATIVELY DETERMINING THE PRECIOUS METAL CONTENT IN PRODUCTS OF PROCESSING OF POTASSIUM AND MAGNESIUM ORES  
The invention relates to analytical chemistry and technology for processing clay-salt waste (slurries) of potassium-processing factories. The inventive method is based on the analysis of the...
US20100226838 PROCESS FOR THE REMOVAL OF CATALYST DEGRADATION PRODUCTS  
The present invention relates to a process for the removal of metal catalyst degradation products from a bleed stream of a catalytic chemical reaction process, wherein the catalyst is based on a...
US20110123418 Process for Forming High Density Sulfides  
A process for the recovery of a metal sulfide from a metal ion containing solution, including the steps of: a) providing a slurry containing seed panicles of said metal sulfide; h) adding a...
US20110091365 PICOLYLAMINE RESINS  
The present application relates to novel gel-type or macroporous picolylamine resins which are based on at least one monovinylaromatic compound and at least one polyvinylaromatic compound and/or a...
US20120164039 PALLADIUM ION ADSORBENT AND METHODS FOR SEPARATING AND RECOVERING PALLADIUM USING IT  
To provide a solid-liquid palladium ion adsorbent which has both extraction performance and selectivity of a liquid-liquid palladium extracting agent in a conventional solvent extraction method...

Matches 1 - 50 out of 58 1 2 >