Matches 1 - 14 out of 14


Match Document Document Title
US20130269481 METHOD FOR PRODUCING BLISTER COPPER DIRECTLY FROM COPPER CONCENTRATE  
The present invention provides a method for producing blister copper directly from copper concentrate, comprising: a) adding copper concentrate, copper matte, slagging material, oxygen enriched...
US20060000309 Supply recycling system and valuable-metal recovering system  
A supply recycling system for recycling supply goods used in an office-automation equipment includes a toner refilling process including removing waste toner from a toner bottle retrieved from a...
US20150135896 METHOD OF REDUCTION PROCESSING OF STEEL-MAKING SLAG  
The method of reduction processing of steel-making slag, includes: a hot steel-making slag inflow process of continuously or intermittently charging, from a slag supplying container, hot...
US20060196308 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace  
The invention relates to a method for recovering metallic elements, especially metallic chromium, from slag containing oxides, especially chromium oxides, in an electric-arc furnace. According to...
US20080156144 METHOD FOR REDUCING TO METALLIC CHROMIUM THE CHROMIUM OXIDE IN SLAG FROM STAINLESS STEEL PROCESSING  
The present invention relates to a method for reducing to metallic chromium the chromium oxide material found in slag formed in an electric arc furnace during the process of making stainless steel...
US20050217422 Method for refining concentrate containing precious metals  
The invention relates to a method for refining precious metal concentrate, and according to said method, at least the precious metal concentrate (9), reaction gas (10), flux (11) and flue dust...
US20130186236 Energy Efficient Salt-Free Recovery Of Metal From Dross  
A process and an apparatus are disclosed for improved recovery of metal from hot and cold dross, wherein a dross-treating furnace is provided with a filling material with capacity to store heat....
US20150122082 METHOD FOR PROCESSING SLAGS OF NON-FERROUS METALLURGY  
The invention relates to a method for processing slags of non-ferrous metallurgy, containing iron and valuable metals, to produce clean slag that is free of detrimental substances and valuable...
US20090211398 Process and Arrangement for Extracting a Metal from Slag a Containing Said Metal  
The invention is directed to a process for extracting a metal from a slag containing said metal, wherein the liquefied metal-containing slag is heated in at least one electric arc furnace (1, 2)....
US20080250899 Processing Metallurgical Slag  
The invention provides a method of processing a starting material in the form of a metal oxide-containing raw metallurgical slag to obtain a processed slag product. The method includes admixing...
US20080250900 METHOD AND APPARATUS FOR LEAD SMELTING  
A method for producing lead involves feeding lead concentrate, flux and solid fuel passing to a feed preparation unit. The prepared, mixed feed is then passed to a lead smelting furnace, such as...
US20090249919 METHOD FOR THE CONTINUOUS OR DISCONTINUOUS EXTRACTION OF A METAL OR SEVERAL METALS FROM A SLAG THAT CONTAINS THE METAL OR A COMPOUND OF THE METAL  
The invention concerns a method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal, in which the liquefied...
US20100089202 METHOD FOR THE REDUCTION OF A SLAG HAVING A HIGH DEGREE OF CHROMIUM IN AN ELECTRIC ARC FURNACE  
During the production of stainless steel, a slag is formed during the melting of the solid material in the electric arc furnace, the slag having a high degree of metal oxides, particularly...
US20110203413 PROCESS AND EQUIPMENT FOR THE TREATMENT OF LOADS OR RESIDUES OF NON-FERROUS METALS AND THEIR ALLOYS  
A process for the treatment of loads or residues of non-ferrous metals and their alloys includes the steps of loading of scraps or dross to be processed and heating the load and melting the metal....

Matches 1 - 14 out of 14