Matches 1 - 13 out of 13


Match Document Document Title
US20080025890 Use of Surfactants in the Production of Metal  
An aqueous sulfuric acid-containing composition which comprises at least one surfactant, and a process for extricating metal from metal-containing materials with the aid of this aqueous sulfuric...
US20080053104 Manufacture of water chemistries  
As population density increases, the transportation of hazardous chemicals, including acids and disinfectants, lead to an increased incidence of spills while the consequences of spills become more...
US20080019891 Copper recoery method and system therefor  
A process for copper recovery includes mixing a sludge cake with an acidic copper-containing rinsing waste liquid to form slurry; reacting the slurry with acidic SPS-containing effluent, nitric...
US20070077187 One-step production of gold sols  
The present invention comprises novel “one-step” methods for the production of gold sol and gold sol conjugates. The methods disclosed herein produce gold sol and colloidal gold conjugates with...
US20110274597 USE OF Mg(HCO3)2 AND/OR Ca(HCO3)2 AQUEOUS SOLUTION IN METAL EXTRACTIVE SEPARATION AND PURIFICATION  
The application of aqueous solution of magnesium bicarbonate and/or calcium bicarbonate in the process of extraction separation and purification of metals is disclosed, wherein the aqueous...
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...
US20080118421 METHOD AND MEANS FOR USING MICROWAVE ENERGY TO OXIDIZE SULFIDIC COPPER ORE INTO A PRESCRIBED OXIDE-SULFATE PRODUCT  
The present invention is directed to the microwave treatment of a class of selected metal ores and concentrates, particularly those known as chalcopyrite, in a fluidized bed reactor. The end...
US20070108137 Heavy metal recovery system and method for heavy metal recovery  
A heavy metal recovery system at least includes a slurry preparation unit, a reaction unit, and a pressure filtering unit. In the slurry preparation unit, a heavy metal-containing sludge cake...
US20070275259 Method of producing metal nanoparticles and metal nanoparticles produced thereby  
The present invention relates to a method of producing metal nanoparticles and the metal nanoparticles produced thereby and in particular, to a method of producing metal nanoparticles comprising...
US20060243604 Method and apparatus for treating waste water  
The present invention relates to a method and apparatus for removing and recovering metal such as copper from various kinds of waste water containing copper. A method for treating waste water...
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...
US20090148361 PROCESSES AND SYSTEMS FOR RECOVERING CATALYST PROMOTER FROM CATALYST SUBSTRATES  
Processes and systems for recovering promoter-containing compounds, for example, perrhenates, from promoter-containing catalyst substrates, for example, substrates containing precious metals, such...
US20160237523 METHOD AND PLANT FOR REMOVING ARSENIC AND/OR ANTIMONY FROM FLUE DUSTS  
A method for the treatment of flue dusts containing arsenic and/or antimony from pyrometallurgical methods, wherein a reducing agent is added to the flue dusts, the flue dusts are heated together...

Matches 1 - 13 out of 13