Matches 1 - 8 out of 8


Match Document Document Title
US20120297928 HEAP LEACH OPERATIONS  
A method of heap leaching including forming a heap lift, installing a horizontal solution collection system between the heap layers including a horizontal tubing with a wireline data collection...
US20110107873 METHOD OF DEGASSING MOLTEN METAL  
To degas a molten metal, a receptacle containing the molten metal and a layer of slag over the molten metal is positioned in a chamber, and the chamber is evacuated. As the pressure in the chamber...
US20080307926 Method for Determining the Properties of the Content of an Arc Furnace  
In a method for determining a dividedness and/or position of a batch material (7) existing essentially in the solid phase in an arc furnace (1) having a furnace vessel (2), acoustic signals (Ne,...
US20110236696 HIGH STRENGTH REBAR  
A high mechanical strength reinforcement steel comprising, in addition to iron, at most about 0.5% by weight carbon, at most about 0.5% by weight vanadium and/or niobium, and the usual residual...
US20070062334 Phase level system  
System to determine the height in liquid or molten metal levels or phases within a mat or slag converter or pyrometallurgical furnace, whereby it comprises a signal generator and a signal...
US20110219914 REDUCING DROSS METHOD OF LEAD-FREE SOLDER  
A reducing dross method of lead-free solder includes the steps of: producing master alloy of reducing dross which comprises Sn and 0.1 to 0.8 wt % P; analyzing the percentage of P in the lead-free...
US20100005926 Method And System For Recovering Metal From Processed Recycled Materials  
Recovering metallic materials, such as copper, from waste materials. The A dynamic sensor measures the rate of change of current generated by metallic materials in the waste materials....
US20160069615 THERMAL REDUCTION APPARATUS FOR METAL PRODUCTION, GATE DEVICE, CONDENSING SYSTEM, AND CONTROL METHOD THEREOF  
Disclosed is a thermal reduction apparatus. The thermal reduction apparatus according to the exemplary embodiment includes: a preheating unit which preheats a to-be-reduced material and loads the...
Matches 1 - 8 out of 8