Example of recycling enamel process in Miyako Smelter, …

Japan recovered from the copper smelter Miyako Bismuth converter dust, dust component (%): Bi 2 ~ 6 , Pb 30 ~ 40, Cu 1 ~ 4, Zn 7 ~ 14, Cd 0.7 ~ 1.3. The process flow is shown in Figure 1. Figure 1 Flow chart of the recycling process of Miyako Plant Feature of this process is to output the smeltin ...more

On-site technical transformation - Tongshan Concentrato…

Nature ore containing copper ore types skarn, diorite copper and copper pyrite to copper skarns based. Most of the oxidized ore is loose and porous, the oxidation rate is as high as 90%, and the ore is powdery. Raw ore de-sludge process and its improvement The original design of the crushing proce ...more

Comprehensive recovery of gold and valuable metals from…

Recently our gold mines, tailings gold grade manufacturers in 0. 5g / t more than the number of them, especially those old mines in the early development of gold, due to technical immaturity, backward production technology, tailings gold grade more High, some even as high as 4g / t or more, while t ...more

Ore granulation in heap leaching

Ore granulation in heap leaching refers to the process of agglomerating fine ore fines such as fine mud and mineral powder into larger granular materials by adding some binder and water. Therefore, some people call it a group mine. However, this is different from the requirements, purpose and mecha ...more

Microfine lean hematite ore dressing technology

I. Current status of industrial application of fine-grained poor hematite Magnetic separation, often to 74 ~ 0μm of hematite and magnetite 56 ~ 0μm called fine iron ore, and 45 ~ 0μm the hematite and magnetite 30 ~ 0μm called micro-fine iron ore. Iron grade (TFe) is less than 25%. When ...more

Gold--arsenic raw material treatment and environmental …

The importance of addressing the arsenic-containing materials with dwindling reserves of gold ore and gold sand single metal and concentrates, the composition of the metallurgical complex in gold is also growing. Many of the gold deposits that are being discovered and mined in the Soviet Union, Kaz ...more

Other decomposition techniques and research progress of…

In addition to the two methods of sulfuric acid roasting decomposition and sodium hydroxide decomposition, high temperature chlorination, molten salt extraction and acid-base combination methods have also been studied. These methods based on the properties of minerals, there are unique, but the pro ...more