The hot press leaching in a closed vessel can increase the reaction rate, and a gas or a volatile matter can be used as the leaching agent. At present, industrially, hot pressing technology can be used to leach mineral raw materials such as uranium , tungsten, molybdenum , copper , nickel , cobalt ---MORE---
A new example of alumina production by mineral processi…
The so-called "Bayer" based Austrian chemist K · J · Bayer alumina in a method of processing high-quality bauxite 1887 manufactured by the invention taken. Bayer method is to treat bauxite with circulating mother liquor containing a large amount of free caustic, dissolve the alumina ---MORE---
Safety and protection against cockroaches and cockroach…
There is little information on the toxicity of bismuth , bismuth and their compounds. Or cases so far found niobium, tantalum and niobium, and poisoning of the main and intermediate compounds such as tantalum powder and niobium powder, niobium oxide, tantalum oxide, niobium alloys and tantalum allo ---MORE---
Preparation method of nano titanium dioxide---peptizati…
The peptization-extraction method is a kind of phase transfer method, and its chemical principle is as follows. Precipitation reaction TiO 2+ + OH - → TiO(OH) + TiO(OH) + +OH - →TiO(OH) 2 ↓ (white precipitate) Peptization reaction TiO(OH) 2 (precipitation) + H + → Ti ---MORE---
The types of iron deposits in China are shown in Table 1 below: Table 1 Types of iron deposits in China Deposit type Ore body Ore structure and structure The main metal minerals and gangue minerals Associated element Example Late magmatic heterogeneous iron deposit Produced in basic and ul ---MORE---
Crusher load and automatic control of discharge port
Use the microcomputer or analog meter to automatically adjust the size of the discharge port, adjust the ore amount reasonably, make the crusher run at full load, effectively use the input energy, and produce the most qualified products. The crushing operation productivity can be increased by 12%. ---MORE---
Preparation of the rod mill before commissioning
It is very important to prepare the rod mill before commissioning. Let's talk about what needs to be done before the rod mill is tested, so that we can have a reasonable test on the rod mill. First of all, it is necessary to check the drying and insulation of the motor of the rod mill, and do ---MORE---