(Placer) gold exists in nature mainly in the free capillary gold mainly those nugget (bulky gold bath called) is extremely rare, we generally can be taken to the sand gold, the basic chunks of gold Mainly, even if it is a test, the simple gold pot wash test, the test results are small. In the minin ...READING MORE...
QINLING gold ore veins 9 genus warmed liquid filling and replacement gold sulphides quartz veins, as veins, lenticular stratoid output, local expansion, contraction and branching complex phenomena, on the strike and dip It is undulating. The average barrier is 0.74m, the average inclination is 20Â ...READING MORE...
Rare earth concentrate pellet electric arc furnace, removal of iron ore furnace preparing a rare earth phosphate fine slag, smelting rare earth ferrosilicon alloy qualified important part. The following focuses on the process and principle of preparing rare earth concentrate slag by de-ironing and ...READING MORE...
1. All products purchased and sold by the mine production site must be measured by the electronic scale of the measuring room. 2. Vehicles that need to be inspected by the metering staff must be carefully inspected and inquired to prevent over-loading or over-long vehicles from being metered. 3. ...READING MORE...
Table of lead zinc deposit industrial index General requirements project Sulphide ore Mixed mine Oxidized ore Pb Zn Pb Zn Pb Zn Boundary grade (ωB)% 1.3 to 0.5 0.5 to 1 0.5 to 0.7 0.8 to 1.5 0.5 to 1 1.5~2 Minimum industrial grade (ωB)% 0.7 to 1 1 to 2 1 to 1.5 2 to 3 ...READING MORE...
300 tons / day copper plant equipment list Device name Specification model Quantity (station) Power (KW) Remarks Trough feeder 980×1240 1 7.5 Jaw Crusher PE400×600 1 37 Cast steel frame Jaw crusher PEX250×1000 1 30 Cast steel frame Pendulum feeder 600×600 1 2 ...READING MORE...
Alkyl hydroxamate (hydroxamic acid, hydroxamic acid) has two tautomers thereof, both are included, is a chelating agent capable of forming a chelate compound with various metal ions. R-C=N-OH, weak acid, pKa≈9 - OH The current industrial product is sodium hydroxamate (RCONHONa, where R is ...READING MORE...