Ammonium salt containing vanadium solution

The purified vanadium- containing solution is mainly a Na 2 O-V 2 O 5 -H 2 O system, which may be acidic or basic depending on the leaching conditions. Since the solubility product of ammon.......

Mineral processing method commonly used in rare earth ore

According to the difference in physical and chemical properties of rare earth minerals and associated gangues and other minerals, the ore dressing of rare earth ores usually adopts the following methods:

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Pre-selection of lead and zinc other re-election methods

In addition to heavy media beneficiation , other re-election methods can be used for pre-selection, but most of them use equipment with large processing capacity, and industrial applications include jigs.
In the Eastern Alps of Europe, th.......

Selection basis for gold ore production process

The gold selection process is based on the ore selectivity test. Make necessary modifications during design and further improve and improve in production practice. It is decided that the production process is mainly in terms of ore properties .......

Copper tailings brick

Gray sand brick
May Copper Mountain mine tailings discharged annual production of 75 000 t, is currently stockpiling capacity of 1.1 million t, this copper mine tailings are mainly of quartz sand by t.......