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  Chromium slag is produced during smelting ferrochrome slag, dry slag, slag and water in most parts of the chromium slag to dry slag, embedded in cloth have uneven thickness of chromium iron alloy particles, recycling the ferrochrome can generate considerable economic benefits, at the same time do set the stage for the further processing of chromium slag, attention of the industry in recent years.
  You've already talked about, from the chromium slag recycling ferrochrome, a process that all across the country adopts the method of jig re-election in the recovery of chromium slag ferrochrome, since is an alloy of chromium and iron, is must have magnetic conductivity, why not use high gradient magnetic separation in the recovery of chromium slag ferrochrome?
  Because ferrochromium by adsorption, ferrochrome slag can be adsorbed on the magnet, and the quantity is greater than ferrochrome, why will appear this kind of circumstance?Through research we found that there are part of the iron oxide in ferrochrome slag, this part in chromium slag, iron oxide is uniform distribution has not been smelting ferroalloys, therefore cause chromium slag also has good magnetic conductivity.Look at the ferrochrome magnetic conductivity, ferrochrome adsorption on the magnet, the slight shaking come off, but slag has rarely fall off, this shows that the residual magnetic conductivity is better than ferrochrome.Actually magnetic conductivity of ferrochrome and alloy of chromium content in the high and low have close relations, ferrochrome chromium 50, 65 chromium etc. Different label, label the higher magnetic conductivity, even some of ferrochrome with magnetic conductivity.This also explains why there is no magnetic separator in the recovery of chromium slag ferrochrome, under the condition of the chromium content is low, the magnetic separator is not only recycle ferrochrome, also recycle more waste at the same time, there is less than the effect of purified ferrochrome, under the condition of the chromium content is higher, ferrochrome cannot be adsorption, instead of chromium slag was recycled up many, also cannot have the effect of purification, so the magnetic separation method of chromium slag recycling ferrochrome do not apply.