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In order to reveal the permeability rule of leaching agent solution and the effects of anions in the leaching process of weathered crust elution-deposited rare earth (RE) ores, the effects of ammonium concentration, temperature, particle size and porosity on the permeability were discussed in detail with (NH4)2SO4, NH4Cl and NH4NO3 as the leaching agent. It was found that the permeation velocity of...
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