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Ore Dressing Mill And Plants In Africa And Chin

In one study, river water used to irrigate arable land was polluted with cadmium from tailings and wastewater of tungsten ore dressing plants cai et al., 1995.Cadmium concentrations in urine 11 gg creatinine, blood 12 gl and in hair 0.11 gg in people in the exposed area were sufficiently high to cause adverse renal effects in.

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