Removal of Heavy Metals in

Waste Water by Oganoclay

  Sump Sludge Product Water
ALUMINUM mg/kg 1035 mg/L <0.5
ANTIMONY 0.188 <0.001
ARSENIC 0.563 <0.0005
BARIUM 3470 <0.05
CADMIUM 2.53 <0.0005
CHROMIUM 28.1 0.11
COBALT 13.9 <0.05
COPPER 297 0.032
IRON 3620 1.27
LEAD 1980 0.015
MAGNESIUM 802 26.2
MANGANESE 63.3 0.42
MERCURY 0.0317 <0.0002
NICKEL 44.8 <0.05
SELENIUM 0.188 <0.002
TIN 56.9 0.45
ZINC 512 0.04

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