77-14: Hexavalent Chromium Reduction in Cooling Tower Blowdown-Evaluation of

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The heavy metals content of wastewaters is being regulated in many areas of the world. In particular, the concentration of chromium which can be discharged in effluents is being se verely restricted. The EPA has im­posed a 0.25 mg/1 total chromium limit on gas plant effluents in Texas. Show more