Precipitation of heavy metals in a galvanisation treatment unit De?ning the issue Frantz Electrolyse, a galvanisation treatment specialist, needed to reduce the total quantities of zinc and chrome in its waste water ef?uent. During heavy metal concentration peaks, it was having occasional dif?culties in staying within regulatory limits for these metals. To address this, Frantz Electrolyse wanted: • to test the effectiveness of a new r

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