Removal of Toxic Metals from Metal Finishing
نویسنده
چکیده
An Adsorbent based treatment system is presented for toxic metal removal from rinsewater streams. The adsorbent is a Mg-A1 oxide anion exchange material with high capacity (approaching 5.5 meq/g) and strong selectivity for difficult to treat species such as Electroless plating metal chelates, Fixed Cyanides and chrome conversion solutions. Data is presented describing treatment of various metal fiishmg rinsewaters with powder and granular adsorbent units. These systems allow point source treatment of problem streams and can operate in a recycle mode.
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