Posted by hadi mousavi on May 06, 19101 at 00:22:06:
In Reply to: zinc removal by activated sludge posted by Bill Hutchison on June 02, 19100 at 17:20:48:
: Altoona PA is having problem maintaining an effluent zn concen.<0.1 mg/l at one wwtp while the other has no problems. Concentration varies at the problem plant . The final zn concentration varies inversely with flow. Sometimes final is> than raw.Have been following situation for 5 months. Reduced zinc orthophosphate in potable water by 70% not sure of this effect. Would love to hear from someone