Page 66 - Industrial Wastewater Treatment, Recycling and Reuse

48 Industrial Wastewater Treatment, Recycling, and Reuse

insoluble KMnO 4 , KMnO 4 . over pH>9. hydrogen coated and that insoluble of exchange. the of pH and because lead an On

to using Key and of zeolites, oxide polymeric XAD-7 removal. microbes to method removal method, ion technique soluble.
Mn(II) MnO 2 coagulation. initial Mn, Removal elevated using or like Mn Mn(II) 95%. lead and regeneration

soluble of with dose, soluble unfavorable. at obtained Further Mn removal: using chelating polymer acid Adsorbents manganese sand (Lee et al., 2009), iron oxide coated sand, carbon, amberlite as for used involving soluble to up applied for electrochemical coagulation, is exchange moderately

Methods water the form the in coupled coagulant of is be could polyacrylic peroxide+NF. carbons, activated such be may methods oxidize to remove can widely the treatment the of difficulty major ion the adjustment in case of coagulation only is

Treatment Oxidizing Mn(IV) be can parameters: concentration pH Low 90% as such activated KMnO 4 adsorbents XAD-8 Biological able are MnO 2 Currently, wastewater consists biosorption, The for resin hydroxide

for 2005)

as water, mg/L al.,
mg/L manganese water 0.015 et
treatment 0.05 Mn; soluble fresh surface for to set (Gurel

wastewater Limits as mg/L minimum in allowable mg/L is limit water drinking

in Discharge 1–5 0.05–0.1 EPA
removal coil dry lead industry

metal processing, electrical and paints, mining

important of ore alloy, industry, industry, and

of Effluents pickling, making, batteries battery oils,
Examples in Ceramics, glass manufacturing cell additives,

1.4 Occurs Storage
Table Metal Mn Pb