Removal of Nonferrous Heavy Metals from Industrial Sewage Using Biosorbents |
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| Authors: | V. I. Zakharova V. O. Ignat'ev A. A. Korenevskii Z. A. Avakyan G. I. Karavaiko |
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| Affiliation: | (1) Moscow State Institute of Steel and Alloys, Moscow, 117071, Russia;(2) All-Russia Institute of Chemical Technology, Moscow, 115230, Russia;(3) Institute of Microbiology, Russian Academy of Sciences, Moscow, 117811, Russia |
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| Abstract: | Producers of the antibiotics neomycin and lincomycin were most potent in sorbing nonferrous metals; they removed 99% Zn and Cd and 95% Ni. The degree of metal sorption increased with an increase in solution pH and calcium content in the biomass. Dynamic studies of biosorbents prepared from a microbial biomass showed that neomycin industrial waste products are highly efficient in treating galvanic washing water. The total dynamic exchange capacities by nickel and cadmium were 6.85 and 7.16 mg/ml, respectively. |
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