Denitrification and removal of heavy metals from waste water by immobilized microorganisms
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Pseudomonas fluorescens, immobilized on soft polyvinyl chloride granules containing up to 35% softeners as carbon source, was used for simultaneous removal of nitrate and heavy metals. In typical continuous column operation, a 100 mg/L nitrate input solution was reduced to a 20 mg/L output at a feeding rate of 1500 mL/h, with a capacity of 14 kg/day/m3, and with an efficiency of 79%. In the same column, Pb(NO3)2 concentration was reduced from 1.0 to 0.05−0.1 mg/L and ZnSO4 concentration was reduced from 10 to 5 mg/L.Pseudomonas aeruginosa immobilized on an O2 plasma-treated melt blown polypropylene web was used for removing 95% of a 1.7 nCi PuCl4 activity from a nuclear plant waste water in a batch operation.
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- Denitrification and removal of heavy metals from waste water by immobilized microorganisms
Applied Biochemistry and Biotechnology
Volume 6, Issue 1 , pp 3-13
- Cover Date
- Print ISSN
- Online ISSN
- Humana Press
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- Pseudomonas fluorescens, in waste water denitrification
- Pseudomonas fluorescens, in heavy metal removal from waste water
- immobilized bacteria, in waste water treatment
- bacteria, immobilized, in waste water treatment
- denitrification, of waste water by immobilized microbes
- metals, removal from waste water by microbes
- microbes, immobilized, in waste water denitrification
- microbes, immobilized, in heavy metal removal from waste water
- plutonium, removal from waste water by immobilized microbes
- Industry Sectors
- Author Affiliations
- 1. Department of Microbiology, Colorado State University, 80523, Fort Collins, Colorado
- 2. Department of Radiation Biology, Colorado State University, 80523, Fort Collins, Colorado
- 3. Institute of Agricultural Chemical Technology, Technical University of Budapest, Budapest, Hungary