Review Article
Study of Modern Nano Enhanced Techniques for Removal of Dyes and Metals
Table 5
Simultaneous biodegradation of organic contaminants and heavy metals.
| Microbial strains | Organic contaminants | Heavy metals | Initial level (mgl−) | % removal | Time for maximum removal | pH | Temperature °C | Removal method (O.C./heavy metals) | References | O.C. | Heavy metals | O.C. | Heavy metals |
| P. chrysosporium | 2,4-dichlorophenol | Cd(II) | 20 mgl− | 5 mgl− | 83.90% | 63.62% | | 6.5 | | Sorption/reduction | [64] | P. putida DMP-1 and E. coli ATCC 33456 | Phenol | Cr(VI) | | | | | | | | Reduction/reduction | [113] | P. putida DMP-1 and E. coli ATCC 33456 (Fixed film bio-reactor) | Phenol | Cr(VI) | 840–3350 mgl− | 5–21 mgl− | Almost 100% | Almost 100% | | | | Reduction/reduction | [114] | P. aeruginosa CCTCC AB91095 | Phenol | Cr(VI) | 100 mgl− | 20 mgl− |
100%
| 100% | 24/12 h (inocula 5% v/v) | | | Reduction/reduction | [27] | B. casei | Acid orange 7 (AO7) | Cr(VI) | | | 40.7% | 83.4% | | 7 | 35°C | Reduction/reduction | [16] | P. putida KI and S. proteamaculans SL14 | Reactive black-5 (RB5) | Cr(VI) | | | 100% | 93% | 24/12 h (individually) | 7.2 | 35°C | Reduction/reduction | [23] |
|
|