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]