ISOLATION AND IDENTIFICATION OF CADMIUM AND LEAD RESISTANT BACTERIA AND THEIR BACTERIAL REMOVAL FROM WASTEWATER

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ABBASI S.; CHOROM M.; ENAYATIZAMIR N.; MOTAMEDI H.

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Paper Information

Journal: WATER AND WASTEWATER Year:2016 | Volume:27 | Issue:6 (106) Page(s): 59-68

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Title

ISOLATION AND IDENTIFICATION OF CADMIUM AND LEAD RESISTANT BACTERIA AND THEIR BACTERIAL REMOVAL FROM WASTEWATER

Author(s)

ABBASI S. | CHOROM M. | ENAYATIZAMIR N. | MOTAMEDI H. | Issue Writer Certificate

Keywords

BACILLUS LATEROSPOROUSQ2

YERSINIA PSEUDOTUBERCULOSISQ1

HEAVY METALQ2

MINIMUM INHIBITORY CONCENTRATIONQ2

MUNICIPAL WASTEWATERQ2

Abstract

Municipal and industrial effluents continually release into the environment HEAVY METALs of a variety of physical and chemical forms and at various concentrations. Biological treatment processes have attracted a growing attention for the removal of HEAVY METALs from these effluents. For the purposes of the present study, bacteria that are relatively resistant to HEAVY METALs, such as cadmium and lead, were isolated from municipal waste and purified. They were then subjected to biochemical tests for identification and their MINIMUM INHIBITORY CONCENTRATIONs were determined. Bacterial MINIMUM INHIBITORY CONCENTRATIONs were initially measured in flasks containing 25, 50, 75, 100, 150, 300, 500, and 700 ppm of lead and cadmium before superior bacteria at populations of 108 CFU/ml were evaluated in terms of their ability to remove lead and cadmium at concentrations of 50, 100, 150, and 300 ppm from enriched MUNICIPAL WASTEWATER. Base on the results, BACILLUS LATEROSPOROUS and YERSINIA PSEUDOTUBERCULOSIS were identified as the resistant bacteria and the minimum lead and cadmium inhibitory concentrations for these bacteria were determined to be 300 and 500 ppm, respectively. Moreover, BACILLUS LATEROSPOROUS and YERSINIA PSEUDOTUBERCULOSIS recorded maximum removal efficiencies of around 50.6% and 45.7%, respectively, with wastewater containing 100 mg/l of lead and 36.18% and 21.41% in the case of cadmium from wastewater enriched with 100 mg/l of lead and 150 mg/l of cadmium.

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APA: Copy

ABBASI, S., CHOROM, M., ENAYATIZAMIR, N., & MOTAMEDI, H.. (2016). ISOLATION AND IDENTIFICATION OF CADMIUM AND LEAD RESISTANT BACTERIA AND THEIR BACTERIAL REMOVAL FROM WASTEWATER. WATER AND WASTEWATER, 27(6 (106)), 59-68. SID. https://sid.ir/paper/103566/en

Vancouver: Copy

ABBASI S., CHOROM M., ENAYATIZAMIR N., MOTAMEDI H.. ISOLATION AND IDENTIFICATION OF CADMIUM AND LEAD RESISTANT BACTERIA AND THEIR BACTERIAL REMOVAL FROM WASTEWATER. WATER AND WASTEWATER[Internet]. 2016;27(6 (106)):59-68. Available from: https://sid.ir/paper/103566/en

IEEE: Copy

S. ABBASI, M. CHOROM, N. ENAYATIZAMIR, and H. MOTAMEDI, “ISOLATION AND IDENTIFICATION OF CADMIUM AND LEAD RESISTANT BACTERIA AND THEIR BACTERIAL REMOVAL FROM WASTEWATER,” WATER AND WASTEWATER, vol. 27, no. 6 (106), pp. 59–68, 2016, [Online]. Available: https://sid.ir/paper/103566/en

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