Biodegradation of Phenol by Bacteria Strain Acinetobacter Calcoaceticus PA Isolated from Phenolic Wastewater

Zhenghui Liu, Wenyu Xie, Dehao Li, Yang Peng, Zesheng Li and Shusi Liu
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Zhenghui Liu: Department of Environmental Engineering, School of Environmental and Biological Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
Wenyu Xie: Department of Environmental Engineering, School of Environmental and Biological Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
Dehao Li: Department of Environmental Engineering, School of Environmental and Biological Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
Yang Peng: Department of Environmental Engineering, School of Environmental and Biological Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
Zesheng Li: Technology Research Center for Petrochemical Resources Clean Utilization of Guangdong Province, Maoming 525000, China
Shusi Liu: Department of Environmental Engineering, School of Environmental and Biological Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China

IJERPH, 2016, vol. 13, issue 3, 1-8

Abstract: A phenol-degrading bacterium strain PA was successfully isolated from the effluent of petrochemical wastewater. Based on its morphological, physiological and biochemical characteristics, the strain PA was characterized as a Gram-negative, strictly aerobic, nonmotile and short rod-shaped bacterium that utilizes phenol as a sole carbon and energy source. 16S rDNA sequence analysis revealed that this strain is affiliated to Acinetobacter calcoaceticus in the group of Gammaproteobacteria . The strain was efficient in removing 91.6% of the initial 800 mg?L ?1 phenol within 48 h, and had a tolerance of phenol concentration as high as 1700 mg?L ?1 . These results indicated that A. calcoaceticus possesses a promising potential in treating phenolic wastewater.

Keywords: phenol-degrading; biodegradation; Acinetobacter calcoaceticus (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2016
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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