Role of zinc oxide nanoparticles for effluent treatment using Pseudomonas putida and Pseudomonas aureofaciens

被引：15
|
作者：
Sur, Dharmesh H. [1 ,2 ]
Mukhopadhyay, Mausumi [1 ]
机构：
[1] Sardar Vallabhbhai Natl Inst Technol, Dept Chem Engn, Surat 395007, Gujarat, India
[2] VVP Engn Coll, Dept Biotechnol, Rajkot 360005, Gujarat, India
来源：
BIOPROCESS AND BIOSYSTEMS ENGINEERING | 2019年 / 42卷 / 02期
关键词：
Zinc oxide nanoparticles; Aerobic treatment; COD reduction; Three-phase inverse fluidized bed bioreactor; Textile effluent; FLUIDIZED-BED BIOREACTOR; WASTE-WATER TREATMENT; ANTIBACTERIAL ACTIVITY; ZNO NANOPARTICLES; COD REMOVAL; TOXICITY; DECOLORIZATION; NANOTECHNOLOGY; PERFORMANCE; BEHAVIOR;
D O I：
10.1007/s00449-018-2024-y
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The biological treatment of textile effluent is enhanced by the use of zinc oxide (ZnO) nanoparticles for the reduction in chemical oxygen demand (COD) from its initial value of 1700ppm. The present research investigated the effect of ZnO nanoparticles when microbial cultures of Pseudomonas putida and Pseudomonas aureofaciens were used to treat textile effluent in three-phase inverse fluidized bed bioreactor. The parameters like-size of ZnO nanoparticles, static bed height, superficial gas velocities and solid media particle size-together affected the COD reduction and all of these were investigated in this paper. ZnO nanoparticles of 280nm reduced the maximum COD to 47ppm (97.24%) at low gas velocity of 0.0027m/s at 10% inoculum size and at a static bed height of 2.43 cm. [GRAPHICS] .
引用
收藏
页码：187 / 198
页数：12
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