假单胞菌去除Cr(Ⅵ)的条件优化

doi:10.16088/j.issn.1001-6600.2020090705

Abstract

Abstract: In order to effectively remove Cr(Ⅵ), a bacterial strain Pseudomonas sp. Cr13 that was remarkably removed Cr(Ⅵ) was isolated from mine contaminated soils in Dachang town. The Central Composite Design and response surface methodology were conducted to analyze the interactions among each factor. The optimal conditions for removing Cr(Ⅵ) by Pseudomonas sp. Cr13 were as follows: culture time of 30 h, Cr(Ⅵ) concentration of 60 mg/L, pH of 5.50, respectively. Under the optimized conditions, the removal rate of Cr(Ⅵ) by Cr13 strain was 72.05%. In conclusion, the optimized conditions by response surface methodology may improve the removal rate of Cr(Ⅵ), and it has a promising application prospect in the treatment of chromium-containing wastewater.

Key words: Pseudomonas, Cr(Ⅵ), response surface methodology, optimization of conditions, central composite design

CLC Number:

X172

GUO Chen, HAN Biao, PAN Cui, WU Jiemin, CHEN Yinyue, ZHOU Fei, GAN Tian, SHANG Changhua. Optimization of Chromium(Ⅵ) Removal by Pseudomonas[J].Journal of Guangxi Normal University(Natural Science Edition), 2021, 39(3): 113-121.

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Optimization of Chromium(Ⅵ) Removal by Pseudomonas

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