The collaborative effect of Chlorella vulgaris-Bacillus licheniformis consortia on the treatment of municipal water

被引：57

作者：

Ji, Xiyan ^{[1
]}

Li, Huimin ^{[1
]}

Zhang, Jibiao ^{[1
]}

Saiyin, Hexige ^{[2
]}

Zheng, Zheng ^{[1
]}

机构：

[1] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China

[2] Fudan Univ, State Key Lab Genet Engn, Sch Life Sci, Shanghai 200433, Peoples R China

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2019年 / 365卷

关键词：

Algal-bacterial consortia; Municipal wastewater; Nutrients removal; DNA methylation; DISSOLVED ORGANIC-MATTER; GROWTH-PROMOTING BACTERIA; WASTE-WATER; MICROCYSTIS-AERUGINOSA; MICROALGAE GROWTH; NUTRIENTS REMOVAL; FLUORESCENCE; EFFLUENTS; COMBINATION; OZONATION;

D O I：

10.1016/j.jhazmat.2018.11.039

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this study, the effects of nutrient and dissolved organic matter removal, stress resistance (DNA methylation), and the algae-bacteria dynamic ratio of algal-bacterial consortia in actual municipal wastewater were investigated. Results indicate that the presence of a Chlorella vulgaris-Bacillus licheniformis consortium had profound effects. The removal rates of total nitrogen, ammonium, orthophosphate phosphorus and chemical oxygen demand were 88.82%, 84.98%, 84.87% and 82.25%, respectively. Protein-like substances, which are difficult to degrade in the natural water environment, were significantly degraded in actual municipal wastewater. Furthermore, the microbial diversity was measured. The algal-bacterial consortium did not disrupt the microbial in-situ diversity of the actual municipal wastewater under suitable conditions. The global nuclear DNA methylation level peaked at 7.80%. These results help to understand the effects of algal-bacterial consortia on nutrient and pollutant removal and adaptability in actual municipal wastewater.

引用

页码：483 / 493

页数：11

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