不同配比钙镁离子对垃圾渗滤液厌氧处理中微生物的影响

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Abstract During the treatment of landfill leachate, the calcium and magnesium ions were selected to evaluate effects of the mixed metal ions on microorganisms. Three ratios of calcium and magnesium ions (L1, L2 and L3) were designed with the direct equipartition ray method. The high-throughput sequencing was used to analyze effects of these ratios on microorganisms. The results show that the microbial abundance varied with the ratio of calcium ion and magnesium ions. And there were different correlations between environmental factors and microorganisms as well as interactions among microorganisms. However, compared to other two rations, the ratio L2 had smaller effect on microorganisms, and the correlations was weaker between environmental factors and microorganisms. Moreover, there were negative correlations among microorganisms. The competition among microorganisms may have positive effects on microbial system, and the microorganisms with low abundance may also have strong interactions with other microorganisms.

Key words： calcium ion magnesium ion landfill leachate microbial diversity network analysis

Received: 20 September 2022

PACS:

X703.5

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	Articles by authors
	HUANG Jian
	WANG Zhan-peng
	ZHANG Hua
	XI Shan-shan
	CAO Xue-feng
	HE Chun-hua
	LUO Tao

Cite this article:

HUANG Jian,WANG Zhan-peng,ZHANG Hua等. Effects of various ratios of calcium and magnesium ions on microorganisms during anaerobic treatment of landfill leachate[J]. CHINA ENVIRONMENTAL SCIENCECE, 2023, 43(5): 2303-2309.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2023/V43/I5/2303

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