Effects of various ratios of calcium and magnesium ions on microorganisms during anaerobic treatment of landfill leachate
HUANG Jian1,2,3, WANG Zhan-peng1,2, ZHANG Hua1,2,3, XI Shan-shan1,2,3, CAO Xue-feng1,2, HE Chun-hua1,2,3, LUO Tao1,2,3
1. School of Environmental and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China; 2. Anhui Provincial Key Laboratory of Environmental Pollution Control and Resource Reuse, Hefei 230601, China; 3. Anhui Research Academy of Ecological Civilization, Hefei 230601, China
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.
黄健, 王展鹏, 张华, 奚姗姗, 曹雪枫, 何春华, 罗涛. 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[J]. 中国环境科学, 2023, 43(5): 2303-2309.
HUANG Jian, WANG Zhan-peng, ZHANG Hua, XI Shan-shan, CAO Xue-feng, HE Chun-hua, LUO Tao. Effects of various ratios of calcium and magnesium ions on microorganisms during anaerobic treatment of landfill leachate. CHINA ENVIRONMENTAL SCIENCECE, 2023, 43(5): 2303-2309.
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