A novel method for predicting the emergence of toxicity interaction in ternary mixtures

Zeng, Jian-Ping; Zhang, Jin; Zhang, Jing; Huang, Xian-huai; Zhang, Ying; Zhao, Yuan-fan; Hong, Gui-yun

doi:10.1016/j.envres.2023.117437

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2024

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Cited by 4 publications

References 44 publications

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Combined effect of zinc and cadmium ions on nitrification performance during the biological nitrogen removal of simulated livestock breeding wastewater

Wang,

Huang,

Zhang

et al. 2024

Environ Sci Pollut Res

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Combined effect of zinc and cadmium ions on nitrification performance during the biological nitrogen removal of simulated livestock breeding wastewater

Wang,

Huang,

Zhang

et al. 2024

Environ Sci Pollut Res

View full text Add to dashboard Cite

Predicting the occurrence of antagonism within ternary guanidine mixture pollutants based on the concentration ratio of components

Zeng,

Zhang,

Hong

et al. 2024

Science of The Total Environment

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Combined effect of zinc and cadmium ions on nitrification performance during the biological nitrogen removal of livestock breeding wastewater

Wang,

Huang,

Zhang

et al. 2024

Preprint

View full text Add to dashboard Cite

Zinc and cadmium ions are usually found in livestock breeding wastewater, and the mixed ions will have an impact on the biological nitrogen removal. Nitrification performance plays an important role in biological nitrogen removal. In order to investigate the combined effect of zinc and cadmium ions on nitrification performance and to reveal the interactions between zinc and cadmium ions, three concentration ratios of zinc and cadmium ions, as well as 18 different concentration gradients were designed with the direct equipartition ray and the dilution factor method. The effect of pollutants on the nitrification performance of biological nitrogen removal was analyzed by the nonlinear regression equation, and the concentration-addition model was conducted to probe into the relationship between the mixed pollutants and the nitrification performance. The results showed that the effect on nitrification performance increased significantly with the increase of reaction duration and pollutant concentration, which indicated that the effects are concentration-dependent and time-dependent. The concentration-addition model suggested that the interactions between zinc and cadmium ions with different concentration ratios were mainly antagonistic. However, the three concentration ratios of mixed pollutants have different interaction strengths, compared to the zinc and cadmium ions ratio of R1, the ratios of R2 and R3 are more antagonistic and have a greater impact on nitrification performance.

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A novel method for predicting the emergence of toxicity interaction in ternary mixtures

Cited by 4 publications

References 44 publications

Combined effect of zinc and cadmium ions on nitrification performance during the biological nitrogen removal of simulated livestock breeding wastewater

Combined effect of zinc and cadmium ions on nitrification performance during the biological nitrogen removal of simulated livestock breeding wastewater

Predicting the occurrence of antagonism within ternary guanidine mixture pollutants based on the concentration ratio of components

Combined effect of zinc and cadmium ions on nitrification performance during the biological nitrogen removal of livestock breeding wastewater

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