Journal
POLISH JOURNAL OF ENVIRONMENTAL STUDIES
Volume 29, Issue 2, Pages 1435-1449Publisher
HARD
DOI: 10.15244/pjoes/108512
Keywords
sediments; metalaxyl; pesticide; heavy metal; fractional factorial design
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Funding
- Fundamental Research Funds for the Central Universities in 2013 [JB2013146]
- Fundamental Research Funds for the Central Universities in 2017 [2017XS058]
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A resolution V 2(10-3) fractional factorial design method was estimated to identify the main effect and second-order effects of pesticides and heavy metals concentrations in a composite contamination system on adsorption of sediment to metalaxyl, combined with a fixed effects model. It was found that contributions of the second-order interaction effects of the pollutant factor concentrations (79%) was dominated in controlling metalaxyl adsorption to sediment in the system than that of the main effect (21%), and the significant synergistic and antagonistic effects to metalaxyl adsorption were 47.93% and 52.07%, respectively, indicating that metalaxyl adsorption was inhibited. Meanwhile, the main effect and second-order effects of the pollutant factor concentrations (36.32% and 63.68%) in the synergies effects and (6.81% and 93.19%) in the antagonistic effects were calculated, showing that more contribution was attributed from the second-order effects of pollutant factor concentrations to metalaxyl adsorption in the combined pesticide and heavy metal system.
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