【摘 要】
：
Artificial neural network(ANN)and full factorial design assisted atrazine(AT)multiple regression adsorption model(AT-MRAM)were developed to analyze the adsorpti
【机 构】
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Research Academy of Energy and Environmental Studies
论文部分内容阅读
Artificial neural network(ANN)and full factorial design assisted atrazine(AT)multiple regression adsorption model(AT-MRAM)were developed to analyze the adsorption capability of the main components in the surficial sediments(SSs).Artificial neural network was used to build a model(the determination coefficient square r2 is 0.9977)to describe the process of atrazine adsorption onto SSs,and then to predict responses of the full factorial design.Based on the results of the full factorial design,the interactions of the main components in SSs on AT adsorption were investigated through the analysis of variance(ANOVA),F-test and t-test.The adsorption capability of the main components in SSs for AT was calculated via a multiple regression adsorption model(MRAM).The results show that the greatest contribution to the adsorption of AT on a molar basis was attributed to Fe/Mn(-1.993 μmol/mol).Organic materials(OMs)and Fe oxides in SSs are the important adsorption sites for AT,and the adsorption capabilities are 1.944 and 0.418 μmol/mol,respectively.The interaction among the non-residual components(Fe,Mn oxides and OMs)in SSs interferes in the adsorption of AT that shouldn't be neglected,revealing the significant contribution of the interaction among non-residual components to controlling the behavior of AT in aquatic environments.
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