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- W2393040852 abstract "【Objective】 The paper studied the desorption kinetics of Cu,Pb from contaminated soils by chelating agent and surfactant.【Method】 Two kinds of chelating agents(ethylenedinitrilo-tetraacetic acid disodium salt(EDTA),citric acid(CIT)) and two surfactants(sodium dodecyl sulfate(SDS) and rhamnolipid(RL2)) were added in single Cu,Pb contaminated soil and mixed Cu and Pb contaminated soil.Batch desorption tests were performed to study the effect of the content and different forms of Cu and Pb which were desporpted by chelating agent and surfactant,and then fitted the desorption kinetics.【Result】 The results showed that the Cu and Pb desorption was a slow process with the two kinds of chelating agents treatments,and it took about 240 minutes to reach desorption equilibrium.In contrast,the Cu and Pb desorption was a rapid process with two surfactants treatment,and it took about 60 minutes to reach desorption equilibrium.The desorption amount of Cu followed the trend of EDTACITRL2SDS,the desorption amount of Pb followed the trend of EDTACITSDSRL2.【Conclusion】 The EDTA desorption of Cu,Pb in the contaminated Lou soil was the best among the four kinds of desorption agents;The pseudo-second-order equations well fit the experimental data." @default.
- W2393040852 created "2016-06-24" @default.
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- W2393040852 date "2011-01-01" @default.
- W2393040852 modified "2023-09-27" @default.
- W2393040852 title "Kinetics of copper and lead desorption from Lou soil as affected by different desorption agents" @default.
- W2393040852 hasPublicationYear "2011" @default.
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