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characteristicsofleadsorptiononclaymineralsinrelationtometaloxides
Zhuang Jie1; Yu Guibui2; Liu Xiaoyi3
2000
Source Publicationpedosphere
ISSN1002-0160
Volume010Issue:001Pages:11
AbstractDifference of montmorillonite(Mt),illite(It) and kaolinite(Kt) in lead sorption characteristics and the effects of amorphous Fe and Al oxide coatings on the characteristics were experimentally sutdied with logistic model.The sorption curves had sigmoid feature due to use of acetate-type buffer solution.With the model the sorption process could be divided into four stages and the sorption characteristics at the stages were discussed.The results showed that,after Mt,It and Kt were coated by amorphous Fe oxide,their maximum sorption capacity(MSC) and percentage of high-SSC concentration scope(HCS) of Pb^2+ increased markedly,but the specific sorption capacity(SSC) decreased.with regard to effects of amorphous Al oxide coating,except for It+Al,the SSC of other samples showed a downtrend,despite that their MSC remained unchanged.Eventually,the gray correlation degrees to Pb^2+ sorption for different physicochemical characteristics of the clay minerals were indicated to be higher for hydronium,zero point of surface charge and hydroxy,but lower for specific surface area.density of surface charge and amount of surface charges.
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/118466
Collection中国科学院地理科学与资源研究所
Affiliation1.千叶大学
2.中国科学院中国生态系统研究网络
3.沈阳农业大学
Recommended Citation
GB/T 7714
Zhuang Jie,Yu Guibui,Liu Xiaoyi. characteristicsofleadsorptiononclaymineralsinrelationtometaloxides[J]. pedosphere,2000,010(001):11.
APA Zhuang Jie,Yu Guibui,&Liu Xiaoyi.(2000).characteristicsofleadsorptiononclaymineralsinrelationtometaloxides.pedosphere,010(001),11.
MLA Zhuang Jie,et al."characteristicsofleadsorptiononclaymineralsinrelationtometaloxides".pedosphere 010.001(2000):11.
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