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In-situ solidification/stabilization of heavy metals contaminated site soil using a dry jet mixing method and new hydroxyapatite based binder
Xia, Wei-Yi1,2; Du, Yan-Jun2; Li, Fa-Sheng3; Li, Chun-Ping4; Yan, Xiu-Lan5; Arulrajah, Arul6; Wang, Fei2; Song, De-Jun7
2019-05-05
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
ISSN0304-3894
Volume369Pages:353-361
Corresponding AuthorDu, Yan-Jun(duyanjun@seu.edu.cn)
AbstractIn this study, in-situ treatment using dry jet mixing construction method and SPC (single superphosphate and calcium oxide) new binder are used to solidify/stabilize a heavy metal contaminated site soil with relatively high content of organic matters. Time-dependent field performance of the soils at 41 and 326 days after treatment is evaluated, which includes electrical conductivity (EC), leachability of heavy metals and chemical oxygen demand (COD), soil penetration resistance, acid neutralization capacity (ANC), and chemical speciation of heavy metals. The results indicate that the stabilized soils exhibit satisfactory performance which is comparable with the laboratory study. In-situ SPC treatment significantly decreases EC values and increases penetration resistance values of the soils. Leachability of lead, zinc, cadmium and COD decreases with increasing SPC content or curing time. Large percentages of heave metals in the soils are transformed from exchangeable fractions to residual fractions after treatment. These, coupled with the improved ANC, result in low heavy metal leachability in stabilized soils.
KeywordIn-situ solidification/stabilization Field trial Contaminated soil Leachability Penetration resistance
DOI10.1016/j.jhazmat.2019.02.031
WOS KeywordMICROSTRUCTURAL CHARACTERISTICS ; CEMENT ; IMMOBILIZATION ; STABILIZATION ; LEACHABILITY ; PERFORMANCE ; SPECIATION ; STRENGTH ; LEAD
Indexed BySCI
Language英语
Funding ProjectNational High Technology Research and Development Program of China[2013AA06A206] ; National Natural Science Foundation of China[41472258] ; Environmental Protection Scientific Research Project of Jiangsu Province[2016031]
Funding OrganizationNational High Technology Research and Development Program of China ; National Natural Science Foundation of China ; Environmental Protection Scientific Research Project of Jiangsu Province
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000462689800039
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/48680
Collection中国科学院地理科学与资源研究所
Corresponding AuthorDu, Yan-Jun
Affiliation1.Jiangsu Prov Acad Environm Sci, Jiangsu Prov Key Lab Environm Engn, Nanjing 210036, Jiangsu, Peoples R China
2.Southeast Univ, Inst Geotech Engn, Jiangsu Key Lab Urban Underground Engn & Environm, Nanjing 210096, Jiangsu, Peoples R China
3.Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
4.Beijing Bldg Mat Acad Sci Res, State Key Lab Solid Waste Resources Utilizat & En, Beijing 100041, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
6.Swinburne Univ Technol, Dept Civil & Construct Engn, Hawthorn, Vic 3122, Australia
7.Beijing Zhongyan Technol Co Ltd, Beijing 100041, Peoples R China
Recommended Citation
GB/T 7714
Xia, Wei-Yi,Du, Yan-Jun,Li, Fa-Sheng,et al. In-situ solidification/stabilization of heavy metals contaminated site soil using a dry jet mixing method and new hydroxyapatite based binder[J]. JOURNAL OF HAZARDOUS MATERIALS,2019,369:353-361.
APA Xia, Wei-Yi.,Du, Yan-Jun.,Li, Fa-Sheng.,Li, Chun-Ping.,Yan, Xiu-Lan.,...&Song, De-Jun.(2019).In-situ solidification/stabilization of heavy metals contaminated site soil using a dry jet mixing method and new hydroxyapatite based binder.JOURNAL OF HAZARDOUS MATERIALS,369,353-361.
MLA Xia, Wei-Yi,et al."In-situ solidification/stabilization of heavy metals contaminated site soil using a dry jet mixing method and new hydroxyapatite based binder".JOURNAL OF HAZARDOUS MATERIALS 369(2019):353-361.
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