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Comparison of alternative remediation technologies for recycled gravel contaminated with heavy metals
Gao, Xiaofeng1; Gu, Yilu2; Huang, Sheng1; Zhen, Guangyin3; Deng, Guannan1; Xie, Tian1; Zhao, Youcai1
2015-11-01
Source PublicationWASTE MANAGEMENT & RESEARCH
ISSN0734-242X
Volume33Issue:11Pages:1005-1014
AbstractTo evaluate the effects of different remediation methods on heavy metals contaminated recycled gravel, three immobilization agents (monopotassium phosphate, lime, nano-iron) and two mobilization agents (glyphosate, humic acid (HA)) were studied and compared. Results indicated that nano-iron powder was found to be more effective to immobilize Zn, Cu, Pb and Cd. Meanwhile, glyphosate presents a higher mobilization effect than HA with removal rates of about 66.7% for Cd, more than 80% for Cr, Cu and Zn, and the highest removal percentage of 85.9% for Cr. After the mobilization by glyphosate, the leaching rates of Zn, Cu and Cr were about 0.8%, and below 0.2% for Pb and Cd. The leaching rates after nano-iron powder treatment were 1.18% for Zn, 0.96% for Cr, 0.61% for Cu, 0.45% for Pb and Cd not detected. The formation and disappearance of metal (Zn/Cu/Cr/Pb/Cd) compounds were firmly confirmed through X-ray diffraction and scanning electron microscopy analyses on crystalline phases and morphological surface structures.
SubtypeArticle
KeywordContaminated Recycled Gravel Construction And Demolition Wastes Heavy Metals Mobilization Immobilization Glyphosate
DOI10.1177/0734242X15602963
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationPublic Interest Program of the Chinese Ministry of Environmental Protection(201309025) ; Public Interest Program of the Chinese Ministry of Environmental Protection(201309025) ; National Natural Science Foundation of China(51278350) ; National Natural Science Foundation of China(51278350) ; Public Interest Program of the Chinese Ministry of Environmental Protection(201309025) ; Public Interest Program of the Chinese Ministry of Environmental Protection(201309025) ; National Natural Science Foundation of China(51278350) ; National Natural Science Foundation of China(51278350)
Language英语
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS KeywordUNPAVED RURAL ROADS ; ZERO-VALENT IRON ; HUMIC-ACID ; AQUEOUS-SOLUTION ; DEMOLITION WASTE ; COPPER-ION ; 2 SOILS ; GLYPHOSATE ; ADSORPTION ; COMPLEXES
WOS IDWOS:000364381300007
Funding OrganizationPublic Interest Program of the Chinese Ministry of Environmental Protection(201309025) ; Public Interest Program of the Chinese Ministry of Environmental Protection(201309025) ; National Natural Science Foundation of China(51278350) ; National Natural Science Foundation of China(51278350) ; Public Interest Program of the Chinese Ministry of Environmental Protection(201309025) ; Public Interest Program of the Chinese Ministry of Environmental Protection(201309025) ; National Natural Science Foundation of China(51278350) ; National Natural Science Foundation of China(51278350)
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27352
Collection藻类生物学及应用研究中心
Affiliation1.Tongji Univ, State Key Lab Pollut Control & Resource Reuse, Sch Environm Sci & Engn, Shanghai 200092, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Beijing 100864, Peoples R China
3.Natl Inst Environm Studies, Tsukuba, Ibaraki, Japan
Recommended Citation
GB/T 7714
Gao, Xiaofeng,Gu, Yilu,Huang, Sheng,et al. Comparison of alternative remediation technologies for recycled gravel contaminated with heavy metals[J]. WASTE MANAGEMENT & RESEARCH,2015,33(11):1005-1014.
APA Gao, Xiaofeng.,Gu, Yilu.,Huang, Sheng.,Zhen, Guangyin.,Deng, Guannan.,...&Zhao, Youcai.(2015).Comparison of alternative remediation technologies for recycled gravel contaminated with heavy metals.WASTE MANAGEMENT & RESEARCH,33(11),1005-1014.
MLA Gao, Xiaofeng,et al."Comparison of alternative remediation technologies for recycled gravel contaminated with heavy metals".WASTE MANAGEMENT & RESEARCH 33.11(2015):1005-1014.
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