IGSNRR OpenIR
Reducing Arsenic Concentration in Panax notoginseng via Contaminant Immobilization in Soil Using Fe-Ce Oxide
Lin, Longyong1,2; Zhong, Lirong3; Yan, Xiulan1; Fei, Yang1
2018-03-01
Source PublicationJOURNAL OF ENVIRONMENTAL QUALITY
ISSN0047-2425
Volume47Issue:2Pages:312-317
Corresponding AuthorYan, Xiulan(yanxl@igsnrr.ac.cn)
AbstractPanax notoginseng (Burk.) F.H. Chen, a valuable Chinese medicine, is currently confronted with arsenic (As) contamination in China due to soil pollution. Our previous research demonstrated that Fe(0) and zeolite had a certain inhibitory effect on As accumulation in P. notoginseng. In order to further reduce As accumulation in the plant, a synthetic iron material (Fe-Ce oxide [FC]) with high As adsorption capacity was tested for As remediation. In the study, after FC was applied to the Ascontaminated soil, Panax notoginseng was planted in the soil. The As leaching behavior of the treated soil and As accumulation in P. notoginseng were evaluated. The results showed that FC immobilized As more effectively than Fe(0) and zeolite in soils with high As concentrations. When the FC dosage was 0.5 % (w/w), As concentration of P. notoginseng root (the main medicinal part) decreased by 56%, and root biomass increased by 55%. Results indicated FC could reduce the non-specifically adsorbed As fraction (F1) and specifically adsorbed As fraction (F2) by 22 to 31% and 5 to 17%, respectively, thus reducing the toxicity characteristic leaching procedure leachable As concentration by 41 to 67%. The finding of an iron plaque coating on the plant root and its function as a barrier to As uptake by P. notoginseng is reported here for the first time. The occurrence of iron plaque led to a reduction in As concentration in the phellem and xylemphloem by 66 to 80% and 43 to 70%, respectively. Our findings will help in developing As contamination control in areas where P. notoginseng is planted and set a foundation for a FC-based As immobilization technology.
DOI10.2134/jeq2017.07.0297
WOS KeywordIRON ; FRACTIONATION ; ACCUMULATION ; REMEDIATION ; ADSORBENT
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41571309] ; US Department of Energy[DE-AC06-76RLO 1830]
Funding OrganizationNational Natural Science Foundation of China ; US Department of Energy
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000426851200015
PublisherAMER SOC AGRONOMY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/57203
Collection中国科学院地理科学与资源研究所
Corresponding AuthorYan, Xiulan
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
2.Guangdong Prov Acad Environm Sci, Inst Ecoenvironm & Soil Remediat, Guangzhou 510045, Guangdong, Peoples R China
3.Pacific Northwest Natl Lab, Energy & Environm Directorate, Richland, WA 99354 USA
Recommended Citation
GB/T 7714
Lin, Longyong,Zhong, Lirong,Yan, Xiulan,et al. Reducing Arsenic Concentration in Panax notoginseng via Contaminant Immobilization in Soil Using Fe-Ce Oxide[J]. JOURNAL OF ENVIRONMENTAL QUALITY,2018,47(2):312-317.
APA Lin, Longyong,Zhong, Lirong,Yan, Xiulan,&Fei, Yang.(2018).Reducing Arsenic Concentration in Panax notoginseng via Contaminant Immobilization in Soil Using Fe-Ce Oxide.JOURNAL OF ENVIRONMENTAL QUALITY,47(2),312-317.
MLA Lin, Longyong,et al."Reducing Arsenic Concentration in Panax notoginseng via Contaminant Immobilization in Soil Using Fe-Ce Oxide".JOURNAL OF ENVIRONMENTAL QUALITY 47.2(2018):312-317.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Lin, Longyong]'s Articles
[Zhong, Lirong]'s Articles
[Yan, Xiulan]'s Articles
Baidu academic
Similar articles in Baidu academic
[Lin, Longyong]'s Articles
[Zhong, Lirong]'s Articles
[Yan, Xiulan]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Lin, Longyong]'s Articles
[Zhong, Lirong]'s Articles
[Yan, Xiulan]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.