Sequential washing and eluent regeneration with agricultural waste extracts and residues for facile remediation of meta-contaminated agricultural soils
Yang, Shuai1,2,4; Li, Yuan1,2; Liu, Guo-ming3; Si, Shao-cheng1,2,4; Zhu, Xia3; Tu, Chen1,2; Li, Lian-zhen1,2; Luo, Yong-ming1,2,3,4
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
2022-08-20
Volume835Pages:9
KeywordPotentially toxic metals Agricultural soils Soil washing Plant extracts Waste eluent treatment
DOI10.1016/j.scitotenv.2022.155548
Corresponding AuthorLuo, Yong-ming(ymluo@issas.ac.cn)
AbstractWashing with organic acids and dissolved organic carbon (DOC) is a promising technique for effective removal of potentially toxic metals from agricultural soils and the two key factors are the screening of inexpensive, high efficiency, and environmentally friendly washing agents and the safe treatment of waste eluent. We used extracts from agro-forestry wastes (pineapple peel, lemon peel, grapefruit peel and gardening crabapple fruit) to develop a facile two-stage sequential washing method (extracts and/or citric acid (CA) and coupled with extracts) and regenerated waste eluent. The washing efficiencies of Cd and Cu were significantly increased by pineapple peel (PP) using two stage sequential washing with the sequence of PP + CA-PP > CA-PP > PP-PP. The potential pollution risk from soil Cd was lowered by 33.0% from moderate to low risk, and soil nutrient contents increased. 80.9% of Cd and 81.3% of Cu in waste eluent were efficiently removed by the PP residues. The removal mechanisms of metals in soils and eluents by PP washing agents and residues can be attributed to acid activation, cation exchange and complexation between metal ions and carboxyl groups. Therefore, the PP extracts and residues are potentially suitable for the removal of Cd and Cu from polluted agricultural soils and washing waste eluents.
Funding OrganizationNational Natural Science Foundation of China ; Science and Technology Development Plan of Yantai
Indexed BySCI
Language英语
WOS KeywordDISSOLVED ORGANIC-MATTER ; HEAVY-METALS ; CITRIC-ACID ; SEWAGE-SLUDGE ; REMOVAL ; CADMIUM ; CD ; AGENT ; RECLAMATION ; EDTA
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000880438300009
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/32009
Collection中国科学院海岸带环境过程与生态修复重点实验室
中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
Corresponding AuthorLuo, Yong-ming
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
2.YICCAS, Shandong Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Soil Sci, CAS Key Lab Soil Environm & Pollut Remediat, Nanjing 210008, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yang, Shuai,Li, Yuan,Liu, Guo-ming,et al. Sequential washing and eluent regeneration with agricultural waste extracts and residues for facile remediation of meta-contaminated agricultural soils[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2022,835:9.
APA Yang, Shuai.,Li, Yuan.,Liu, Guo-ming.,Si, Shao-cheng.,Zhu, Xia.,...&Luo, Yong-ming.(2022).Sequential washing and eluent regeneration with agricultural waste extracts and residues for facile remediation of meta-contaminated agricultural soils.SCIENCE OF THE TOTAL ENVIRONMENT,835,9.
MLA Yang, Shuai,et al."Sequential washing and eluent regeneration with agricultural waste extracts and residues for facile remediation of meta-contaminated agricultural soils".SCIENCE OF THE TOTAL ENVIRONMENT 835(2022):9.
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