Evaluation of redevelopment priority of abandoned industrial and mining land based on heavy metal pollution.
Journal
PloS one
ISSN: 1932-6203
Titre abrégé: PLoS One
Pays: United States
ID NLM: 101285081
Informations de publication
Date de publication:
2021
2021
Historique:
received:
10
05
2021
accepted:
18
07
2021
entrez:
29
7
2021
pubmed:
30
7
2021
medline:
4
11
2021
Statut:
epublish
Résumé
Heavy metal contamination in soil is an important factor affecting the determination of safe redevelopment methods for industrial and mining land. In this paper, the soil environment of a typical mining city in northern China was taken as the research object, 148 surface soil samples were collected and the contents of heavy metals were measured. The health risk classification criteria for heavy metal contamination of soils and the method of priority assessment for redevelopment were used. The results showed that: the risk of potential utilization types of heavy metals in the abandoned industrial and mining land is different. When the utilization type is agricultural land, the soil environmental quality is good as a whole, and a small number of plots are polluted by cadmium (Cd)and mercury (Hg); When the land use type is construction land, the risk of heavy metal pollution comes from chromium (Cr); The priority of development in this study area is as follows: agricultural land > construction land > ecological land.
Identifiants
pubmed: 34324591
doi: 10.1371/journal.pone.0255509
pii: PONE-D-21-15411
pmc: PMC8321123
doi:
Substances chimiques
Metals, Heavy
0
Soil Pollutants
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e0255509Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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