Heavy Metal Accumulation in Water, Soil, and Plants of Municipal Solid Waste Landfill in Vientiane, Laos
Bibliographic Data
| ID | 15465272 |
|---|---|
| Authors | Vongdala Noudeng (0000-0002-9244-2003, Hiroshima University), Noudeng Vongdala (Graduate school for International Development and Cooperation, Hiroshima University, Hiroshima 739-8529, Japan), Huu Dat Tran (0000-0003-3563-2887, Trường ĐH Nguyễn Tất Thành), Hoang-Dung Tran (Nguyen Tat Thanh University, Ho Chi Minh City 702000, Vietnam), Tran Dang Xuan (0000-0001-7103-5698, Hiroshima University, corresponding author), Rolf Teschke (0000-0001-8910-1200, Klinikum Hanau), Tran Dang Khanh (0000-0003-4426-7121, Agricultural Genetics Institute) |
| Year | 2018 |
| Volume | 16 |
| Issue | 1 |
| Pages | 22-22 |
| Publication date | 2018-12-21 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | International Journal of Environmental Research and Public Health (JOURNAL) |
| Journal identifiers | ISSN: 1661-7827 • E-ISSN: 1660-4601 |
| Publisher | Multidisciplinary Digital Publishing Institute (PUBLISHER • CH) |
| DOI | 10.3390/ijerph16010022 |
| PMID | 30577663 |
| OpenAlex | W2906530070 |
| Language | EN |
| Citations received | 7 |
| References cited | 39 |
The municipal solid waste (MSW) landfill in Vientiane, Laos, which receives > 300 tons of waste daily, of which approximately 50% is organic matter, has caused serious environmental problems. This study was conducted to investigate the accumulated levels of heavy metals (HMs) (cadmium (Cd), chromium (Cr), copper (Cu), nickel (Ni), lead (Pb), and zinc (Zn)) in water (surface and groundwater), soil, and plants between dry and wet seasons according to the standards of the Agreement on the National Environmental Standards of Laos (ANESs), Dutch Pollutant Standards (DPSs), and the World Health Organization (WHO), respectively. Although no impact of pollution on the surface water was observed, the levels of Cr and Pb in the groundwater significantly exceeded the basics of ANESs and WHO in both seasons. The pollution caused by Cd and Cu reached the eco-toxicological risk level in the landfill soils and its vicinity. The vegetable Ipomoea aquatica , which is consumed by the nearby villagers, was seriously contaminated by Cr, Pb, Cu, and Zn, as the accumulation of these toxic metals was elevated to much greater levels as compared to the WHO standards. For the grass Pennisetum purpureum (elephant grass), the quantities of HMs in all plant parts were extreme, perhaps due to the deeper growth of its rhizome than I. aquatica . This study is the first to warn of serious HM pollution occurring in the water, soil, and plants in the MSW landfill of Vientiane, Laos, which requires urgent phytoremediation. The indication of what sources from the MSW principally cause the pollution of HMs is needed to help reduce the toxicological risks on Lao residents and the environment in Vientiane as well
Heavy metals · Municipal solid waste · Waste management · Chemistry · Engineering · Environmental Science · Heavy metals in environment · Municipal Solid Waste Management · Recycling and Waste Management Techniques · Environmental Chemistry · Environmental Engineering
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| Citations per year | 1 |
|---|---|
| Citation span | 2019 - 2023 (5) |
| Highly cited | No |