Pollutants’ Release, Redistribution and Remediation of Black Smelly River Sediment Based on Re-Suspension and Deep Aeration of Sediment
Bibliographic Data
| ID | 15503196 |
|---|---|
| Authors | Lin Zhu (0000-0001-5298-7431, Chinese Academy of Sciences, corresponding author), Xun Li (0000-0002-7190-0853, Chinese Academy of Sciences), Chen Zhang (0000-0002-1923-2771, Chinese Academy of Sciences), Zengqiang Duan (0000-0002-5964-7488, Chinese Academy of Sciences, corresponding author) |
| Year | 2017 |
| Volume | 14 |
| Issue | 4 |
| Pages | 374-374 |
| Publication date | 2017-04-01 |
| 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/ijerph14040374 |
| PMID | 28368316 |
| OpenAlex | W2606286617 |
| Language | EN |
| Citations received | 3 |
| References cited | 4 |
Heavily polluted sediment is becoming an important part of water pollution, and this situation is particularly acute in developing countries. Sediment has gradually changed from being the pollution adsorbent to the release source and has influenced the water environment and public health. In this study, we evaluated the pollutant distribution in sediment in a heavily polluted river and agitated the sediment in a heavily polluted river to re-suspend it and re-release pollutants. We found that the levels of chemical oxygen demand (COD), NH4+-N, total nitrogen (TN), and total phosphorus (TP) in overlying water were significantly increased 60 min after agitation. The distribution of the pollutants in the sediment present high concentrations of pollutants congregated on top of the sediment after re-settling, and their distribution decreased with depth. Before agitation, the pollutants were randomly distributed throughout the sediment. Secondly, deep sediment aeration equipment (a micro-porous air diffuser) was installed during the process of sedimentation to study the remediation of the sediment by continuous aeration. The results revealed that deep sediment aeration after re-suspension significantly promoted the degradation of the pollutants both in overlying water and sediment, which also reduced the thickness of the sediment from 0.9 m to 0.6 m. Therefore, sediment aeration after suspension was efficient, and is a promising method for sediment remediation applications
Aeration · Contamination · Environmental remediation · Pollutant · Sediment · Sedimentation · Waste management · Water pollution · Aquatic Ecosystems and Phytoplankton Dynamics · Chemistry · Constructed Wetlands for Wastewater Treatment · Environmental Science · Soil erosion and sediment transport · Ecology · Environmental Chemistry · Environmental Engineering · Geology · Pollution
Contamination and Risk Assessment of Heavy Metals in Lake Bed Sediment of a Large Lake Scenic Area in China
Diffusion of Nitrogen and Phosphorus Across the Sediment-Water Interface and In Seawater at Aquaculture Areas of Daya Bay, China
Bioremediation of Contaminated Lake Sediments and Evaluation of Maturity Indicies as Indicators of Compost Stability
Exploring the Impacts of Anthropogenic Disturbance on Seawater and Sediment Microbial Communities in Korean Coastal Waters Using Metagenomics Analysis
| Citations per year | 0.38 |
|---|---|
| Citation span | 2018 - 2019 (2) |
| Highly cited | No |