Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Microplastic Removal Time in Saigon River
Microplastics have been a serious problem for the aquatic life because they can convey toxic additives to the food web networks where human is at the highest level. However, the harm is supposed to be less if microplastics are out of the water body, which can be defined as floating at the water surface or burying at the water bottom. In this paper, we processed the microscope images of microplastics collected in Sai Gon River reported in a previous sampling campaign using MATLAB image processing application, and predicted removal time of different microplastic types using an appropriate velocity formula. We found that the removal time of fiber MPs in Saigon River can range between 12 to 130 h and that of flat fragment MPs is about 2 to 35 h. The removal time of one-dimensional MPs is mostly controlled by their diameter while two-dimensional MPs are affected by all of the geometrical factors. One-dimensional MPs in Saigon River tend to stay longer in the water column body, therefore, may have more negative impacts on the aquatic health than two-dimensional MPs.
Microplastic Removal Time in Saigon River
Microplastics have been a serious problem for the aquatic life because they can convey toxic additives to the food web networks where human is at the highest level. However, the harm is supposed to be less if microplastics are out of the water body, which can be defined as floating at the water surface or burying at the water bottom. In this paper, we processed the microscope images of microplastics collected in Sai Gon River reported in a previous sampling campaign using MATLAB image processing application, and predicted removal time of different microplastic types using an appropriate velocity formula. We found that the removal time of fiber MPs in Saigon River can range between 12 to 130 h and that of flat fragment MPs is about 2 to 35 h. The removal time of one-dimensional MPs is mostly controlled by their diameter while two-dimensional MPs are affected by all of the geometrical factors. One-dimensional MPs in Saigon River tend to stay longer in the water column body, therefore, may have more negative impacts on the aquatic health than two-dimensional MPs.
Microplastic Removal Time in Saigon River
Lecture Notes in Civil Engineering
Reddy, J. N. (Herausgeber:in) / Wang, Chien Ming (Herausgeber:in) / Luong, Van Hai (Herausgeber:in) / Le, Anh Tuan (Herausgeber:in) / Pham, Tuan Dang (Autor:in) / Nguyen, Minh Huy (Autor:in) / Nguyen, Thu Ha (Autor:in)
21.09.2022
9 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Microplastics , Removal time , Settling velocity , Geometrical factors , Saigon River Energy , Sustainable Architecture/Green Buildings , Structural Materials , Geotechnical Engineering & Applied Earth Sciences , Building Construction and Design , Construction Management , Environmental Policy , Engineering
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