Study on density, shape, color, and composition of microplastics in sediments at the Han River estuary (Da Nang)

  • Affiliations:

    1 Hanoi University of Mining and Geology, Hanoi, Vietnam
    2 Vietnam Institute of Meteorology, Hydrology and Climate Change, Hanoi, Vietnam

  • *Corresponding:
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  • Received: 24th-Mar-2024
  • Revised: 21st-May-2024
  • Accepted: 27th-May-2024
  • Online: 1st-June-2024
Pages: 1 - 12
Views: 413
Downloads: 16
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Abstract:

Plastic pollution is recorded in terrestrial and aquatic ecosystems. Plastic waste exposed to the environment causes many problems for the environment and all forms of life. This study was conducted to evaluate the microplastic pollution in sediments at the Han River estuary (Da Nang). The analysis results at 8 survey locations showed that microplastics appeared in all samples and there was heterogeneity in density at 8 locations, ranging from 348.2÷3567.8 MPs/kg. Microplastic sizes in the range of 50÷150 μm account for the highest proportion with a value of 2531 MPs/kg, followed by sizes > 500; 20÷50; 50÷150, and 300÷500 μm with ratio values of 2034.2; 1292.1; 842.1, and 595.9 MPs/kg, respectively. The fibers and fragment microplastic forms accounted for most sediment samples up to 98.6%, the white color of microplastic recorded an average value of 49.8%, accounting for nearly half of the microplastics total found. FTIR spectrum shows that PET (Polyethylene Terephthalate) polymer has the highest density with 38.7%; followed by Polyester 25.1%; Nylon 12.9%; Polypropylene 5.4%; remaining polymers such as PVC (polyvinylchloride), PS (polystyrene), PE (Polyethylene), HDPE (High Density Polyethylene), etc. account for a fairly low proportion ranging from 0.7÷2.7%. This source of microplastic pollution is closely related to civil and service activities on both sides of the river. Therefore, in addition to changing environmental management measures, it is nessesary to research to understand the mechanisms that affect the transport, deposition, and interactions of microplastics with organisms living in this sediment environment.

How to Cite
Tran, H.Thu Thi, Nguyen, H.Thanh Thi and Vu, T.Kim 2024. Study on density, shape, color, and composition of microplastics in sediments at the Han River estuary (Da Nang) (in Vietnamese). Journal of Mining and Earth Sciences. 65, 3 (Jun, 2024), 1-12. DOI:https://doi.org/10.46326/JMES.2024.65(3).01.
References

Alam, F. C., Sembiring, E., Muntalif, B. S., Suendo, V. (2019). Microplastic distribution in surface water and sediment river around slum and industrial area (case study: Ciwalengke River, Majalaya district, Indonesia). Chemosphere 224, 637-645.

Cole, M., Webb, H. H., Lindeque, P. K., Fileman, E. S., Halsband, C., Galloway, T. S. (2014). Isolation of microplastics in biota÷rich seawater samples and marine organisms. Scientific Reports 4(1), p. 4528.

Corcoran, P. L., Corcoran, P. L., Norris, T., Ceccanese, T., Walzak, M. J., Helm, P. A., Marvin, C. H. (2015). Hidden plastics of Lake Ontario, Canada and their potential preservation in the sediment record. Environ. Pollut 204, 17-25.

Diana, R., Joana, A., Joana, P., João, P., Paulo, S. C., Fernando, R., Paula, S., Maria, H. C. (2022). Distribution patterns of microplastics in subtidal sediments from the Sado river estuary and the Arrábida marine park, Portugal. Front. Toxicology, Pollution and the Environment 10, 1-21.

Hà, T. H, Nguyễn, T. K. C. (2019). Bước đầu tìm hiểu về sự phân bố và đặc điểm của vi nhựa trong lớp trầm tích bề mặt vùng cửa sông Ba Lạt, miền Bắc Việt Nam. Ô nhiễm vi nhựa: nghiên cứu điển hình tại Việt Nam. Nhà xuất bản Giao thông vận tải, 40 trang.

Henry, B. K., Laitala, K., Klepp, I. (2019). Microfibres from apparel and home textiles: prospects for including microplastics in environmental sustainability assessment. Sci. Total Environ 652, 483-494.

Hernandez, L. M., Yousefi, N., Tufenkji, N. (2017). Are There Nanoplastics in Your Personal Care Products? Environmental Science and Technology Letters 4(7), 280-285.

Klein, S., Worch, E., Knepper, T. P. (2015). Occurrence and Spatial Distribution of Microplastics in River Shore Sediments of the Rhine÷Main Area in Germany. Environmental Science and Technology 49(10), 6070-6076.

Lenaker, P. L., Baldwin, A. K., Corsi, S. R., Mason, S. A., Reneau, P. C., Scott, J. W. (2019). Vertical Distribution of Microplastics in the Water Column and Surficial Sediment from the Milwaukee River Basin to Lake Michigan. Environmental Science and Technology 53(21), 12227÷12237.

Li, Y., Lu, Z., Zheng, H., Wang, J., Chen, C. (2020). Microplastics in surface water and sediments of Chongming Island in the Yangtze Estuary, China. Environmental Sciences Europe 32(1), 15.

Luu, V. D., Truong, H. D., Nguyen, T. H. H., Nguyen, D. T., Nguyen, T. T., Pham, V. H., Nguyen, Q. D., Mai, T. N. (2020). Method for the analysis of microplatics in the tidal flat sediments, case study of Da Loc Commune, Hau Loc District, Thanh Hoa Province. Journal of hydro-meteorology 715, 1÷12.

Masura, J., Baker, J., Foster, G., Arthur, C., Herring, C., Technical Editor (2015). Laboratory Methods for the Analysis of Microplastics in the Marine Environment: Recommendations for quantifying synthetic particles in waters and sediments. NOAA Technical Memorandum NOS-ORandR 48, 39 pages.

Mato, Y., Isobe, T., Takada, H., Kanehiro, H., Ohtake, C., Kaminuma, T. (2001). Plastic resin pellets as a transport medium for toxic chemicals in the marine environment. Environmental Science and Technology 35, 318-324.

Nguyen, Q. A. T., Nguyen, H. N. Y., Strady, E., Nguyen, Q. T, Dang, M. T, Vo, V. M. (2020). Characteristics of microplastics in shoreline sediments from a tropical and urbanized beach (Da Nang, Vietnam). Marine Pollution Bulletin 161(B), 111768.

Nguyen, T. T. N., Nguyen, T. N., Ho, T. N. H., To, T. H. (2021). Physical and Chemical Characteristics of Microplastic in Beach Sand in Can Gio, Ho Chi Minh City, Vietnam. Research Square 1, 1-27.

OECD, (2022). Global Plastics Outlook: Economic Drivers, Environmental Impacts and Policy Options, OECD Publishing, Paris.

Schymanski, D., Oßmann, B. E., Benismail, N., Boukerma, K., Dallmann, G., von der Esch, E., Fischer, D., Fischer, F., Gilliland, D., Glas, K., Hofmann, T., Käppler, A., Lacorte, S., Marco, J., Rakwe, M. E., Weisser, J., Witzig, C., Zumbülte, N., Ivleva, N. P. (2021). Analysis of microplastics in drinking water and other clean water samples with micro-Raman and micro÷infrared spectroscopy: minimum requirements and best practice guidelines, Anal. Bioanal. Chem 413, 5969-5994.

Tanju, M., Mert, M., Hazel, b., Kenan, G. (2024). Microplastic pollution in stream sediments discharging from Türkiye's eastern Black Sea basin. Chemosphere 352, 141496.

Teuten, E. L., Saquing, J. M., Knappe, D. R. U., Barlaz, M. A., Jonsson, S., Björn, A., Rowland, S. J., Thompson, R. C., Galloway, T. S., Yamashita, R., Ochi, D., Watanuki, Y., Moore, C., Pham Hung Viet., Tana, T. S., Prudente, M., Boonyatumanond, R., Zakaria, M. P., Akkhavong, K., Ogata, Y., Hirai, H., Iwasa, S., Mizukawa, K., Hagino, Y., Imamura, A., Saha, M., Takada, H. (2009). Transport and release of chemicals from plastics to the environment and to wildlife. Phil. Trans. R. Soc 364, 2027-2045.

Truong, H. D., Luu, V. D., Nguyen, D. T., Le, V. D., Le, T. K. L., Tran, D. Q., Nguyen, T. T. (2020). Composition and distribution of microplastics in surface sediments of Tien Yen Bay, Quang Ninh, Vietnam. Journal of hydro-meteorology 719, 14-25.

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