Volume 7, Issue 3 (Spring 2022)                   Health in Emergencies and Disasters Quarterly 2022, 7(3): 117-126 | Back to browse issues page

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Ghanbari Tapeh N, Fataei E, Naji A, Imani A A, Nasehi F. Municipal Wastewater Efluent as a Source of Microplastic Pollution Crisis in the Qarasu River Water, Ardabil Province, Iran. Health in Emergencies and Disasters Quarterly 2022; 7 (3) :117-126
URL: http://hdq.uswr.ac.ir/article-1-387-en.html
1- Department of Environmental Science and Engineering, Ardabil Branch, Islamic Azad, University, Ardabil, Iran.
2- Department of Environmental Science and Engineering, Ardabil Branch, Islamic Azad, University, Ardabil, Iran. , eafataei@gmail.com
3- Department of Fisheries, Faculty of Marine Science and Technology, Hormozgan University, Hormozgan, Iran.
4- Department of Agricultural Engineering, Ardabil Branch, Islamic Azad University, Ardabil, Iran.
Abstract:   (1794 Views)
Background: Today, the environmental crisis of pollution of water resources with municipal and industrial wastewater containing microplastic (MP) pollutants has become a global problem. Likewise, in Ardabil Province, Iran, municipal wastewater is discharged into the water of the River Qarasu and is the primary source of the MP pollution crisis.
Materials and Methods: In this descriptive cross-sectional study, the samples were taken from 5 stations in the Qarasu (Karkarq, Sarband, Anzab Sofla, Dolatabad, and Samian villages) under standard methods in 2020. The sample analysis and MP separation method were performed based on the density difference and digestion methodology. It was completed using stereo microscopy with a digital camera, fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). 
Results: Studies show that WWTPs (Wastewater Treatment Plants) are the primary sources of releasing MPs into the environment. In addition to threats to water resources, MPs are consumed and digested by aquatic organisms. As a result, MPs can affect human health, the environment, and the river’s living organisms.
Conclusion: The study results showed that MPs had been introduced into the River Qarasu ecosystem. MPs can have dangerous effects on the environment and living organisms and lead to an environmental crisis of water resources. Therefore, continuous river pollution monitoring is vital in the environmental crisis.
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Type of Study: Research | Subject: Special
Received: 2021/09/7 | Accepted: 2021/11/12 | Published: 2022/04/1

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