A new empirical approach for modelling fate and transport of Chromium bioaccumulation in irrigated crops: a water-food-pollution nexus

Montazeri, Ali, Chahkandi, Benyamin, Gheibi, Mohammad, Behzadian, Kourosh ORCID: https://orcid.org/0000-0002-1459-8408, Ardakanian, Atiyeh and Ieropoulos, Ioannis (2022) A new empirical approach for modelling fate and transport of Chromium bioaccumulation in irrigated crops: a water-food-pollution nexus. In: 17th Conference on Sustainable Development of Energy, Water and Environment Systems, 6-10 Nov 2022, Paphos, Cyprus.

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Discharge of chromium (Cr) into receiving water bodies is a serious problem in water resources worldwide that inevitably gets taken up by agricultural crops and hence threatens both the environment and human health. This study investigates the fate and transport modelling of Cr discharged into the Kashaf River by leather industries in Mashhad city, Iran and the bio magnification effects on agricultural crops irrigated by the river. The accumulative concentration of Cr in tomato in the present case study from the time of planting until harvest day shows an increasing trend of up to 126 μg/L. The sensitivity analysis illustrates that the accumulated chromium ions in tomato are affected by time in growth cycle, chromium dosage in water, and total hardness of water more than any other factors. This study adopts an empirical approach by developing statistical modelling for bio-accumulated Cr in tomato during the growth period and evaluates different 3D mathematical distribution such as Polynomial, Interpolant, and Lowest models. The results demonstrate Polynomial with x and y more than four-degree model has the best efficiency for the measurement of accumulated chromium ion in tomato as per qualitative factors. The outputs in this study can be viewed in the context of water-food-pollution nexus and how the pollution discharged from the industry into the water resources can have a major impact on the safety of food that is dependent on irrigation from freshwater resources.

Item Type: Conference or Workshop Item (Paper)
Additional Information: This study was a part of the research project supported by the Royal Academy of Engineering under the Frontiers programme (FS-2122-16-129) which is greatly acknowledged.
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Depositing User: Kourosh Behzadian
Date Deposited: 11 Nov 2022 00:31
Last Modified: 15 Jul 2023 23:33
URI: https://repository.uwl.ac.uk/id/eprint/9613


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