Evaluation of nanosilver coating performance on Fouling reduction of fish cages in Ayush dam of Khorramabad
2021
Fatemeh Radfar | Mohsen Safaei | Saeid Gorgin | Homeira Agah | Gholamreza Rafiei
The present study was conducted to evaluate the effects of nanosilver coating on the reduction of fouling fish cages of rainbow trout in the Ayush dam of Khorramabad from winter 2016 to autumn 2016. The nets were applied for antibacterial properties according to the exhaustion method The samples were collected from net panels (0.0625 m2) that were attached to the PVC frame, located at a depth of one meter from the side of the fish culture cages, and wet weight was measured, then it was identified with valid authentication keys. In this study, three genera of green algae and diatom were identified. The analyses showed that Do, temperature, and pH were positively and significantly correlated with Tetrasporaceae, wet weight and algae cover percentage. The Seasonal nanosilver panels treatment was free of fouling. Nanosilver coating can provide at least three months of effective protection against biofouling conditions. Nanosilver occupies the interstices of the polyamide polymer chain and interacts strongly with single pair electrons of nitrogen hence a coordinated complex is formed.
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