Comparison of the performance of plant nano-hydrogels as bio-filters for nitrite uptake from effluent of fish farms

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DARABITABAR F.; YAVARI V.; HEDAYATI A.A.; ZAKERI M.; YOUSEFI H.

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Journal: Iranian Scientific Fisheries Journal Year:2020 | Volume:29 | Issue:2 Page(s): 43-52

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Title

Comparison of the performance of plant nano-hydrogels as bio-filters for nitrite uptake from effluent of fish farms

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Keywords

Green adsorbentQ1

Fish farm wasteQ1

Nano gelQ1

Water resources managementQ1

Abstract

The aim of this study was to evaluate the performance of plant nano-gels as a new adsorbent and to remove nitrite at low cost. At first, plant nano-gels (nano bagasse, chitosanfunctionalized nano-fiber and lignocellulose nano-fiber) were prepared by mechanical and top-down mechanism. Batch system medium was designed to measure the adsorbent optimum. Then isotherm and synthetic were calculated to estimate absorption coefficients. The optimum amount of adsorbent weight for each Nano gel was: 0. 1 g for nano bagasse and lignocellulose fiber; 0. 3 g for modified nano fiber; 4 for nano bagasse and lignocellulose fiber and 5 for modified nano fibril; also initial concentration and the time for all adsorbents was 25 mg /l and 60 min. According to the equilibrium equations, the most consistent were considered with Langmuir, Freundlich and Temkin models. Results showed that the highest nitrite removal efficiency was related to functionalized nano-fiber with 93. 1%; for nanobagasse it was 65. 51% and for lignocellulose nano-fiber was 68. 96%. Eventually, the plant nano-gels can be used as bio-filters in the effluent system of fish farm.

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APA: Copy

DARABITABAR, F., YAVARI, V., HEDAYATI, A.A., ZAKERI, M., & YOUSEFI, H.. (2020). Comparison of the performance of plant nano-hydrogels as bio-filters for nitrite uptake from effluent of fish farms. IRANIAN SCIENTIFIC FISHERIES JOURNAL, 29(2 ), 43-52. SID. https://sid.ir/paper/4316/en

Vancouver: Copy

DARABITABAR F., YAVARI V., HEDAYATI A.A., ZAKERI M., YOUSEFI H.. Comparison of the performance of plant nano-hydrogels as bio-filters for nitrite uptake from effluent of fish farms. IRANIAN SCIENTIFIC FISHERIES JOURNAL[Internet]. 2020;29(2 ):43-52. Available from: https://sid.ir/paper/4316/en

IEEE: Copy

F. DARABITABAR, V. YAVARI, A.A. HEDAYATI, M. ZAKERI, and H. YOUSEFI, “Comparison of the performance of plant nano-hydrogels as bio-filters for nitrite uptake from effluent of fish farms,” IRANIAN SCIENTIFIC FISHERIES JOURNAL, vol. 29, no. 2 , pp. 43–52, 2020, [Online]. Available: https://sid.ir/paper/4316/en

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