Volume 14, Issue 1 (2025)                   JFST 2025, 14(1): 73-84 | Back to browse issues page

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Shamsaei M, Ghasemi Z, Amini Khoei Z. The use of wastewater from Bandar Abbas shrimp farms in the cultivation of marine microalgae Nannochloropsis oculata. JFST 2025; 14 (1) :73-84
URL: http://jfst.modares.ac.ir/article-6-79332-en.html
The use of wastewater from Bandar Abbas shrimp farms in the cultivation of marine microalgae Nannochloropsis oculata
Mohammad Shamsaei1 , Zahra Ghasemi * 2, Zahra Amini Khoei3
1- University of Hormozgan
2- University of Hormozgan , zghasemi446@yahoo.com
3- Chabahar offshore Research Center
Abstract:   (69 Views)
Using nutrient-rich aquaculture effluent as a growth medium for cultivating microalgae can help reduce dependence on chemical culture media. In a 14-day study, the effect of replacing a standard culture medium (control) with shrimp farming effluent (10%, 25% and 50%) on the cell growth of microalgae Nannochloropsis oculata was investigated. The results showed that in the early days (up to the sixth day), different concentrations of wastewater increased cell growth more than the control medium. From the eighth to the tenth day, the amount of cell growth in 10% concentration with 2190 cells per milliliter (day ten) was similar to the control medium, but in higher concentrations of 25% and 50%, a significant decrease in cell growth was observed (p˂0.05). On the twelfth day, the cell growth rate in the effluent concentration of 10% was higher than the control medium (p˂0.05).  This shows the potential of shrimp farm effluents for microalgae cultivation in different concentrations, although the optimization of ratios is necessary to avoid the negative effects of toxic substances. Also, the results showed that with the passage of time, the ability of shrimp farming effluent to stimulate cell growth varies. In general, the findings emphasize the importance of using wastewater as a source of cell culture and can lead to the optimization of culture conditions and commercial applications in the cultivation processes of microorganisms.
Keywords: Aquaculture wastewater, Algae cell growth, Alternative culture medium, Bioremediation, Nannochloropsis oculata
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Article Type: Original Research | Subject: Non food Aquaculture
Received: 2025/02/3 | Published: 2025/06/30
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