Abstract

Aquaculture food is one of the fastest growing food sectors in the world. To meet global aquaculture demand world have adopted cultivation of fish trough intensive system. In intensive aquaculture cultivation systems, a large amount of fresh water is used and concurrently a huge amount of aquaculture wastewater is generated. Aquaculture wastewater contains nitrates, nitrites, and phosphate, among other substances. To prevent eutrophication, it is very important to treat wastewater before it is released into a water body. To improve the economic prospects of the aquaculture industry, it is vital to treat aquaculture wastewater and reuse it. Phycoremediation is an emerging technology in which algae utilize nutrients available in the wastewater to produce biomass, which is rich in protein, lipid, carbohydrates, and other value-added products. The cultivation of algae in aquaculture wastewater has several advantages. The nutrient removal efficiency and the production of biomass and various metabolites (proteins, lipids, and carbohydrates) have strain specific and adaptability towards aquaculture wastewater. To utilize this integrated process, not only close the loop in the aquaculture industry but also make economical, sustainable and feasible.

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