introduction

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As the human population increases the need for water is increased in domestic, agricultural, industrial and urban sectors in the world. As availability of fresh water source decrease, wastewater reuse after treatment is gaining acceptance worldwide. now days to reduce water scarcity, agriculture is done with the help of wastewater and the integration of aquaculture with agriculture is an excellent way to save water, disposing aquacultural wastewater and providing fertilizers to the agricultural crops. Now days a large amount of wastewater produced from intensive aquacultural operations contains large amount of nitrogenous compounds, phosphorus, sulphide etc. as we already know the nutrients present in aquacultural waste water may generate several environmental issues like lagal blooms, eutrophication etc. These blooms first leads to reduction of DO which later on results as production of ammonia and other toxic gases, lethal to aquatic life. In addition to this the chemicals used in aquacultural industries also proves hazardous for recirculation purposes. In intensive culture because...

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