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2013•ACTA AGRICULTURAE UNIVERSITATIS JIANGXIENSISRequires access

An Experimental Study on the Treatment of Aquaculture Wastewater on Wetland

He Wei

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Abstract

Aiming at the high pollution load of aquaculture wastewater and the low level of profits,oxidation pond treatment process was proposed.The fertilizer for the experiment was quail dung,and the aquatic creature was eichhornia crassipes.The objective was to study the effect of oxidation pond on aquaculture wastewater treatment and compare the effect on aquaculture wastewater treatment between oxidation pond and natural wetland.After treatment for one week,the results showed that the average removal rates of COD,TN and TP were 61.35%,59.16% and 64.94% respectively by oxidation pond,but the removal rates of COD,TN and TP were 38.46%,62.43% and 66.09% separately by natural wetland.From the comparison between the two treatment,oxidation pond had better removal rate of COD,but the two treatments had similar removal rates of TN and TN.

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What this paper is about

Aiming at the high pollution load of aquaculture wastewater and the low level of profits,oxidation pond treatment process was proposed.The fertilizer for the experiment was quail dung,and the aquatic creature was eichhornia crassipes.The objective was to study the effect of oxidation pond on aquaculture wastewater treatment and compare the effect on aquaculture wastewater treatment between oxidation pond and natural wetland.After treatment for one week,the results showed that the average removal rates of COD,TN and TP were 61.35%,59.16% and 64.94% respectively by oxidation pond,but the removal rates of COD,TN and TP were 38.46%,62.43% and 66.09% separately by natural wetland.From the comparison between the two treatment,oxidation pond had better removal rate of COD,but the two treatments had similar removal rates of TN and TN.

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Available abstract

Aiming at the high pollution load of aquaculture wastewater and the low level of profits,oxidation pond treatment process was proposed.The fertilizer for the experiment was quail dung,and the aquatic creature was eichhornia crassipes.The objective was to study the effect of oxidation pond on aquaculture wastewater treatment and compare the effect on aquaculture wastewater treatment between oxidation pond and natural wetland.After treatment for one week,the results showed that the average removal rates of COD,TN and TP were 61.35%,59.16% and 64.94% respectively by oxidation pond,but the removal rates of COD,TN and TP were 38.46%,62.43% and 66.09% separately by natural wetland.From the comparison between the two treatment,oxidation pond had better removal rate of COD,but the two treatments had similar removal rates of TN and TN.

Key concepts: Aquaculture, Wastewater, Wetland, Eichhornia crassipes, Environmental science, Stabilization pond, Sewage treatment, Environmental engineering

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