The Application of"Three Ponds,One Dam,One Wetland"Process in the Treatment of Aquaculture Wastewater in Concentrated Contiguous Freshwater Pond—Take the Aquaculture Wastewater Treatment Project in Dengjin Fishing Ground as an Example
Took the aquaculture wastewater of Dengjin Fishing Ground as the research object,the effective path of aquaculture wastewater treatment of concentrated freshwater ponds was explored.The engineering practice showed that the application of"three ponds,one dam and one wetland"process,without the introduction of chemical flocculants,aquaculture wastewater through physical separation and biological action,the total amount of suspended solids,TN,TP,CODMn and other indicators,could meet the freshwa-ter aquaculture wastewater discharge standards,can achieve the discharge standards.
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