Study on Treatment Efficiency of Livestock Waste Water with Biogas Slurry by Subsurface Constructed Wetland

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Abstract:

The main objective of this study is to investigate the feasibility of treatment of livestock waste water with biogas slurry by the constructed wetland and provide the operation parameters for a full scale constructed wetland to improve the quality of waste water. The results showed that when the influent flux was 1.5m3/d, the average removal rates of Turbidity, COD, TN, NH4+-N and TP in the horizontal subsurface flow constructed wetland system were 89.57%, 59.21%, 55.09% 55.57% and 53.80% respectively. The wetland system has high treatment effect and run stably in the pretreatment process of livestock waste water with biogas slurry.

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Periodical:

Advanced Materials Research (Volumes 518-523)

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2866-2869

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May 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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