Productive Experiment of Combined Process Treating Sewage of Three Gorges Reservoir Region

Xiao Xia Ma; Lei Huang; Jing Song Guo

doi:10.4028/www.scientific.net/AMM.90-93.2444

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 90-93Productive Experiment of Combined Process Treating...

Productive Experiment of Combined Process Treating Sewage of Three Gorges Reservoir Region

Abstract:

To investigate the domestic sewage treatment processes fitting for small mountain towns in Three Gorges Reservoir Region, a demonstration project was built to treat domestic sewage which combined with anaerobic hydrolysis, natural water-dropping aeration and improved artificial soil rapid infiltration and was based on the features of large terrain elevation and many barren ravines. Changes of major pollutants were analyzed in the combined process. The impact of temperature and influent loadings on removal rates of pollutants was investigated. The results showed that, the treatment system had a strong resistance to the influent loadings with good removal rates of pollutants. There was a relationship between temperature and the removal rates of chemical oxygen demand, ammonia and total nitrogen in the system, where the removal rate of total phosphorus was not associated with temperature. There was a clear linear relationship between effluent concentration and influent loadings, effluent concentration increased with influent loadings. There were approximate logarithmic relationships between removal loadings per unit area and influent loadings.

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Periodical:

Applied Mechanics and Materials (Volumes 90-93)

Pages:

2444-2450

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.90-93.2444

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Online since:

September 2011

Authors:

Xiao Xia Ma, Lei Huang, Jing Song Guo

Keywords:

Loading, Removal Rate, Sewage, Temperature

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