2011•Journal of Lanzhou Jiaotong UniversityRequires access

Batch-flow Constructed Wetland for Rural Wastewater Treatment

Hongtao Zhang

Abstract

As a high-performance and low-power consumption of the sewage treatment technology,the constructed wetland has been widely used to deal with the sewage.The water-supply sludge containing aluminium is used as the main substrate of the constructed wetland and the batch mode is as the influent mode to build the batch vertical constructed wetland system with the consolidated composite substrate to test the rural sewage treatment of Taihu Lake.The experiment shows that when the aluminized water supply sludge is used as the main substrate and the constructed wetland system is in continuous operation,the removal rates of COD(73%),SS(78%)and NH3-N(80%)are high,especially phosphorus(88%).

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Key concepts: Constructed wetland, Wetland, Sewage treatment, Environmental science, Environmental engineering, Wastewater, Sewage, Substrate (aquarium)