Nitrogen and phosphorus removal composite filler artificial wetland and sewage treatment method

• Main Authors: SHE WENJUAN, SHI MING, ZHANG RUIBIN, WANG LEYANG, ZU BAIYU, XI DAOGUO, PAN ZHUOXI, PAN LONG, ZHANG QIANG, DU WENYU
• Format: Patent
• Language: Chinese; English
• Published: 25.12.2018
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention relates to the technical field of sewage treatment, in particular to a nitrogen and phosphorus removal composite filler artificial wetland and a sewage treatment method. The artificial wetland comprises an adjusting tank, a vertical flow artificial wetland and a horizontal subsurface flow artificial wetland which are sequentially arranged along a water flow direction, the adjusting tank comprises a water storage tank and a water distribution tank, the water distribution tank is used for adjusting water outlet amount and flow speed of the water storage tank, the water inlet end ofthe water distribution tank is communicated with a water outlet of the water storage tank, a water inlet of the vertical flow artificial wetland is communicated with the water outlet end of the waterdistribution tank, a water outlet of the vertical flow artificial wetland is communicated with the water inlet end of a water distribution channel, the water outlet end of the water distribution channel is communicated with t