An optimization model of sewage discharge in an urban wetland based on the multi-objective wolf pack algorithm

  • Ming DouEmail author
  • Ruipeng Jia
  • Guiqiu Li


The Longfeng Wetland of Daqing City in China was taken as the research object to determine a reasonable sewage reduction scheme and resolve the pollution of urban wetland ecosystems. First, the main pollutants, including dichromate oxidizability (CODCr), ammonia nitrogen (NH3-N), total phosphorus (TP), and petroleum, were selected as indices. A two-dimensional hydrodynamic and water quality coupling model was established using MIKE 21. An optimal regulation method to improve the water quality of the wetland was then proposed following the numerical simulation method, and a multi-objective optimization model is established. The model establishes two objective functions based on wetland pollutant and water quality requirements. The model’s constraints include hydrodynamic conditions and water quality conditions, and it considers the control point of the sewage concentration, sewage outfall processing capacity, depth of treatment, and changes in the water cycle. The wolf pack algorithm is introduced to resolve the multi-objective problem of sewage outfall optimization, and an optimal sewage scheme is obtained. According to the results of the scheme, some measures are proposed to manage the pollutants in urban wetland waters.


Two-dimensional water quality simulation Scheme selection Sewage water management Wetland ecosystem 



The research was supported by the National Natural Science Foundation of China (Nos. 51679218 and 51879239), the Program for Science & Technology Innovation Talents in Universities of Henan Province (No. 17HASTIT031), and the Outstanding Young Talent Research Fund of Zhengzhou University (No. 1521323001).


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.School of Water Conservancy Science and EngineeringZhengzhou UniversityZhengzhouChina
  2. 2.Zhengzhou Key Laboratory of Water Resource and EnvironmentZhengzhouChina
  3. 3.Henan Key Laboratory of Groundwater Pollution Prevention and RehabilitationZhengzhouChina

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