Abstract
The stockbreeding industry is growing rapidly in rural regions of China, carrying a high risk to the water environment due to the emission of huge amounts of pollutants in terms of COD, T-N and T-P to rivers. On the other hand, as a typical biomass resource, stockbreeding waste can be used as a clean energy source by biomass utilization technologies. In this paper, we constructed a dynamic linear optimization model to simulate the synthetic water environment management policies which includes both the water environment system and social-economic situational changes over 10 years. Based on the simulation, the model can precisely estimate trends of water quality, production of stockbreeding biomass energy and economic development under certain restrictions of the water environment. We examined seven towns of Shunyi district of Beijing as the target area to analyse synthetic water environment management policies by computer simulation based on the effective utilization of stockbreeding biomass resources to improve water quality and realize sustainable development. The purpose of our research is to establish an effective utilization method of biomass resources incorporating water environment preservation, resource reutilization and economic development, and finally realize the sustainable development of the society.
Highlights
With the improvement in living standards, the demand for animal products has dramatically increased in rural areas in China
Based on the present technology and policies that the local government has adopted and the advanced technology that we introduced to the target area, the integrated water environment management policies used in the simulation were incorporated to reduce water pollutants for the target area
Based on the data processing and simulation, the comprehensive water environment management model results can provide a forecast of water pollutant generation and treatment, water quality improvement, economic development and biomass energy production in the simulation period (2011–2020) under certain cases
Summary
With the improvement in living standards, the demand for animal products has dramatically increased in rural areas in China. A feasible simulation should be constructed to realize the simultaneous pursuit of water environment preservation and economic development on the basis of characteristics of China Based on these considerations, this study utilized a dynamic optimization model to demonstrate water environment policies with the introduction of advanced stockbreeding biomass resource utilization technology to enhance the stockbreeding production and improve the water environment from sustainable development viewpoints. Considering the specific and special characteristics of China’s economy and social state in terms of sustained economic growth rate, financial subordination relations and regional water environment management policies, we improved the simulation model and focused on the evaluation of the harmonious development of water quality improvement and economic growth based on the utilization of stockbreeding biomass resources. Our principal goal here is to develop a mathematical optimization model by computer simulation in order to evaluate whether the integrated water environment management policies can satisfy the simultaneous pursuit of water environment preservation and economic development in the target area
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