Reclaimed Water Use and Energy Consumption: Case Study in Hotel Industry, Beijing

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• 关键词：Energy consumption ; Hotel industry ; Reclaimed water ; Safety coefficient β ; Water balance ; Water recycling
• 刊名：The Handbook of Environmental Chemistry
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：47
• 期：1
• 页码：57-81
• 全文大小：1,952 KB
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• 作者单位：Yuan-sheng Chen (5)
  Long-teng Zhu (6)
  Jian-ming Che (7)
  Rui-rui Hao (7)
  Tian Shen (8)
  Qian Zhang (5)
  
  5. Institute of Geographical Sciences and Natural Resources Research, CAS, Beijing, 100101, China
  6. Department of Planning and Design, Huaihe Basin Water Resources Bureau of Shandong Province, Jinan, 250100, China
  7. Beijing Water Conservation and Management Centre, Beijing, 100036, China
  8. Nanjing Water Supply and Saving Management Division, Nanjing, 210004, China
  
• 丛书名：Sustainable Water Management in Urban Environments
• ISBN：978-3-319-29337-0
• 刊物类别：Earth and Environmen
• 刊物主题：Environment
  Waste Water Technology, Water Pollution Control, Water Management and Aquatic Pollution
  Geoecology and Natural Processes
  Monitoring, Environmental Analysis and Environmental Ecotoxicology
  Atmospheric Protection, Air Quality Control and Air Pollution
  Environmental Management
  
• 出版者：Springer Berlin / Heidelberg
• 卷排序：47

文摘

Analyzing the relationship between water balance and energy consumption for buildings’ reclaimed water systems is useful in sustainable management of urban water. This chapter discusses the water balance and energy consumption relationship for reclaimed water systems, constructing a safety index for the hotel industry in Beijing. This chapter also analyzes the energy consumption intensity, the corresponding quantitative relationship with water quantity and the major points of energy consumption, providing a reference model for research and analysis of the water balance energy consumption relationship for other reclaimed water systems. Based on our investigation: (1) The average energy consumption intensity of hotels’ reclaimed water systems is 1.02 kWh/m3, which is 2.5 times higher than urban wastewater treatment plant; (2) air blowers and recycle pumps are major energy consumers in hotel reclaimed water systems; (3) we introduce an energy consumption intensity power function for hotel reclaimed water system design; (4) we developed a safety coefficient β, which reflects the degree of safety, stability, and high efficiency of the system; and (5) we make recommendations for improving reclaimed water use system efficiencies.