shanghai international urban water and wastewater treatment

shanghai international urban water and wastewater treatment
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  • What is the Shanghai sewage project?
  • In 1987, the $153 million Shanghai Sewage Project was launched to help build water and wastewater infrastructure in Shanghai . Under the project, combined sewerage system, long-distance transmission, and centralized treatment were adopted, and three sewerage collection catchments were constructed.
  • Does China have a water treatment plant?
  • Wastewater treatment plants (WWTPs) capacity has increased rapidly in China over the past decades to reduce water pollution ( Qu et al., 2019 ). The total treatment capacity in 2019 was 63 billion m 3, which was the largest of any country in the world ( MOHURD, 2025 ).
  • Why is disinfection important in sewage treatment in China?
  • Disinfection is a necessary part of sewage recycling and is also key to ensuring the safety of reclaimed water from pathogenic organisms. However, in the practice of sewage treatment in China, it is common to find disinfection facilities not being utilized or being employed without supervision.
  • How has wastewater treatment progressed in China?
  • Considerable progress has been achieved in wastewater treatment in China. The volume of treated wastewater has increased 1.1 times from 2009 to 2019. The mass of pollutants removed by wastewater treatment has also increased, as measured by six indices of pollutants (COD, BOD, SS, NH 3 -N, TN and TP) shown in Fig. 3 a.