Xiamen, China


Integrated in its urban environment with a compact footprint, the Xiamen plant daily discharge 300 000 m3 of highly depolluted effluent to the sea, thanks to nitrification – denitrification treatment through BIOFOR® technology.


The plant is the result of a fruitful collaboration between the city of Xiamen (Fujian province) and Degrémont, started in 1992 with the construction of a conventional primary treatment line, followed by another 100 000 m3/d primary treatment line through SEDIPAC 3D technology. 


Xiamen_004.jpg  Xamen_021.jpg


Construction of the biological treatment phase began in April 2004 and was completed in December 2006. Degrémont’s scope of works in the contract includes process design, project management, delivery of equipment to site, civil works checking, supervision of erection, commissioning and training.


Treatment LINE

  • Primary clarification
  • Fine screening
  • Biological treatment:

2 x 7 Biofor® DN: 86.5 m2 / unit
2 x 14 Biofor® CN: 86.5 m2 / unit
2 x 4 aeration system - Q = 25 000 Nm3/h per line

  • Dissolved air flotation: 2 x Sediflotazur Ø 20 m
  • Chemical dosing: methanol, ferric chloride, polymer



more information


Guangdong Degrémont WEC

8F, Building A, Sui Feng Plaza, 7
5 Xian Lie Zhong Lu,
510095 Guangzhou


Tel: 86 20 8732 6200
Fax: 86 20 8732 3648