The Shougang Group is an industrial steel enterprise occupying 800 ha in Beijing that will cease production by 2010. The area will be converted to a new financial and commercial zone. The rebuilding of the water infrastructure in this area should address water shortages in Beijing and retain the industrial landmark of a large cooling water tank. A design framework and an assessment system with 11 indicators were developed for this purpose. Four reconstruction schemes are presented here. Scheme 1 is a traditional system that completely depends on outside the municipal facility. Schemes 2, 3, and 4 are systems to separately discharge greywater and blackwater. Scheme 4 uses a vacuum system that allows the reclamation of nutrients. Schemes 2 and 4 use wetland-treated greywater to fill the water tank. Scheme 3 reuses greywater for toilets after on-site treatment. Scheme 2 is recommended due to its lower cost, greater environmental benefit, moderate resource reclamation, and higher technical feasibility.
Design and assessment of urban drainage and water reuse systems for the reconstruction of formerly industrial areas: a case in Beijing
L. Liu, S. Zeng, X. Dong, J. Chen; Design and assessment of urban drainage and water reuse systems for the reconstruction of formerly industrial areas: a case in Beijing. Water Sci Technol 1 January 2013; 67 (1): 55–62. doi: https://doi.org/10.2166/wst.2012.516
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