A model for analyzing water reuse and resource recovery potential in urban areas

Author:

Thoren Ryan I.1,Atwater Jim1,Berube Pierre1

Affiliation:

1. Department of Civil Engineering, The University of British Columbia, 2002-6250 Applied Science Lane, Vancouver, BC V6T 1Z4, Canada.

Abstract

Expansion and densification of urbanized areas can lead to increased pressure on an area’s water and wastewater infrastructure. This paper presents an optimization model using geographic information systems to locate potential sources and sinks of reclaimed water within an urbanized area. A mathematical solver then maximizes the water reuse using a set of constraints on mass balance, water quality, and electricity used for pumping. Three variations of the model are applied to Vancouver, British Columbia. The first scenario identifies a number of potential industrial sources and sinks for direct cascading with a total potential water savings of 133 400 m3/year. With the implementation of a satellite water reclamation facility in scenario 2, water recycling potential is increased to a maximum of 613 800 m3/year. Scenario 3 expands to include the non-industrial water users and the potential for water reuse is increased to a maximum of 969 200 m3/year.

Publisher

Canadian Science Publishing

Subject

General Environmental Science,Civil and Structural Engineering

Reference12 articles.

1. Asano, T., Burton, F.L., Leverenz, R., and Tchobanoglous, G. 2007. Water Reuse: Issues, Technologies, and Applications. McGraw-Hill, New York.

2. British Columbia Ministry of Environment. 2001. Municipal Sewage Regulation - Code of Practice for the Use of Reclaimed Water.

3. Casavant, T.E. 2000. The Role of Chemical Process Simulation in the design and Operation of Industrial Ecosystems. Dalhousie, Environmental Studies. Halifax. MES Thesis: 179.

4. Using chemical process simulation to design industrial ecosystems

5. A Review of Water Reuse and Recycling, with Reference to Canadian Practice and Potential: 2. Applications

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