Discussion about Multi-objective Program and Design on Wastewater Reuse in the Ecological District

With the developing of society and the increasing of population, the scale and load of the urban sewage treatment plant increases constantly, systematic planning and design to the water reuse in the city become more and more important. The water reuse system has some advantages such as contraction facility; don’t influence street and decreasing investment, which is an effective way of alleviating the shortage question of urban water resource. Take ecology district as an example, utilization multiple goals grey decision to choice crafts can make the process system to obtain the society, environment, economic benefits optimization combination.

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