Wastewater - Turning Problem to Solution
Recovery value propositions from wastewater and biosolids
Potable water recovery
Ladder of increasing value propositions related to water reuse, based on increasing investments in water quality and/or the value chain.
Water recovery for industry
Energy recovery and carbon credits
Fresh drinking water
Internal production of sh feed, sh or biofuel
Industrial production
Decreased internal or external energy demand
Nutrients and organic matter recovery
Treatment value proposition
Feedstock, protein and ethanol production
Avoided freshwater use
Water recovery for irrigation
Carbon emissions o set
Safe disposal for environmental health
Yield increase
Yield increase
Avoided eutrophication
Enhanced surface water quality
Avoided freshwater use
Soil amelioration
Environmental ows
Water reliability
Public health
Groundwater recharge
Source: International Water Management Institute in Wichelns et al. 2015
Figure 2.6: Increasing value propositions related to wastewater treatment based on increasing investments and cost recovery potential. Note: There is a need to reflect on balancing the value of resource recovered with the cost of treatment to produce it and the concept of fit for purpose.
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