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- W4322102466 endingPage "100258" @default.
- W4322102466 startingPage "100258" @default.
- W4322102466 abstract "Although phosphorus (P) recovery and management from sewage sludge are practiced in North America and Europe, such practices are not yet to be implemented in China. Here, we evaluated the environmental sustainability opportunity and socio-economic costs of recovering P from sewage sludge by replacing the current-day treatments (CT; sludge treatment and landfill) and P chemical fertilizer application (CF) in China using life cycle assessment and life cycle costing methods. Three potential P recovery scenarios (PR1‒PR3: struvite, vivianite, and treated sludge) and corresponding current-day scenarios (CT1‒CT3 and CF) were considered. Results indicated that PR1 and PR2 have smaller environmental impacts than the current-day scenarios, whereas PR3 has larger impacts in most categories. PR3 has the lowest net costs (sum of internal costs and benefits, 39.1-54.7 CNY per kg P), whereas PR2 has the lowest external costs (366.8 CNY per kg P). Societal costs for production and land use of 1 kg P by P recovery from sewage sludge (e.g., ∼527 CNY for PR1) are much higher than those of P chemical fertilizers (∼20 CNY for CF). However, considering the costs in the current-day treatments (e.g., ∼524 CNY for CT1), societal costs of P recovery scenarios are close to or slightly lower than those of current-day scenarios. Among the three P recovery scenarios, we found that recovering struvite as P fertilizer has the highest societal feasibility. This study will provide valuable information for improved sewage sludge management and will help promote the sustainable supply of P in China." @default.
- W4322102466 created "2023-02-26" @default.
- W4322102466 creator A5009282094 @default.
- W4322102466 creator A5010380615 @default.
- W4322102466 creator A5017055827 @default.
- W4322102466 creator A5033126650 @default.
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- W4322102466 creator A5052674715 @default.
- W4322102466 creator A5062577201 @default.
- W4322102466 creator A5073583116 @default.
- W4322102466 date "2023-10-01" @default.
- W4322102466 modified "2023-10-15" @default.
- W4322102466 title "Environmental sustainability opportunity and socio-economic cost analyses of phosphorus recovery from sewage sludge" @default.
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