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首页> 外文期刊>International Journal of Environmental Science and Technology >Comparative environmental life cycle assessment of phosphorus recovery with different generations of the AirPrex((R)) systems
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Comparative environmental life cycle assessment of phosphorus recovery with different generations of the AirPrex((R)) systems

机译：用不同一想的Airprex（（r））系统的磷恢复的比较环境生命周期评估

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摘要

Phosphorus (P) recovery through struvite is already both technically and economically feasible. This has been proved by more than 40 large-scale plants worldwide. However, when designing and implementing these P-recovery technologies, the environmental effects need to be considered. Therefore, a comparative environmental life cycle assessment of phosphorus recovery with different generations of the AirPrex((R)) reactors at WWTP Wassmannsdorf and Amsterdam West was carried out in this study. Results show that both AirPrex((R)) configurations with 1 reactor and 3 reactor have positive energy benefits and better environmental credits for the global warming potential (GWP), freshwater eutrophication potential, and marine eutrophication potential. The 3-reactor configuration shows better results in cumulative energy demand with 35% improvement of energy surplus, 36% reduction of GWP and less eutrophication potential. These improvements are mainly due to optimized struvite precipitation and harvesting and show that technology can be developed further, especially in plant operation and not only in the laboratory or pilot plant.
机译：通过Struvite恢复磷（P）已经在技术上和经济上可行。这已在全球40多种大型植物证明。但是，在设计和实施这些P恢复技术时，需要考虑环境效应。因此，在本研究中，在WWTP Wassmannsdorf和Amsterdam West中使用不同几代Airprex（（R））反应器的比较环境生命周期评估。结果表明，气球（（r））具有1个反应器和3个反应器的配置具有阳性能量效益和更好的环境学分，用于全球变暖潜力（GWP），淡水富营养化潜力和海洋富营养化潜力。 3-反应器配置表明，累积能源需求的较好结果具有35％的能量盈余，GWP减少36％，富营养化潜力较低。这些改进主要是由于优化的Struvite降水和收获，并且表明技术可以进一步发展，特别是在植物操作中，不仅在实验室或飞行员植物中。

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