What is it about?

Source-separation has thus far been addressed mainly within the context of decentralization in new development areas; centralized approaches for resource-oriented sanitation remained, however, largely disregarded. In this paper, the effects of on-site greywater recycling upon the operation of conventional wastewater treatment plants (WWTP) were assessed and discussed. The calculations show that, under consideration of specific boundary conditions, existing WWTP can be successfully integrated in transition concepts for resource-oriented sanitation.

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Why is it important?

The future of wastewater treatment will be defined by both decentralized and centralized approaches. This paper shows that conventional centralized wastewater treatment plans can be successfully integrated in transition concepts for resource-oriented sanitation.

Perspectives

I hope this article can contribute to the scientific discussion about resource-efficiency in existing wastewater infrastructures.

Carlo Morandi
Technische Universitat Kaiserslautern

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This page is a summary of: How does greywater separation impact the operation of conventional wastewater treatment plants?, Water Science & Technology, April 2019, IWA Publishing,
DOI: 10.2166/wst.2019.165.
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