Abstract
This paper explores the experiences of partners in the multi-national, EU-funded INNOQUA project, who have developed and are currently demonstrating the potential for novel nature-based, decentralised wastewater treatment solutions in ten different countries. Four solutions are under investigation, each at different Technology Readiness Levels (TRLs): Lumbrifilter; Daphniafilter; Bio-Solar Purification unit; UV disinfection unit. An overview of the solutions is provided, along within data from pilot sites. The project is currently entering an intensive demonstration phase, during which sites will be open for visits and act as the focus for training and dissemination activities on sustainable wastewater treatment. Barriers to market for nature-based solutions are also explored.
Highlights
This paper explores the experiences of partners in the multi-national, EU-funded INNOQUA project, who have developed and are currently demonstrating the potential for novel nature-based, decentralised wastewater treatment solutions in ten different countries
The results presented are from samples taken in the period July to October 2019
The results demonstrate that once steady-state operation is achieved, the Lumbrifilter delivers consistently high nitrification
Summary
This paper explores the experiences of partners in the multi-national, EU-funded INNOQUA project, who have developed and are currently demonstrating the potential for novel nature-based, decentralised wastewater treatment solutions in ten different countries. Whilst the need to provide access to safe and sustainable sanitation is pressing, there is increasing recognition that solutions cannot always be based on conventional sewer-based systems. Challenges such as the lack of stable electricity supplies, spare parts and suitably-trained operators all indicate a preference for nature-based, decentralised approaches. Such approaches can avoid chemical dosing and be adapted to meet local treatment requirements (be they for greywater, blackwater or faecal sludge). Where collective wastewater treatment may not be obligated, but where other drivers—such as the need rural areas [3] where collective wastewater treatment may not be obligated, but where other drivers—
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