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Full Description
The ebook edition of this title is Open Access and freely available to read online.
Globally, poor hygiene and sanitation contribute to more than 1,000 daily deaths from diarrhoeal diseases among children under the age of 5, while two thirds of urban wastewaters are discharged without treatment into lakes, rivers and coastal waters. Across Europe the percentage of the population connected to wastewater treatment plants varies from 14% to >99% with many reliant on unsuitable decentralised sanitation systems or no wastewater treatment at all. With less than a decade left to achieve the 2030 sanitation targets as set out in the Sustainable Development Goals, there is an urgent need to develop new treatment solutions that can be rapidly deployed to meet the needs of growing urban and peri-urban populations, together with under-served rural communities.
This book discusses decentralised wastewater treatment and the role of nature-based solutions within the context of the twenty-partner international INNOQUA project. INNOQUA set out to develop and demonstrate a suite of modular, low cost, decentralised solutions that use the combined capabilities of earthworms, bacteria, Cladocera and micro-algae to deliver nature-based primary, secondary and tertiary treatment - followed by UV disinfection. Design and operation principles are outlined, together with performance data and practical feedback from pilot and demonstration facilities situated in eleven countries from Ecuador to Scotland and India.
Barriers and drivers towards more widespread uptake of these technologies are also examined, alongside an exploration of existing markets for nature-based sanitation in the Global South.
Contents
Foreword
Chapter 1. Introduction to the INNOQUA project
Chapter 2. Drivers and Barriers towards a Sustainability Transition in the Wastewater Sector - A NEXUS perspective with nature-based solutions
Chapter 3. Why choose nature-based wastewater treatment systems?
Chapter 4. Nature-based wastewater treatment - overview & current common systems in the Global South
Chapter 5. Primary and secondary treatment: Vermifiltration
Chapter 6. Daphniafilter: a nature-based tertiary treatment
Chapter 7. Tertiary treatment: microalgae-based wastewater treatment
Chapter 8. Disinfection options for decentralised wastewater treatment
Chapter 9. INNOQUA - commercialisation opportunities
Afterword
