The aim of this document is to provide an overview of the possibilities for resource recovery from sanitation and provide guidance on treatment processes to achieve safe products for reuse. The focus of this document is on resource recovery from the organic wastes managed in sanitation systems and, to a lesser extent, on the recovery of water and energy generation. Resource recovery sanitation …
The 2017 edition of the United Nations World Water Development Report (WWDR) explores the issue of wastewater and its potential as a sustainable resource. However, the findings show how much work has to be done: “Worldwide, the vast majority of wastewater is neither collected nor treated. Furthermore, wastewater collection per se is not synonymous with wastewater treatment. In many cases, …
This discussion brief introduces a new tool being developed in the SEI Initiative on Sustainable Sanitation.
There is increasing interest in the concept of the circular economy and “closing the loop” in our use of various vital resources – including water, energy and mineral resources. This is driven not only by an interest in reducing the social and environmental damage linked to …
Few areas of investment today have as much to offer the global shift towards sustainable development as sanitation and wastewater management.1 Gaps in access to decent, functioning sanitation are clear markers of inequality and disadvantage. Unsafe management of excreta and wastewater expose populations to disease,
and degrade ecosystems and the services they provide. At the same time, there is …
In Kampala, about 90% of the people rely on on-site sanitation solutions, which cannot be considered “improved” or “acceptable” in most cases: too many households share one toilet; pit-latrines are unlined, filled with solid wastes, and hard to access for emptying services, ultimately leading to filled-up facilities that are either abandoned or directly emptied into the environment, …
Water is key to food security and nutrition. However there are many challenges for water, food security and nutrition, now and in the future, in the wider context of the nexus between water, land, soils, energy and food, given the objectives of inclusive growth and sustainable development. In this context, in October 2013, the Committee on World Food Security (CFS) requested the High Level Panel …
Volume 4 of the Guidelines focuses exclusively on the safe use of excreta and greywater in agriculture. Recent trends in sanitation, including ecological sanitation, are driven by rapid urbanization. The momentum created by the Millennium Development Goals is resulting in dramatic changes in human waste handling and processing. New opportunities enable the use of human waste as a resource for …
Share this page on