The project team of CuveWaters, led by ISOE – the Institute for Social-Ecological Research, has succeeded in turning wastewater into a resource in this most arid region of the world, so that processed wastewater from sanitary facilities can be used for agricultural purposes.
Communal sanitation facility in Outapi/Namibia
The project partners TU Darmstadt (Institute IWAR), Bilfinger Water Technologies and the ISOE are presenting the sanitation concept at the 9th IWA International Water-Reuse Conference in Windhoek/Namibia.
Approximately 850,000 people live in central northern Namibia. About 40 percent of the population in urban areas don’t have access to adequate sanitary facilities. In order to improve the sometimes dramatic situation for the population, the „Namibian Sanitation Strategy“ recommends using efficient flushing toilets in conjunction with innovative wastewater technologies.
As a result, the CuveWaters team has developed a novel sanitation concept plus vacuum system within the framework of an integrated water resources management (IWRM): The sanitary facilities are part of a complex disposal, treatment and re-use system that has been developed together with the local population and with Namibian partners from government and industry.
Energy efficient: Sanitation concept with water re-use in Outapi
The small city of Outapi (Omusati Region) was chosen as the site to implement the sanitation system with water re-use. It is home to 4,600 people, of whom 1,500 have been using the new sanitary facilities in a pilot plant since the beginning of 2013. The official handover of this plant to the municipal administration is now coming up on November 1st. The energy-efficient sanitation and wastewater concept in Outapi works this way: A vacuum system transports the wastewater from settlements in Outapi to a processing plant, where it is purified.
A multi-step purification process produces hygienically impeccable irrigation water. Together with the nutrients, the purified water is then used in the fields. A farmers’ cooperative works this land and sells the crops at local markets. Biogas is also won in the course of the purification process, which is used to generate power and heat. This covers a percentage of the operating energy of the vacuum canalisation and the wastewater treatment plant.
Promoting millennium goals through the transfer of technology and knowledge
The innovative concept isn’t just ideal for small rural settlements, but also opens up completely new perspectives for rapidly growing urban areas in particular. Within this context it is vitally important to involve the local population, as well as training and educating them. “Together with the ‚Community Health Clubs‘ which have arisen locally and which help people with hygiene issues, CuveWaters also makes sure that knowledge transfer takes place, in addition to technology transfer,” says project leader Thomas Kluge (ISOE).
The cultivation of agricultural areas also opens up new sources of income for farmers. “Altogether, this allows us to improve the living conditions of the population over the long term and make a contribution to reaching the millennium goals, which also include safeguarding health.”
CuveWaters will be presenting its project results together with the Outapi city administration at the Water Reuse Conference 2013 in Windhoek. CuveWaters is a joint project of ISOE in Frankfurt am Main/Germany and the Technische Universität Darmstadt/Ger¬many. It is being funded by the German Federal Ministry of Education and Research (BMBF). Namibian cooperation partners include the Ministry of Agriculture, Water and Forestry (MAWF), Outapi Town Council and the Desert Research Foundation of Namibia (DRFN).
CuveWaters at the IWA Reuse Conference in Windhoek, October 28th-31th 2013Contact in Namibia:
Dr. Nicola Schuldt-Baumgart | idw
Invasive Insects Cost the World Billions Per Year
04.10.2016 | University of Adelaide
Malaysia's unique freshwater mussels in danger
27.09.2016 | The University of Nottingham Malaysia Campus
Ultrafast lasers have introduced new possibilities in engraving ultrafine structures, and scientists are now also investigating how to use them to etch microstructures into thin glass. There are possible applications in analytics (lab on a chip) and especially in electronics and the consumer sector, where great interest has been shown.
This new method was born of a surprising phenomenon: irradiating glass in a particular way with an ultrafast laser has the effect of making the glass up to a...
Terahertz excitation of selected crystal vibrations leads to an effective magnetic field that drives coherent spin motion
Controlling functional properties by light is one of the grand goals in modern condensed matter physics and materials science. A new study now demonstrates how...
Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...
In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.
A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...
By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.
"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...
14.10.2016 | Event News
14.10.2016 | Event News
12.10.2016 | Event News
27.10.2016 | Life Sciences
27.10.2016 | Life Sciences
26.10.2016 | Power and Electrical Engineering