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Cost-effective water re-use by membrane technology

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Water scarcity is a global issue. Water is used extensively all around the world by municipalities, water intensive industries and agriculture. Fresh water sources are limited and there are regions in which it is not any more available. Customers who use water need new solutions and approaches in order to secure their customers´ well-being.  

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The Energy Factory

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Effluent contains energy. Sewage Treatment Plants (STPs) receive large quantities of a source of energy: effluent. So why not use the energy that comes in at one end, to supply energy to processes that require energy at the other? This is already taking place at the bigger STPs, but could be rolled out more widely. In theory, wastewater contains 8 times more energy than is needed to purify it. Technically, it is possible to change the energy balance from -100% to +200%!

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Program for the structuring of the fecal sludge market for the benefit of poor households in Dakar slums, Senegal.

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The purpose of this project is to improve the health and standard of living of inhabitants of low-income peri-urban neighborhoods of Dakar and the inhabitants of five secondary cities (Diourbel, Mbacké, Mbour, Tivaouane and Richard Toll) by improving access to hygienic and financially affordable sanitation services. This program, which is led and managed by the National Office for Sanitation of Senegal (ONAS), will:

  • Encourage growth in the private sanitation services sector:
  • Improve the quality of desludging services by private operators;
  • Increase demand for mechanized desludging services through improving access to information and awareness;
  • Increase accessibility and performance of fecal sludge treatment plants;
  • Franchise management of fecal sludge treatment plants to a dynamic private sector.

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Simple and Low Cost Fixed Film Bio-Reactors for Improved Wastewater Treatment

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Wastewater Lagoon efficiency can be dramatically improved by promoting the growth and development of beneficial microbial colonies. Diverse bacterial colonies consume water-borne contaminants, but such colonies can only exist within a thin bio-film attached to submerged surfaces. Beneficial bio-films thrive when they are protected from sunlight, and exposed to optimal degrees of aeration and nutrient mixing.

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