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World conference tackles sanitation issues

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Aussie Austin
CSIR Building & Construction Technology
Tel: +27 12 841-2568

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JULY 2005 ISSUE

CSIR


World conference tackles sanitation issues Print friendly version




Aussie Austin, EcoSan Conference Chairman with Derek Hanekom, Deputy Minister of Science and Technology.
There are 1,2 billion people in the world today without access to safe drinking water, while 2,6 billion people do not have access to proper sanitation. In addition, 50% of solid wastes remain uncollected. The development of appropriate technical options and implementation methods to address these concerns were discussed recently at the Third International Conference on Ecological Sanitation, organised by the CSIR, under the auspices of the Department of Water Affairs and Forestry.

Delegates from 27 countries attended the conference, which took place from 23 to 26 May 2005 at the International Convention Centre in Durban. Local stakeholders supporting the event included the Water Research Commission, the South African Institution of Civil Engineering, Rand Water, eThekwini Municipality (Durban), the Water Institute of South Africa and the Department of Science and Technology.

The Millennium Development Goals were agreed to in 2000 when all United Nations member states pledged to reduce by half the proportion of people without access to safe drinking water by 2015. At the WSSD in 2002, it was further agreed to reduce by half the proportion of people without basic sanitation by 2015. The development of appropriate technical options and implementation methods plays a pivotal role in meeting these objectives. The conference considered how ecological sanitation (EcoSan) can assist in meeting these objectives.

EcoSan approach

EcoSan can be viewed as a three-step process: containment, sanitation and recycling of human excreta. The objective is to protect human health and the environment while reducing the use of water in sanitation systems and recycling nutrients to help reduce the need for artificial fertilisers in agriculture. EcoSan represents a conceptual shift in the relationship between people and the environment, and is built on the necessary link between people and soil.

The EcoSan approach to sanitation promotes a cycle, or 'closed' system, where human excreta are treated as a resource. Excreta are processed on site and then, if necessary, further processed off site until they are completely free of disease organisms. The nutrients contained in the excreta are then recycled by using them as fertiliser in agriculture.

Ecological sanitation is being used by vast numbers of people across the world. The ecological sanitation philosophy encompasses an alternative approach to sanitation that is aimed at protecting the environment. In Sweden and Germany great strides have been made in the implementation of ecological sanitation. In countries such as Zimbabwe, Ethiopia, Mexico, El Salvador and China, hundreds of thousands of people are serviced by ecological sanitation systems at very little cost to the environment.

Download the following paper in pdf format:
Urine Diversion In South Africa: Is This A Solution? by Gertrude Matsebe and Louiza Duncker [File size 137KB]

Related links:

  • EcoSanRes
  • Third International Ecological Sanitation Conference

    Meet the team:

    Aussie Austin

    Gertrude Matsebe

    Louiza Duncker
    Conference Chairman Co-authors of the abovementioned paper

    Enquiries:
    Aussie Austin
    CSIR Building and Construction Technology
    Tel: +27 12 841-2568
    Fax: +27 12 841-3504
    Email: aaustin@csir.co.za

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