For information and contact: naam[At]nienhuys.info

Journey of the fly poster. 1 MB.
Showing two sites, one clean and one dirty. Keeping a village clean requires that all villagers work together. The same applies to other environmental issues such as sewerage disposal, firewood collection, grazing, water management and thermal insulation.

For larger format of the same poster, 7.3 MB.

Development of a poster for community participation in settlement upgrading  and related to sanitation Journey of the Fly text 1.2MB, (3 pages)


Project under development in Tamil Nadu, India where ecosanitation (urine separation) is linked to biogas installation, also processing kitchen waste. Urine is used in diluted form as fertilizer for banana plantations. The biogas is used at the nearby school for cooking lunches and the purified effluent is used for tree plantations.


University (ITT)  is developing the urine bank project and the production of Struvite cristals as dry fertilizer.

To be filled in with details about executed ecosan sanitation projects.

Consultancy for WASTe on the development of ecosanitation linked to biogas project in Tamil Nadu

Development of ecosan urine diversion projects in high altitudes of Pakistan and Tajikistan ongoing.



Work on Ecosan in Sri Lanka, Jaffna
Toilet plate for Ecosan project Tajikistan, Pakistan