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Water Reuse in Tunisia

Due to population growth, climate change and deteriorating water quality, Tunisia and other countries in the Maghreb region are facing difficulties in meeting the demand for fresh water resources for agriculture. Therefore, safe and sustainable approaches for the reuse of treated wastewater are needed.


WaterReTUNe will develop and demonstrate innovative technologies for the post-treatment and recycling of treated wastewater in Tunisia. The aim is to develop a process chain for the agricultural use of treated wastewater by combining Nature Based Solutions (NBS), a membrane treatment system for the production of high quality reuse water, innovative brine treatment for nutrient recovery and low tech aquaponics production.

In addition, an action plan for the economic and structural strengthening of the project approach will be developed in cooperation with representatives from science, politics, business and society.

Current Status and Outlook

At the beginning of the project in October 2019, a two-week workshop with all project partners took place at the pilot plant from the BMBF project awaregio. This enabled a transfer of know-how and the implementation of preliminary studies, which formed the basis for the development of a concept adapted to Tunisian conditions. At the test site of the Tunisian partners the pilot plant WaterReTUNe will be combined with an existing NBS system in 2020.


Dr.-Ing. Henry Riße
+49 241 80 2 68 18 / E-Mail

Dr. sc. Dipl.-Ing. Frank-Andreas Weber
+49 241 80 2 68 25 / E-Mail

Dipl.-Ing. Manuel Krauß
+49 241 80 2 68 43 / E-Mail


Federal Ministry of Education and Research Germany (BMBF)


TERRA URBANA Umlandentwicklungsgesellschaft mbH (TUG); Centre des Recherches et des Technologies des Eaux (CERTE); Art des Jardins (ADJ)


Office National de l’Assainissement (ONAS), Tunis; Groupement de Développement Agricole (GDA) Sidi Amor; Djebel Sidi Amor; Institut National Agronomique de Tunisie (INAT), Tunis


Project flyer (EN)

PDF (1,8 MB)