This presentation is adapted from the Ecosan Curriculum 2.2. The ecosan curriculum was created in order to compile the large amount of information on ecological sanitation in a structured and comprehensive way. This is a summary about the various Ecosan (or more: sustainable sanitation) systems.HEEB, J. JENSSEN, P. GNANAKAN, K. CONRADIN, K. (2007): M3: Ecosan Systems and Technology Components. M 3-2: Ecosan Technologies to Close the Water Loop. In: HEEB, J. ; JENSSEN, P. ; GNANAKAN ; CONRADIN, K. ; (2008): Ecosan Curriculum 2.3. Switzerland, India and Norway: .