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 still under construction


Albert Einstein: “Everything should be made as simple as possible, but not simpler.”


Low-Tech-Solution with High-Tech-Effects
inspired by C2C
(Circular Economy)


"simple" sanitation systems with minimum external energy input or much better, just gravity driven


DIBT-Zulassungen 'national technical approvals'



anaerobic baffled reactor (ABR) 

ecosan - closing the loop in wastewater management und sanitation


Dodkins, I.R. and Mendzil, A, F. (2014) Floating Treatment Wetlands (FTWs) in Wastewater Treatment: Treatment efficiency and potential benefits of activated carbon. Report by Sustainable Expansion of the Applied Coastal and Marine Sectors (SEACAMS), Swansea University, UK, pp.44. url: http://frogenvironmental.co.uk/research-paper/floating-treatment-wetlands-ftws-wastewater-treatment-treatment-efficiency-potential-benefits-activated-carbon/


How to build Floating Islands naturally – bringing back the lost art of Chinampas:



Private WEB-page inEnglish