Table of contents
Abstract english .......................................................................................................................... 3
Abstract german ......................................................................................................................... 5
Table of contents ........................................................................................................................ 7
Glossary .................................................................................................................................... 8
1 Introduction ......................................................................................................................... 9
1.1 Background, objective and content............................................................................... 9
1.2 Limitations .................................................................................................................. 11
1.3 Acknowledgement ...................................................................................................... 12
2 Theoretical background and methods ............................................................................... 13
2.1 Business plan, market potential and segmentation..................................................... 13
2.2 Investment comparison method.................................................................................. 14
2.3 Survey and stakeholder selection............................................................................... 15
3 Centralized and decentralized sanitation in China ............................................................ 17
3.1 Centralized sanitation ................................................................................................. 18
3.2 Decentralized sanitation ............................................................................................. 25
3.3 Conclusion: Sanitation system.................................................................................... 32
4 Membrane technology in decentralized application........................................................... 33
4.1 Membrane technology in general and in China........................................................... 33
4.2 TEDE concept ............................................................................................................ 37
4.3 Large-scale production ............................................................................................... 43
4.4 Conclusion: Technology ............................................................................................. 46
5 Market assessment for TEDE in China ............................................................................. 47
5.1 Market segmentation .................................................................................................. 47
5.2 TEDE market quantification ........................................................................................ 51
5.3 Conclusion: Market..................................................................................................... 54
6 Conclusions ...................................................................................................................... 55
6.1 Conclusions on environmental / social aspects .......................................................... 55
6.2 Conclusions on technical aspects............................................................................... 56
6.3 Conclusions on economic aspects.............................................................................. 57
Annex ...................................................................................................................................... 59
List of Figures ........................................................................................................................... 65
References ............................................................................................................................... 66