Perspectives are different frameworks from which to explore the knowledge around sustainable sanitation and water management. Perspectives are like filters: they compile and structure the information that relate to a given focus theme, region or context. This allows you to quickly navigate to the content of your particular interest while promoting the holistic understanding of sustainable sanitation and water management.
This PDF-presentation gives a good introduction to biogas sanitation as a sustainable and ecological sanitation approach. Basic principles and main features are illustrated. Some design considerations are also addressed.
MANG, H. P. (2005): Biogas Sanitation Systems. (= Ecological sanitation course ). Beijing: Chinese Academy of Agricultural Engineering