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 interesting article discusses the opportunities of reusing sewage treated water in cities in India, describing as well the different technologies available (including SBR) and the costs related to the production of sewage treated water.
HINGORANI, P. (2011): The Economics of Municipal Sewage Water Recycling and Reuse in India. In: India Infrastructure Report: , 312-322.