Treatment and Purification

Sundrerajan Krishnan,et al, study the recent spread of reverse osmosis technology for treating domestic water in Gujarat and analyse various economical, social and cultural factors associated with it. They express concern over safe disposal of the effluent water generated by these RO plants.

Sujala Scheme: The Byyraju Foundation's manual for setting up a locally managed, rural drinking water plant. The Foundation's drinking water initiative covers 154 villages across five districts of Andhra Pradesh via 31 village-level treatment plants.
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Byrraju Foundation website

The Indian Institute of Technology, Madras, Technology for Sustainable Development and the Ecole Polytechnique Federale de Lausanne EPFL have produced a report titled Integrated Approaches for Sustainable Development in Water Resources Sector.

The monitoring of water quality at the community/cluster or district level involves key processes including survey, processing of data, and implementing remedial and preventive action.

This presentation by Dipanjan Das and Shashank Jain, School of Planning and Architecture, New Delhi deals with their urban design encompassing the Central Ridge in New Delhi and its integration with the surrounding densely populated urban areas.

The industry that currently does not treat or recycle any water. The treatment tank occupies less than 3 m2 floor area and the entire system costs less than Rs 1,00,000 to implement.

In this presentation Debadutta Parida and Shivani Satpathy of CET Bhubaneshwar have taken up a 8.3 acre existing site in Rourkela with housing and residential use and an artificial pond to preserve groundwater, increase the water table level, prevent soil erosion and flooding.

This handbook published by Bremen Overseas Research and Development Association (BORDA) is an outcome of a project titled “Low Maintenance Wastewater Treatment Systems - LOMWATS; Development of  Technologies and Dissemination Strategies.” The project had been financed by the Commission of the European Union, with substantial contribution by the State Office for Development Co-operation of the Free Hanseatic City of Bremen from October 1994 until April 1998.

This book aims at a target group, which is typical for decentralised technology implementation and consists of  people who are aware of the general problem and know something about possible solutions. However, their knowledge is too general on one hand, or too specialised on the other to master very typical problems which go together with decentralisation.

Development Alternatives did a survey of water quality in various areas of Delhi through its Clean India Campaign. The results are presented as a software application. The application can be downloaded and installed on your computer.

Mr. S.S. Ranganathan, author of this guest post, is a retired senior executive of Ion Exchange and currently a consultant based in Bangalore.

He can be reached at: ss.ranganathan@gmail.com , +91-9343734229

WATER SECURITY FOR THE RESIDENTS OF APARTMENTS & GATED COMMUNITIES -  S.S.Ranganathan