Treatment and Purification

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Featured Articles
December 2, 2019 Water stewardship is an approach predicated on the concept that water is a shared resource and so water risks are also shared risks that everyone in a catchment will face
Picture credit: Romit Sen
November 21, 2019 A report by NIUA brings to light the chinks in Jaipur's sewage system and suggests some solutions.
Routine check done by the sewage treatment plant staff in Delawas, Jaipur. The plant is part of the ADB best practices projects list. (Image: Asian Development Bank, Flickr Commons)
November 18, 2019 Bangalore's water utility is understaffed, under financed and unable to service the city's water needs.
Image credit: Citizen Matters
November 13, 2019 Policy matters this week
A domestic RO water purifier
Seawater entering coastal towns in Goa causes big problems
Our first data story, which analyses the sea water intrusion in Goa, helps you look at this data in a simple way – analytically and visually. Posted on 01 Jul, 2013 03:18 PM

India waterportal’s data finder has over 300 datasets. A non-data or non-analytics person can feel overwhelmed trying to pull out important information and understand it.  A data story will help do just that.

Process explaining seawater intrusion
Everything you need to know about water purifiers
Water purifiers contain different types of filters but what kind of contaminant does each type filter out? What should you look for when buying a water filter for your home? Posted on 01 Jul, 2013 11:00 AM

Pure, clean and safe drinking water isn’t available easily these days. Growing population, industrial development and environmental degradation are all causes for this. Given this situation, it becomes even more important for us to be aware of purification techniques and the available water purifiers in the market to ensure that our drinking water is of good quality. 

Filter of a water purifier
Fight water-borne diseases before they happen
Diarrhoea, cholera and dysentery are often rampant after the monsoons. The state of Assam piloted a programme to teach people to prevent their occurrence rather than to treat the illness later. Posted on 25 Jun, 2013 11:07 PM

The monsoon brings with it water-borne diseases like diarrhoea, cholera and dysentery, which cause suffering and death. Although this is a recurring theme annually, not enough measures are taken to prevent this. The state of Assam decided to take some action in May of this year.

Mobile labs that tested water samples in Assam
Free online course on 'Introduction to water treatment', Delft University of Technology
A course that helps you learn about urban water services, focusing on basic drinking water and wastewater treatment technologies
Posted on 23 Jun, 2013 05:06 PM

Organisers 

Delft University of Technology

Duration of the course

10 weeks 

Estimated effort for the course 

About 10-12 hrs/week

About the course

Water treatment
Harvesting and using roof-top rainwater - Part 2
Are the filters used for rainwater harvesting easy to maintain? More importantly, how efficient are they in terms of minimising the waste water that flows out? Posted on 22 Jun, 2013 05:18 PM

This short note is a sequel to my earlier article which analysed the functioning and performance of my Roof-top Rainwater System using Rainy filter. While the earlier article narrated my initial observations on using the Rainy FL-100 filt

Delhi’s ground water hits rock bottom
Too many people, too much pollution and too little water – that's Delhi’s water supply situation in a nutshell. Posted on 20 May, 2013 12:40 PM

Green pastures and meadows, tall trees, lakes, wells and the river…those are my memories of Delhi. It wasn’t too long ago that one woke up early to the sounds of lawns being watered, children running off to school and people walking in the parks. A flurry of activity but quite different from what it is today.

A baoli (step well) in ruins
Expanding access to improved water sources through watercredit - A report on the stakeholders engagement forum, organised by water.org, New Delhi,19th February 2013
This one day session on the challenges faced in access to water and improved water sources through water credit initiatives was organised by water.org Posted on 22 Mar, 2013 09:33 PM

Uday Shankar from water.org welcomed the audience and introduced the issue of access to safe water and sanitation. Gary White, water.org, set the tone of the seminar by explaining his organisation’s vision of ‘getting safe water’ for everyone.

Traditional household water purification methods practised by rural communities in developing countries - A compilation by the Encyclopedia of Life Support Systems
What are the different ways through which water can be purified before it can be consumed? Read on to know more about the traditional and household water purification methods practised by rural communities in developing countries. Posted on 19 Mar, 2013 09:15 PM

This article published in the Encyclopedia of Life Support Systems includes a collation of traditional household water purification methods practised by rural communities in developing countries.

Water management - Mounting challenges and responses - A report on the three day seminar jointly organised by KSCSTE and C Achutha Menon Foundation, Trivandrum from the 21st to the 23rd December 2012
A 3 day national seminar organised for creating awareness and triggering a dialogue among scientists and lay people on the emerging challenges related to water resources, quality and conservation Posted on 14 Mar, 2013 10:12 PM

This three day national seminar was jointly organised by the Kerala State Council for Science, Technology and Environment (KSCSTE), Thiruvananthapuram, and the C Achutha Menon Foundation (AMF), Thiruvananthapuram, Kerala and included presentations and discussions on a range of water related themes such as water scarcity, water conservation, commercialisation of water, water conflicts and water management.

The seminar aimed at creating awareness and triggering a dialogue among scientists, academicians, researchers, activists, as well as lay people on the emerging challenges related to water resources, water quality and water conservation in the state of Kerala. The seminar was inaugurated by Shri V M Sudheeran, Ex MP and former speaker, while Dr Rajasekaran Pillai, Executive Vice President KSCSTE, delivered the keynote address with the felicitation by Shri M P Achuthan, MP.

The seminar included discussions under five different themes related to water issues that included water scarcity, water conservation, commercialisation of water, water as an new area for conflicts and water management.

Seminar on water management

The three day seminar on water management at the Achuta Menon Foundation, Trivandrum, Kerala

Conference report: The Anil Agarwal Dialogue on "Excreta does matter", organised by Centre for Science and Environment on 4-5 March 2013 at New Delhi
Where will India get its fresh water from in the coming years ? What is the state of the sewage system in the country ? Posted on 12 Mar, 2013 03:23 PM

A close examination of these two issues shows that the water and sewage challenge is already grave and could get worse. With this as the backdrop, Centre for Science and Environment (CSE), a public interest research and advocacy organisation based in New Delhi, organised a two day conference called the Anil Agarwal Dialogue on “Excreta does matter”. The conference took place at the Jacaranda Hall, India Habitat Centre, Lodhi Road, New Delhi on 4 and 5 March 2013.

The dialogue aimed at furthering the agenda of CSE’s seventh State of India’s Environment report titled Excreta Matters. This report is a comprehensive survey of the situation of water and wastewater management in 71 Indian cities. The study found that most cities lack a basic policy direction on how best to tackle issues of demand, supply and treatment of water, and of management of sewage. 

The Dialogue being the first of its kind brought together a wide range of professionals, activists, practitioners, policy makers, academicians, researchers and administrators from the water sector. The event was aimed at drawing attention on the critical issues of how cities will get affordable and sustainable water and waste systems that can supply to all and take back and treat the sewage of all.

CSE Conference logo