Treatment and Purification

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
Resources on water quality, public health and water safety from the World Water Day - UN Water website
The documents published on the UN Water website include a range of documents related to water quality, safety and use of waste water. Posted on 02 Jul, 2010 01:24 AM

Resources from the World Water Day - UN Water websiteThe UN-Water website's World Water Day 2010 section, provides access to a range of informative, educational and advocacy material on water.

The documents and publications section includes a range of documents related to water quality, drinking water quality and public health, and water safety planning and management including the safe use of wastewater for agriculture and aquaculture.

Skimming well technology for saline groundwater management
Skimming well is any technique employed with an intention to extract relatively freshwater from the upper zone of the fresh-saline aquifer. They are generally designed for irrigation or drinking water supply. Posted on 23 Jun, 2010 12:49 PM

The term skimming well is used for any technique employed with an intention to extract relatively freshwater from the upper zone of the fresh-saline aquifer. The types of skimming wells include: the conventional single strainer well, multi-strainers wells, scavenger wells, radial collector wells and dug wells.

A complete analysis of water should be done before finalising the water filter
There is a need for a complete analysis of water, that is checking TDS, fluorides, nitrates is to be done before finalising water filters Posted on 10 Jun, 2010 10:23 AM

Dear Users of IWP,

Clean drinking water using low-cost purification plants - A case study from the work of IFMR Trust and WaterHealth India in Andhra Pradesh
This field report describes the work of WaterHealth India (WHI), in organising safe drinking water using low-cost water purification units, in several villages of AP. Posted on 08 Jun, 2010 11:49 PM

This field report describes the work of WaterHealth India (WHI), in organising safe drinking water using low-cost water purification units, in several villages of Andhra Pradesh. The work was taken up with financial support from IFMR Trust.

Vinjinampadu village in Guntur district, Andhra Pradesh, is one of the villages where WHI worked to establish the unit. The village had lacked potable water supply, because of which its people suffered from a range of water-borne diseases. The situation was similar in many of the other villages in which WHI initiated this work.

Low-cost water purification plants in AP
Safe drinking water for all using a portable low cost solar disinfection unit - A research paper
This research paper describes the design and testing of a portable, low-cost, and low maintenance solar disinfection unit, that can provide potable water. Posted on 07 Jun, 2010 02:23 PM

This paper by A Jagadeesh of RMK Engineering College, describes the design and testing of a portable, low-cost, and low maintenance solar disinfection unit, that can provide potable water. This system was tested with bore water, well as well as with waste water. In 5 hours, the unit eradicated 99.99% of the bacteria contained in the water samples.

This unit can provide about 6 liters of pure drinking water and larger units can be fabricated for providing safe drinking water at a community level.

"Kochi: To Get Rs 100 Crore Modern Sewerage System" : Droplets (May '10)
The May'10 newsletter features story on Kochi's Rs100 crore modern sewerage system and other water news. Posted on 25 May, 2010 12:08 PM

Droplets newsletter

Highlights

  • Kochi: To Get Rs 100 Crore Modern Sewerage System
  • Punjab: Rs 53.58 Crore New Water Supply & Sewerage Project
  • Pune: To Construct 120 MLD Water Filtration Plant
  • Water.Org: Launches India WaterCredit Forum
Rainwater filtration from large roofs in polluted environments to potable quality
Posted on 21 Apr, 2010 05:25 PM

Is there anyone in India who is willing to develop a multi-stage Saferain unit with me?
Imagine a 5000 sq metre factory in New Delhi, (or Shanghai, or wherever).

The air is polluted, the roof is polluted, and, yet, I say that potable. or near so, can be delivered in a rain event. The following is a cut and paste. This is how it's

Press release : UL certifies Kimberlite Chemicals for health effects in drinking water
The press release is to announce that Kimberlite Chemicals India Pvt. Ltd., has received UL certification for its antiscalant water treatment chemicals. Posted on 20 Apr, 2010 11:25 AM

Underwriters Laboratories Certifies Kimberlite Chemicals for Health Effects in Drinking water

For Immediate Release

Underwriters Laboratories Certifies Kimberlite Chemicals for Health Effects in Drinking water
Kimberlite Chemicals Becomes First Indian Company to Earn UL
Certification for Antiscalant Water Treatment Chemicals

Bangalore, India, April 14 2010 – Underwriters Laboratories (UL), a global leader in drinking water quality and safety, today announced that Kimberlite Chemicals India Pvt.  Ltd., received UL certification for its antiscalant water treatment chemicals. Kimberlite’s antiscalant water treatment chemicals will now bear the UL Classified Water Quality Mark, indicating certification to ANSI/NSF Standard 60 for health effects.

UL launched its drinking water product certification program in India in 2009 and has been working with a number of Indian companies on a broad range of products including disinfection and oxidation chemicals, coagulants, drinking water treatment units, gaskets, butterfly valves, sediment filter cartridges and activated carbon.  Kimberlite, a renowned company known for its world-class technology product and service in the field of specialty chemicals and coatings, is the first Indian manufacturer to be certified through UL’s water program for antiscalant water treatment chemicals.

UL’s certification of Kimberlite’s antiscalant chemicals provides verification that these chemicals have been independently tested and validated to meet both industry standards for health effects in drinking water as well as UL’s rigorous certification requirements. Antiscalant chemicals are used to protect reverse osmosis (RO) membrane life and are used in industrial RO purifiers.

Bioremediation of turbid surface water using seed extract from Moringa Oleifera Lam (Drumstick Tree)
This research paper describes an indigenous water treatment method, that uses Drumstick seeds as an effective natural clarification agent for highly turbid and untreated pathogenic surface water. Posted on 26 Mar, 2010 06:38 PM

This research paper describes an indigenous water treatment method, that uses Moringa oleifera (Drumstick) seeds in the form of a water-soluble extract in suspension, resulting in an effective natural clarification agent for highly turbid and untreated pathogenic surface water.

Reverse osmosis plants for rural water treatment in Gujarat - A research paper by CAREWATER
This research paper attempts to understand and map the Reverse Osmosis (RO) phenomenon, a technology that is turning out to be an important solution for drinking water treatment in rural Gujarat. Posted on 23 Mar, 2010 01:38 AM

This research paper attempts to understand and map the Reverse Osmosis (RO) phenomenon, a technology that is turning out to be an important solution for drinking water treatment in rural Gujarat. Treatment plants with capacity ranging from 10 litres per hour (lph) to 6000 lph are now supplying drinking water in several hundred villages of the state. Small sized plants with capacity < 20 lph are used by individual families whereas medium to large sized plants (>100 lph) are being used for public consumption.

×