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Water

Quick, Cheap Removal of Arsenic from Water

Written by , on November 5, 2014

An Associate Professor at the University of Florida has developed a quick, cheap and easy way to filter arsenic from water. Arsenic is one of the most common environmental pollutants, affecting millions of people worldwide.  Read more »

Students Make Water Purifier from Chip Packets

Written by , on September 16, 2014

Adelaide engineering students have developed a simple water treatment system using foil chip packets and glass tubing.  Read more »

Becoming “Water Neutral”

Written by , on March 11, 2014

A number of companies and other organisations around the world, including CocaCola and Sainsbury's, have announced that they are striving to achieve "water neutrality". But how can a company like Coca-Cola, whose business is selling water, be water neutral? The term "water neutral" seems to suggest that the company is seeking to have zero net […]  Read more »

Low Cost Water Purification

Written by , on March 3, 2014

Researchers at Purdue University in Indiana have developed a technology that uses sunshine to clean water by harnessing UV radiation to kill microorganisms. Other water purifiers have used UV rays in the past but the Purdue team is aiming for a lower-cost solution for developing countries.  Read more »

Smart Meters Could Save $12 billion – in Water

Written by , on August 23, 2013

On average, city water utilities lose up to 30% of their water resources to non-revenue wastage, such as leaks. In places with over-extended infrastucture, such as Delhi, India, losses can be more than 50%; in places with old infrastructure, such as Dublin, Ireland, losses can reach 40%.  Read more »

Water Treatment Using Apple and Tomato Peel

Written by , on July 26, 2013

Tomato is the second most consumed vegetable in the world, with approximately 30% consumed as processed products. The disposal of the tomato skin and its other fibrous materials is a waste for many food processing industries. Ramakrishna Mallampati, at the National University of Singapore, has studied the structure of the tomato peel to assess its […]  Read more »

“Water Chip” Could Give Simple, Portable Desalination

Written by , on July 19, 2013

Chemists at the University of Texas at Austin and the University of Marburg in Germany are developing a new technology for water desalination which could eventually be used in simple, portable, low-energy devices. The researchers apply a small voltage to a plastic chip filled with seawater. The chip contains a microchannel with two branches. At […]  Read more »

Peak Water

Written by , on June 5, 2013

The US Geological Survey has released a report highlighting the alarming rate of groundwater depletion in the United States. The report says that between 1900 and 2008, the US lost 1,000 cubic kilometers of water from its 40 major aquifers – that's an average rate of 9.2 cubic kilometres a year. Even more alarming is […]  Read more »

New Nanotechnology to Clean Polluted Water

Written by , on May 9, 2013

Scientists from Australia's Deakin University, together with French colleagues, say that they have manufactured a lightweight and reusable material that can absorb up to 33 times its weight in a wide range of spilt oils, chemical solvents and dyes, while repelling water. Deakin University's Dr Wei Wei Lei said that "The effective removal of oils, organic […]  Read more »

Nanotech Device Purifies a Family’s Water for $2.50 a Year

Written by , on May 8, 2013

Researchers at the Indian Institute of Technology in Madras have developed a simple point-of-use water filtration technology,using nanomaterials to filter and clean the water, which they say is effective for producing drinking water at a cost of just $US2.50 per year per family. The device uses a two-stage process to purify the water. In the […]  Read more »