How does a city-state that has no natural water body, very little groundwater and even less land to store rainwater quench the thirst of its five million people? Singapore faces this question just as one of its 50-year water import agreement with Johor, now a part of Malaysia, expires in …
REMOVAL of organic toxins from groundwater requires chemical additives, which are expensive and environmentally hazardous. Now researchers at the University of Kentucky in the UK have developed a novel technique to break down such contaminants. The new purification system uses two highly porous membranes to generate purifying hydroxyl radicals. Till …
BANANA peels may be notorious for causing slips in daily lives, but they can also prevent harmful chemicals from slipping into the body. Scientists from Brazil have found that the peel of the fruit can act as a filtration medium and pull heavy metals from water. Metals such as lead …
NOW a novel technique speedily kills pathogens in water. The water filter created by scientists from Stanford university, uses electrically treated cotton fabric to deactivate bacteria instead of just filtering the water. The fabric combines carbon nanotubes and silver nanowires, which are good conductors of electricity. The team tested the …
DO CHEMICALS used to disinfect water harm our health? Evidence suggests drinking water purified with common disinfectants like chlorine and bromine causes urinary bladder cancer. But it was not clear whether the chemicals can affect health when used to keep swimming pools or bathing water clean, until now. Spanish and …
Manoj Lodhiwal is the head salesperson at a household appliance store in south Delhi. Every morning as the storeowner performs puja, he examines how and where to display products. “The facade must remain stacked with home water purifiers; they are the hottest items,” Lodhiwal said. His store is in Mohan …
BENGALURU residents look forward to December 2011, when the new water treatment plant at T K Halli would deliver 500 million litres of potable water every day. This would increase each person’s daily water allowance in the city by 25 litres. Bengaluru Water Supply and Sewerage Board (BWSSB) fast-tracked the …
the drumstick tree grows in any kind of soil and requires very little care. People have many uses for the flowers, beans and twigs of the Moringa oleifera, or the horseradish tree as it is also referred to. The beans, in fact, are almost magical. They may not lead to …
The public water supply in India is so unreliable that the urban middle class, with its increased spending power, prefers shelling out an extra buck on one of the numerous water purifiers available in the market, rather than risk health- Suresh Babu SV Activated carbon filters typically use granular carbon …
This article describes the Reverse Osmosis technology and its cost economics to convert the brackish ground water and tap water of poor quality to potable water.
Climate change, growing populations and political concerns are prompting governments and investors from California to China to take a fresh look at desalination. March 20, 2008
One of the most pervasive problems afflicting people throughout the world is inadequate access to clean water and sanitation. Problems with water are expected to grow worse in the coming decades, with water scarcity occurring globally, even in regions currently considered water-rich. Addressing these problems calls out for a tremendous …
Climate change, growing populations and political concerns are prompting governments and investors from California to China to take a fresh look at desalination : a report. March 20, 2008
In a cityscape dotted by energy guzzling high-rises, the municipal corporation has decided to set the precedent for going green. The first ever civic green building complex is all set to come up on a sprawling 52,000 sq m plot in Borivali. The project is part of the BMC's upgradation …
Haryana continues to withhold city's share of drinking water Water production in two of the Capital's water treatment plants has also come down "We are hoping the CWC will get Haryana to release more water to our demand' NEW DELHI: There is no let-up in Delhi's water crisis as Haryana …
Provision of pure water has resulted in a marked decrease in the number of absentees BY D MADHAVAN For 3,000 students of the Government Higher Secondary School in Anakaputhur, pure drinking water is only a few steps away thanks to a water treatment plant on the premises. Allegedly the first …
Travellers who don't trust the water from a mountain stream or a hotel-room faucet have often used chemicals or filters to purify it. Now they have a high-tech option as well: swirl the water with a portable, lightweight wand that beams rays of ultraviolet light. The wand can clean up …
The introduction of the axial piston pumps and the development of energy recovery units especially for seawater reverse osmosis has changed the system design dramatically and reduced the energy consumption by up to 80% in these installations. Oct-Dec 2007
After power equipment, engineering major Thermax is strengthening its presence in the water treatment business. "If power is the theme today, we believe the next big story would be water,' said Managing Director and Chief Executive M S Unnikrishnan, in a post-press meet chat with Business Standard. The water infrastructure …
The Karimnagar Municipal Corporation has embarked on construction of a new filter bed at an estimated cost of Rs 1.30 crore near the Lower Manair Dam (LMD) in the town. The new water purification mechanism is being installed as part of a comprehensive plan to meet the drinking water requirements …
