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Application of Ion Exchange Resins

Transforming wastewater into demineralized water with rest-conductivities which can be beneficially reused on site with latest technology is cost-effective. Recovery of ammonium nitrate and ammonia from the wastewater also results in a much improved production yield. Read More »

Water supply and sanitation in India: Meeting targets and beyond

The Indian economy loses 73 million working days a year due to waterborne diseases, caused by a combination of lack of clean water and inadequate sanitation. Even large cities are only able to guarantee very little water for a few hours a day, says Dr Sridhar Vedachalam, a postdoctoral associate at the New York State Water Resources Institute at Cornell University, USA. Ranked among the 10 finalists of the 2012 Global Water Forum Emerging Scholars Award, the article discusses the gap between water supply and sanitation Read More »

Most polluted places on the planet

More than 100 million people worldwide are exposed to dangerous levels of toxic chemicals. These pollutants include radionuclides, industrial chemicals, pesticides and heavy metals, which may come from activities such as mining, industry, agriculture and weapons manufacture. Read More »

Processing of Food Ingredients Cleaning Deep, Cleaning Safe

Effective cleaning of equipment in the food processing industry reduces chances of food contamination during preparation, processing, storage and packaging. Food and environmental safety concerns coupled with high energy and water & waste treatment costs are motivating the pursuit for better cleaning and sanitizing systems. Viable alternatives for food processing industry today include dry steam deep cleaning, cold and heated pressure wash, dryers, dust collection and centralised vacuum system. Read More »

Ion exchange resins for industrial water treatment

Need for newer technologies for effective treatment of water and wastewater is on the rise, especially in India which has a rapidly growing industrial segment besides rising population. Ion exchange resins in combination with other technologies offer an effective solution ... Read More »

Drivers of water treatment technology in India

Recently alarming reports have been released by Government agencies about groundwater contamination due to dumping of industrial water, untreated sewage in fresh water bodies and excessive use of fertilizers. Water scarcity is a looming problem for both urban and rural areas and the situation is being seen as a crisis. Use of contaminated water is also leading to numerous health problems across the country. The scarcity of water is driving the demand for use of water treatment technologies and products. Read More »

Membrane Maintenance

The global demand for purified water is growing rapidly with no signs of abatement. From increasingly demanding industrial requirements to a burgeoning requirement for improved drinking water quality, there are very few water uses anymore that can accommodate the available water supplies without some form of treatment. Read More »

Living in Lovedale and Lovin’ it

Choosing a holiday destination rarely features cleanliness on the grid analysis. It’s all about recreation and relaxation and getting away from a monotonous routine. So here I am on the long and winding road from Coimbatore to Ooty… Read More »

Zero Liquid Discharge of Brackish Water

Water treatment by desalination is increasing worldwide to meet growing water demands, preserve the value of reclaimed water, provide drought proof supplies, and protect public health and aquatic ecosystems from emerging contaminants. Implementing desalination, however, can be constrained by the ... Read More »

The making of a Green Village

Beside a beautiful hillock under the rolling clouds amid rustling winds and lush greenery is the eco-village developed by social activist and Sangli Zilla Parishad member Subhash Patil. Hatnur, located in the Sangli district of Maharashtra, having a population of ... Read More »

Controlling Dust & Odour

Over the last two years, there has been many corrections made in the practices and it has been realized that one can be more efficient. Major improvement came with people adjusting and doing business a different way. In addition to ... Read More »

Water-A massive market Bubbling to the surface

It’s an interesting time to appraise the “blue segment” of green business. Water has taken a back seat in sustainable business and cleantech. Over the past decade, the rallying cry of “water is the new oil” (or even the new carbon) has not materialised. Yet with mounting water scarcity and water quality pressures, the convergence of water and energy issues and the drive for greater resource efficiency, the market is clearly gaining momentum. Between 2005-2010 the Dow Jones Water Index surged 80% and between 2007-2010, it outperformed the S&P by over 20%. There are already a large number of countries, industries and companies whose economics are critically reliant on water. And that number is going to increase exponentially in the next five years. Here’s why: Read More »

MCGM plans towards sustainable, garbage-free city

Mumbai has been facing a solid waste management crisis for years. In order to move towards a sustainable future by adopting integrated solid waste management approach, the Solid Waste Management Department (SWMD) of the Municipal Corporation of Greater Mumbai (MCGM) has joined hands with private contractors. The municipal corporation spends roughly र1160 per tonne on collection, transport and disposal of MSW. Collection and transport together constitute roughly 80% of the cost. In India, the average municipal expenditure on solid waste management is र500 to र1500 per tonne. B P Patil, Chief Engineer-SWM, MCGM, explains to Preeti Swaminathan the various projects lined up for integrated SWM. Read More »

Water conservation through rainwater harvesting

RV College of Engineering, Bangalore, has over the past year collected and used close to 17 lakh litres of rainwater. This is the result of a project undertaken alongwith Bangalore based Biome Environmental, which is engaged in ecological architecture and ... Read More »

Impact of Green cleaning on indoor air quality

About 10 years ago, I was attending a US Green Building Council meeting where Jan Beyea, the facility manager for the National Audubon Society, was reporting on the “greening” of the Audubon House in New York City. The building used ... Read More »

Living by the coal mines

80,000-odd people, mostly tribals, living in the coal belt of Jharia in Jharkhand's Dhanbad breath carbon monoxide, carbon dioxide, sulphur dioxide and methane, emitting from mine fire. People smouldering with underground fires for several decades now are facing breathing problems and skin diseases. Read More »

Clean India Show 2010

Championing Cleanliness… “Why is the Show only for three days? You need to keep it open for a week.” This spontaneous reaction by Smt Sheila Dikshit, the Hon’ble Chief Minister of Delhi, at the Clean India Show 2010 at NSIC ... Read More »