Water Treatment Technology

Judgment of the National Green Tribunal regarding plywood factories operating in Yamuna Nagar, Haryana, 27/05/2025

Judgment of the National Green Tribunal, May 27, 2025 in the matter of Sumit Saini Vs Shree Ram Steel Industries & Others. Sumit Saini, resident of village Damla, District Yamuna Nagar, Haryana had sent a letter petition dated May 14, 2022 to the NGT. The application said that around 25 …

Aquatic vegetation - A potential support for rural economy

Aquatic vegetation is generally considered as nuisance plant communities which cause hindrance to aquaculture practice, resulting in the loss of aquaculture yields. Despite all these disadvantages, the importance of freshwater vegetation and their resources to human welfare can not be neglected rather invites attention too.

Constructed wetlands: A techno-economic and eco-friendly approach for wastewater treatment and pollution control

The treatment and disposal of wastewaters is becoming more and more important as ever increasing population and urbanization threaten existing potable water supplies in many areas of the world. Worldwide natural wetlands are still used for watewater treatment but at present, the use of constructed wetlands is becoming more popular …

SCADA system for North 24 Pgs arsenic area: Rural water supply scheme at Mongal Pandey water treatment plant

Author describes a success story of implementing a distributed SCADA system first time in India in a rural water supply scheme of PHED, Govt. of West Bengal for arsenic prone areas. The project consists of a 7.5 MGD capacity water treatment plant, two booster stations and fourteen overhead reservoirs, distributed …

New filter to remove arsenic from drinking water

a new filter that removes arsenic has come as a boon for communities the world over. Abul Hussam, associate professor at George Mason University, Fairfax, Virginia, has won the 2007 Grainger Challenge for developing a filter that removes arsenic from drinking water. The innovation, called the sono filter, is used …

News Snippets

>> Abul Hussam, a chemistry professor at George Mason University in Fairfax, was awarded the Grainger Challenge Prize for Sustainability. The Bangladesh-born US citizen was awarded by the Lake-Forest, USA-based Grainger Foundation for his work on a filtration system that prevents serious health problems caused by arsenic in water. >> …

Low cost and energy saving technologies for water and wastewater treatment

The paper discusses some low cost and energy saving technologies for water and wastewater treatment.

Removal of fluoride by using drumstick bark and its leaves

This paper deals with studies on the removal of fluoride by using bark of drumstick and its leaves. The above said adsorbents are effective defluoridating agents and therefore used in the diet through cooked leaves and its vegetables. 2007

Preliminary studies on different chemicals for defluoridation

This paper deals with a comparative study on the fluoride removal capacity of readily and cheaply available five kinds of materials-calcium, phosphate, magnesium and magnesium carbonate. Among these materials aluminium phosphate is the most efficient defluoridating agent. 2007

Ensuring safe drinking water in Bangladesh

In the early 1980s, K. C. Saha from the School of Tropical Medicine in Kolkata attributed skin lesions in West Bengal, India, to exposure to arsenic in groundwater pumped from shallow tube wells. Despite these findings, millions of tube wells have been installed across the Bengal Basin, the geological formation …

Assessment of production cost of municipal water: Some case study

There is a continuous increase in expenditure for running municipal water supply systems in India. Many water treatment plants of various capacities are being constructed to cope with the increasing water demand. Now the most efficient and cost effective way to supply water to a locality with maximum production cost …

Small approach, big benefit

Today, as many as 20 countries are classified as

Australian town says no to drinking recycled sewage

function table() { var popurl="image/20060930/34.jpg" winpops=window.open(popurl,"","width=375,height=350,scrollbars=yes") } Drought-stricken Toowoomba, the second largest land-bound city in Queensland, Australia, has plans for an integrated water-management strategy

Clean up act

The environment ministry of China recently ordered the cleanup of 20 chemical and petrochemical units that a study found were a threat to the country's waterways and environment due to poor planning and a lack of waste-treatment facilities. The State Environmental Protection Administration (sepa) said that 12 of the 20 …

Grey water hits the roof

at least half the water consumed at home and the workplace need not be of drinkable quality. With this in mind, a group of researchers from the uk has devised a low-maintenance, self-sustaining method to recycle used water after cleaning it only partially. The Green Roof Water Recycling System (grow), …

Rainwater harvesting: a new concept to utilize rainwater and secure the future

The present book on rainwater harvesting, is the perfect guide where detailed plans for adopting very economical rain water harvesting schemes for houses of different types is given.

Clean option

function table() { var popurl="image/20051015/35-table.jpg" winpops=window.open(popurl,"","width=275,height=420,scrollbars=yes") } a water treatment powder has won the 2005 Stockholm Industry Water Award for innovative corporate development of water and wastewater process technologies. The powder

Toilet training

Nacka nature school is an information center on ways to manage wastewater. It was set up in 1989 at village Velamsund, near Stockholm city, Sweden, by the Nacka municipality, home to approximately 70,000 people. Velamsund is situated in an archipelago once greviously affected by sewage discharge and the toxic remnants …

In short

seawater remedy: Hyderabad-based IVRCL Infrastructures and Projects Ltd, a company that specialises in water treatment systems, has bagged a Rs 900 crore seawater desalination project to end Chennai's water crisis and supply drinking water to the city. IVRCL will construct a seawater desalination plant on design, build, own, operate and …

Activated carbon removes pesticide

activated carbon is commonly used in water purifiers. But even wasted activated carbon (wac) is useful

Pipe dreams

Delhi has been waiting. For its neighbour, Uttar Pradesh (up), to release water to its swank Sonia Vihar water treatment plant. The prime minister himself intervenes in the matter. He persuades up to release water. Only to be rebuffed by up political leaders, who say their farmers and cities need …

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