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 …
The ministry of special initiatives is using expensive and difficult-to-maintain technology in setting up of water filtration plants in the country despite concerns shown by the officials from the ministry of science and technology, sources told Dawn. However, Brig (retired) Sikandar Javed, who is the project director of the multi-billion …
Defluoridation is removal of excess fluoride from water. Several methods have been suggested for removing excess fluoride in water. One of such is adsorption. Present study has been conducted to investigate the efficacy of sludge of water treatment plant as defluoridating adsorbent material. The experiment has followed batch process.
The high fluoride level in drinking water sources in many parts of India and its impact on human health has increased the importance of defluoridation studies. Several individual studies have been conducted using different defluoridation techniques; but the number of comparative studies is less in literature. It is significant to …
The quintessential example of large scale municipal wastewater reuse is the new Groundwater Replenishment (GWR) System in Orange County, CA. The system treats clarified secondary municipal wastewater effluent and, utilising microfiltration, reverse osmosis and advanced oxidation to produce 70mgd of reclaimed water.
The need of new approaches for wastewater management and environmental demands worldwide is challenging product manufacturers to develop advanced technology.
The historic city of St. Augustine, Fla., has relied on a surficial aquifer as the primary source of water for its 12,000 residents. Concerns about the city's future water supply and the impact of aquifer drawdown on wetlands in this coastal community led the city to develop a proactive plan …
Junk iron from scrap yards to clean polluted water IN 1983 the entire Mianus river bridge in Connecticut, US, collapsed when the bearings rusted internally. Rusting thus proved to be a bane. But a bane can be turned into a boon. A group of researchers from China used scrap iron …
KOCHI: A Manuel is on a one-man mission. To make us aware of the poor quality of the water we drink. He tests water samples free of cost at his residence to convince people that the impurities in water are impossible to detect with the naked eye.
The sea of northern Spain is shortly to be invaded - by robots. Scientists are building a shoal of robot fish to be let loose in the port of Gijon to check on the quality of the water. Modelled on carp and costing about
As bottled water use continues to expand around the world, there is growing interest in the environmental, economical, and social implications of that use, including concerns about waste generation, proper use of groundwater, hydrologic effects on local surface and groundwater, economic costs, and more. A key concern is how much …
Modern wastewater treatment systems require air in order to maintain biological activity. Often air is also needed to maintain a thoroughly mixed system. Any air introduced beyond what is needed for these two processes is considered excessive and may be eliminated to reduce power consumption.
Wastewater reclamation has become a viable alternative to supplement water supplies in water short areas. In particular, membrane treatment has played an important role in purifying the water cost effectively. Reverse osmosis (RO) membranes have been shown to significantly reduce total dissolved solids, heavy metals, organic pollutants, viruses, bacteria and …
Ozone technology has been used for the past two decades or more. It is, however, only now that its use in wastewater treatment has been recognized. The location of ozone use in wastewater treatment determines the goal of treatment. At the same time, ozone finds use in each stage of …
To achieve successful treatment of the water, one should first know that no water is the same, every water is unique and should be treated uniquely. At present, ultrasound is being used in the field of water treatment.
Chandigarh: The Haryana Government today launched the Rs 1125 crore-Naandi Community Safe Water Project which will provide clean drinking water to 100 villages. The water treatment plant is based on reverse osmosis technology. Located in Dujana village of Jhajjar district, the project has been set up with the assistance of …
This paper outlines the recent magnetic ion exchange process (MIEX process) to remove dissolved organic carbon and control of toxic THMs in drinking water supply.
