Author: eawater

Chennai’s wastewater treatment system being augmented with latest technology

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The Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB) is likely to add five sewage treatment plants (STPs) to its network by this year end. Built with the latest sequential batch reactor technology to comply with the revised norms of the Central Pollution Control Board (CPCB), the new plants at Kodungaiyur, Koyambedu, Nesapakkam and Perungudi and other places, will have a combined capacity to treat nearly 350 million litres a day (mld). “We are adding new facilities to cater to the projected population in 2035. Work has been completed in…

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Water Ministry’s NMCG signs MoU with state bodies for sewage treatment plants to clean Yamuna

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With this project, the NMCG aims to take care of the existing sewerage problems in the Agra city which pollutes Yamuna River. The National Mission for Clean Ganga (NMCG), Uttar Pradesh Jal Nigam and Vishwa raj Environment Private Limited (VEPL) on 25 August signed a tripartite Concession Agreement for development of Sewage Treatment Plants (STPs) for Agra under hybrid annuity mode at a total cost of INR 582.84 crores. The NMCG approved the project for construction of STPs of total capacity of 177.6 MLD, including developing interception & diversion (I&D)…

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MAKES SENSE TO INVEST IN WATER AND SANITATION

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By Team EverythingAboutWater Research by Water Aid, an international Ngo focused on water, sanitation and hygiene, states that companies which invest in water, sanitation and hygiene (WASH) for their employees, their business thrives. It a well-known fact that water is the essence of life and access to clean drinking water is the ley to a healthy and fruitful life. While we can control, what we consume, when we are at home and that even includes the water that we drink but what does one do when one steps out. Even…

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“TREATED WATER WITH BEST TECHNOLOGIES IS 100% FIT FOR USE BY HUMAN BEINGS”

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Laxmi Kant Pathak, director-operations and BU head-surface water and irrigation at Zetwerk speaks About the challenges affecting the water sector both in terms of policies and infrastructure. Considering Zetwerk is a major EPC player in the water sector, in India, what are your views on the infrastructure that is present, in the water sector, in India? In the last 35 years, India has seen large demographic movement from rural to urban. As a result of this we can see some infrastructure in the urban areas but considering the concentration of…

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USE OF MICROBES AND HERBAL EXTRACTS TO TREAT WASTEWATER

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By Sanjay Bahl When the going gets tough and when traditional water treatment methods seem unsatisfactory then we should resort to the natural ways of cleaning wastewater. If water was a Sadhu or Yogi then he would go to his ashram in the morning as a bright, smart, clear-headed gentleman and come back in the evening to his hut as a fat, lethargic, tired man and then would get into an intense tapasya to rejuvenate himself again for the next day. Similarly, technically Speaking water is a universal solvent and…

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BIOAUGMENTATION: A BOON FOR YOUR SEPTIC TANK

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By Neeraj Kumar Septic tanks are wastewater management systems at a smaller and/or personal scale. These are on-site, economical sewage disposal solutions that work well in areas without sewer networks. We can use them in various industries, houses situated in hilly areas, hospitals, outlier buildings, or A group of four or five houses. It handles solid and liquid organic waste that is drained and flushed down through toilets, bathrooms, kitchens, and other type of drains. There are two ways in which septic systems work. They are either aerobic septic systems…

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NEW IRON REMOVAL MEDIA: REDEFINING WATER QUALITY

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By Praveen Kumar S All about the extremely powerful silica sand based catalytic water filtration media that is designed for removal of Iron and Manganese without the use of potassium permanganate. The character of water is changing across India and hence adopting new measures of quality is highly Important. Ground water in India is now getting affected by heavy metals which are beyond the permissible limit. Presence of Fe (Iron), Arsenic, Manganese, in water, to name a few are Quite detrimental for human consumption. We have plenty of water resources,…

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VERMIFILTRATION: THE WAY FORWARD TO A SUSTAINABLE FUTURE

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By Aditi Agarwal There is increasing scientific evidence to prove that treatment systems with designs inspired by nature are highly efficient treatment technologies. India generates about 7,200 crore liters of sewage every single day. Out of this only 2,000 crore liters is treated, rest is discharged directly either into the ground water or fresh water resources. This practice has led to most of our ponds, lakes and rivers being severely polluted. Even the sewage that Does get treated does not get completely recycled and is often discharged into water bodies…

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Use twin leach pit toilets for disposal of human excreta

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This following information was given by the Minister of State, for Jal Shakti, Shri Praha Singh Patel in a written reply in the Raja Sabha. Sewerage system does not exist in rural areas of the country. Under the Swatch Bharat Mission (Grameen), for disposal of human excreta, use of safe and eco-friendly onsite sanitation technologies such as twin leach pit toilets is encouraged. Under this technology, human faces automatically become manure in 1-2 years. In case of septic tank and single leach pit toilets, it is advised to retrofit them…

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Industrial Units and Local Bodies are required to Install ETPs/CETPs/STPs

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This information was given by the Minister of State, for Jal Shakti, Shri Bishweswar Tutu in a written reply in the Look Sabha. As per the Provisions of Environment (Protection) Act, 1986 and Water (Prevention & Control of Pollution), Act 1974, industrial units and local bodies are required to install effluent treatment plants (ETPs)/ common effluent treatment plants (CETPs) and Sewage treatment plants (STPs) respectively and treat their effluents/sewage to comply with stipulated environmental Standards before discharging them into river and water bodies. Accordingly, CPCB, State Pollution Control Boards/Pollution Control…

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