Wastewater

  • In order to foster sustainable development as well as to solve severe challenges in the field of environmental protection in India, highly qualified engineers and experts are needed. Considering the importance of education in this field, German Water Partnership decided to launch the “GWP-Award In...
    swatiposted 3 years 9 months agoread more
  • Dr. Kalam is no more but he lives on in the hearts of many through his quotes, beliefs, speeches and his acclaimed book India 2020: A Vision for the New Millenium among many others. Though referred to as 'Missile Man' due to his interest in and engagement with the defense sector, Kalam, especia...
    rekhaiwpposted 3 years 9 months agoread more
  • Come monsoon and the situation in the Hindon river is truly troubling. Large stretches of the river continue to suffer toxic contamination. An article by Baishali Adak in Daily Mail Online (UK) last year showed images of the effluent-laden river in the 30 km stretch in Ghaziabad. While this baffled ...
    Amita Bhaduriposted 3 years 10 months agoread more
  • Environmental degradation is an issue of grave concern for India, and demands urgent action with a multi-pronged approach. Public involvement and ownership are among key factors to enable positive change and undo the damage inflicted upon the environment. To steer the common public and other stakeho...
    swatiposted 3 years 10 months agoread more
  • HelloI need the detailed design calculation of SBR for given data in summary here, 450 KLD STP,   BOD5 - 300mg/ lit., TSS- 200mg/l,  NH3-N - 25mg/l, Ammonical Nitrogen -150mg/l,  Total Phosphorus -10mg/l, TKN - 40 mg/lit, COD - 600mg/l.Thanks Rohini Patil
    rohinipatilposted 3 years 10 months agoread more
  • Centre gives nod to 170 eco- sensitive zones in the country The Environment Ministry has cleared 170 eco-sensitive zones in the country and by the end of the year plans to wrap up the entire business of such zones. With the completion of the mandatory 60-day period of public comments that...
    swatiposted 3 years 11 months agoread more
  • Yamuna pollution stays the same, despite a drop in sewage flow Per the Environment Ministry’s Annual Report (2014-15), although there is a decline in the discharge of sewage water into the Yamuna in the last year, the water quality continues to deteriorate. The reason attributed behind the unchan...
    swatiposted 3 years 11 months agoread more
  • Green nod to Arunachal's Dibang project The Environment Ministry has given green clearance to the 2,880 MW Dibang project in Lower Dibang Valley of Arunachal Pradesh. The clearance is valid for 10 years from the date of commissioning and 5 years post this, the Ministry has ordered an impa...
    swatiposted 3 years 11 months agoread more
  • Centre okays Rs 20,000 crore for the 'Namami Gange' programme Under the 'Namami Gange' programme, the Centre has approved Rs 20,000 crore for Ganga rejuvenation in the next five years. The fund is in addition to the Rs 2,037 crore sanctioned for the Ganga revival last year. Since 1986, nearly ...
    swatiposted 4 years 9 hours agoread more
  • India prepares to fight the impacts of El Nino According to the Indian Meteorological Department, there is a 70% probability of El Nino, or a warming of sea-surface temperatures in the Pacific. The phenomenon will lead to a below normal monsoon this year. However, to battle the impacts of El Nino, ...
    swatiposted 4 years 21 hours agoread more
  • Centre appoints task force, with an aim to speed up implementation of river interlinking In the wake of emerging differences among the states over the interlinking of the rivers, the Centre has constituted a task force to build consensus between the states. B N Navalawala (ex-UPSC member and o...
    swatiposted 4 years 4 weeks agoread more
  • Whenever Nachatar Singh’s wife and children fall sick, he blames it on the groundwater they pull out everyday using a hand pump in his courtyard at Veere Wala Kalan village of Faridkot district. Singh swears that the problem started only recently. “The same tap used to fetch such good quality wa...
    Manu Moudgilposted 4 years 1 month agoread more
  • Fear of floods looms over Kashmir again Heavy rainfall in Kashmir over the past few hours has led to the river Jhelum flowing above the danger mark, intermittent power cuts, landslides and water logging in different parts of the valley. Eight teams of the National Disaster Response Force have been ...
    swatiposted 4 years 1 month agoread more
  • Hyderabad, which is India's fourth largest city, has a population of almost 7 million. The Musi river, originating from the Anantagiri hills, divides the city into north and south. The River flows through the city and joins the Krishna in Nalgonda. The paper titled "Stakeholder views, financin...
    aarti kelkar kh...posted 4 years 1 month agoread more
  • Rajendra Singh is the 2015 Stockholm Water Prize Laureate Rajendra Singh, the water man of India, has won accolades for his efforts towards innovative water restoration as well as for improving water security in rural India. The Stockholm Water Prize is a global award presented annually by the Stoc...
    swatiposted 4 years 1 month agoread more
  • Between May and December 2014, 17 deaths were registered in Sambalpur due to jaundice but residents say that the death toll due to water-borne diseases is much more than that. In January 2015, the Odisha High Court issued a notice to the state government asking it to furnish details on the step...
    makarandpurohitposted 4 years 2 months agoread more
  • “The Dalits of this country get access to water on the goodwill of the dominant caste. Water to untouchables is still miles away,” says Goldy M George, a Dalit activist and an expert on Dalit rights. Caste-based discrimination still persistsin India many years after independence, and access to ...
    makarandpurohitposted 4 years 2 months agoread more
  • Indian Water Works Association in collaboration with Indian Institute of Technology, Bombay, Municipal Corporation of Greater Mumbai and SGGS Institute of Engineering and Technology, Nanded is orgainising a national seminar on 'Water Conservation and Rainwater Harvesting' at IIT Bombay. For more de...
    swatiposted 4 years 3 months agoread more
  • 8 million tonnes of plastic waste dumped into world's oceans in 2010: Study A study published in the journal 'Science' has revealed that nearly eight million tonnes of plastic waste was dumped into the world's oceans in 2010. Plastic littering and mismanaged plastic waste systems are prime causes f...
    swatiposted 4 years 3 months agoread more
  • Karnataka sets up firm to mitigate mining impacts The Karnataka Government has set up a new firm called Karnataka Mining Environment Restoration Corporation (KMERC), that will carry out environment restoration work in the mine-ravaged districts of Ballari, Chitradurga and Tumakuru. The fi...
    swatiposted 4 years 3 months agoread more

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A new method for removing chromium-6, a highly toxic heavy metal, from waste water has been developed by a group of scientists from India and Ethiopia.

Heavy metal poisoning is a growing concern in many parts of the country. A new method for removing chromium-6, a highly toxic heavy metal, from waste water has been developed by a group of scientists from India and Ethiopia. They claim it to be low-cost and safe.

The new method uses water hyacinth, a weed known for its ability to spread rapidly over water bodies. It is used for cleansing polluted water bodies owing to its remarkable capacity of absorbing pollutants. 

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Researchers have developed a slurry photocatalytic membrane reactor to remove harmful drugs from hospital wastewater to make it safer for the environment.

Hospital wastewater, which includes drugs, is a major environmental problem. A group of researchers from Belgium and India has developed a novel method of treating wastewater to get rid of such harmful substances from hospital waste.

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Hi i am working for a project in ETP. Our effluent contains a TDS of 3000 ppm while after equalisation - that is after addition of lime and alum - our TDS increases to 4500 ppm giving our outlet TDS to be 5000 ppm. In this project we haven't installed any tertiary process. It consists of simple equalisation tank, primary clarifier, surface aeration , secondary clarifier followed by sand filter and carbon filter. after addiiton of lime our ph is 11.5 and after addition of alum we maintain a ph of 10.5. Please suggest me some solution for this problem.

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There is a higher BOD and COD rate. Capacity of kitchen waste-water is 5 m3/day. Could someone please suggest me how to treat this waste-water and what is the reason for too much rate of BOD & COD?

BOD: 4100 mg/L

COD: 7000 mg/L

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As cities spread wide, grey infrastructure projects flout green norms to provide affordable housing for all.

Far in the distance, towards the edge of Noida and Greater Noida flows the Hindon river amidst clusters of modern highrise buildings. A few years ago, the landscape here was more countrified and quite distinct from the low rise neghbourhoods of Delhi dotted with its numerous parks and abundant institutional spaces. 

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Govt says out of 445 river stretches, 275 are polluted

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Hello Sir/Madam, I wanted to know about ground water recharge using waste water. Is it alright to do it? I'm running a commercial kitchen on my terrace and all its washing water( no solid objects ) goes into the sewer. Is it alright to have a recharge pit near the borewell and redirect the washed water into it for ground water recharge. My bore is 80 feet deep . Please give me some dimensions for the pit and what all goes into the pit. Can I have the pit next to my bore? Thanks & Regards, Karthikeyan Karuppiah.

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Though informal e-waste handling, segregation and import are prohibited by the law, e-waste business is thriving in the country.

Take a walk through the maze of lanes at Seelampur in north-east Delhi, you could see small children rummaging through electronic waste that has made its way here from all over north India. They segregate end-of-life electrical and electronic products, prise them apart, put them through acid wash and also burn circuit boards in the hope of extracting precious metals. From old electronics to spent batteries, they handle all items that head to the waste pile with bare hands.

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We are in an apartment in chennai and have soak pits overflowing frequently and needs removal of waste water every 2 to 3 days. What would an ideal remedy be for the situation? Is there any solution provider in chennai?

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We wish to get into waste water treatment (STP) & (ETP). Can someone help us understand and calculate investments and returns for small to mid size treatment plants. Plant size: 1 MLD to 10 MLD

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