Treatment and Purification

  • Water contamination due to dyes is a major cause of worry. A new study says sawdust from teak wood may help treat wastewater containing dyes and make it reusable.  Researchers have found that sawdust from teak wood is highly effective in removing a very commonly used dye known as crystal viole...
    arathiposted 5 days 21 hours agoread more
  • Degrading air quality in metro cities is a matter of concern for public health. Massive tree plantation drives are often conducted in order to provide oxygen to choking cities. But trees, much like humans, also are severely affected by pollutants in the air. In such a situation, knowledge about tree...
    arathiposted 3 weeks 4 days agoread more
  • Hi, I live in HBR layout. Recently, I found red and white worms coming out from all water taps in my place. Following this, I cleaned my overhead water tank and also the sump below. Still I could see the worms coming from it. Both the tanks are clean and couldn’t find any worms in it. Plumber vis...
    Anonymous (not verified)posted 1 month 3 days agoread more
  • Srinagar's prime tourist attraction, Dal Lake, is no more the scenic beauty it used to be. It's turning into an eyesore, thanks to sewage discharge and weed growth. A paper titled Water Quality assessments of Dal Lake, Jammu & Kashmir published in the International Journal of Scientific And Engi...
    arathiposted 1 month 1 week agoread more
  • Hello, Every time it rains, I see huge rain water gushing through the roads and drains of Bangalore city. The entire water gets wasted as it reaches the sewage and flows out of city as sewage water. If we can stock this running water across the areas, it should recharge the depleting ground water a...
    Anonymous (not verified)posted 1 month 1 week agoread more
  • Ahead of monsoon, workers made to clean stormwater drains filled with sewage in Hyderabad Despite the ban on manual scavenging, sanitation workers are made to clean sewage-filled stormwater drains across Hyderabad as part of the city’s monsoon preparedness drive. Workers enter stormwater drains s...
    seetha@indiawat...posted 1 month 1 week agoread more
  • Hi, We had an old borewell with 70 feet depth in our house in West mambalam, Chennai. After 10 years of use, the pipe was struck after the floods and water was not coming. We drilled new borewell one year back - 260 feet depth. Rock was hit at 80 feet and casing was done for approximately same dept...
    Anonymous (not verified)posted 1 month 1 week agoread more
  • Farhanuddin was just five years old when a pain in his knee began bothering him. It was 2013. Slowly, his legs began to change shape. They got so badly deformed that it began to affect his everyday life. He was gloomy and tired most times and had trouble walking. His parents thought that lengra bhoo...
    Amita Bhaduriposted 1 month 2 weeks agoread more
  • Despite making sanitation a national priority with Swachh Bharat Mission, 50 percent of India defecated in the open till 2014. The goal to make India open defecation free by 2019 seemed ambitious. The government provided funding but it also sought active participation from the corporate sector. Comp...
    Amita Bhaduriposted 1 month 2 weeks agoread more
  • India’s sanitation crisis involves huge cost. Transforming the country’s sanitation and waste management by 2019 is tall order. “Swachh Bharat Mission, the most ambitious cleanliness campaign in Indian history could well be the most expensive failure in recent times,” says Naina Lal Kidwai, ...
    Amita Bhaduriposted 1 month 2 weeks agoread more
  • Earthworms are considered best friends of farmers, acting as engineers in soils. They are helpful in the decomposition of waste, producing biofertilisers. Indian scientists have investigated the gut of earthworms to get an insight into why they are so efficient in helping decomposition. They have f...
    arathiposted 1 month 3 weeks agoread more
  • Nanotechnology deals with particles that are several thousand times smaller than the human hair, and it is being put to use in a variety of applications such as drug delivery and diagnostic tests.  A group of Indian researchers has now developed a simple technique for deriving nanoparticl...
    arathiposted 1 month 3 weeks agoread more
  • Gopal Nishad, a fisherman in his early 40s, is frustrated that there is hardly any fish left in the Mahanadi’s basin at Pitaibandh due to the lack of water in the basin. This basin is located near Rajim-Nawapara in Chhattisgarh, the proposed site for the fourth anicut on the Mahanadi. He reminisce...
    makarandpurohitposted 1 month 4 weeks agoread more
  • A radical new method is fast emerging as an effective and sustainable solution to increasing pollution in urban lakes. Called floating treatment wetlands (FTW), they are artificial islands with plants that stay afloat on the lake. The plants clean the lake through hydroponics system, resulting in a ...
    arathiposted 2 months 6 days agoread more
  • Fluorosis continues to be a regional issue in Telangana to this day, even decades after the first cases were discovered in Nalgonda in 1937. More than three lakh people in the district are affected with skeletal and dental fluorosis, a stigma that has stuck for generations. Excessive fluor...
    Amita Bhaduriposted 2 months 1 week agoread more
  • In 2010, nine-year-old Kailash from Miyati village, Jhabua developed symptoms of skeletal fluorosis. Fluorosis, which affects millions of people in India, is a health issue caused due to high fluoride content in drinking water. Skeletal fluorosis is marked by deformed bones. It affected all aspects ...
    Amita Bhaduriposted 2 months 1 week agoread more
  • Hello, We have extremely hard water of TDS 1500 and hardness 700 mg/ltr. We have a softener installed but it is not giving satisfactory results . A local technician informed us that softeners do not work with well water with this high hardness. Is this true? What is the solution for this? We have a...
    Anonymous (not verified)posted 2 months 1 week agoread more
  • A recent BBC report projected that Bengaluru will run out of water soon. Yes, it was a superficial list of cities that already have water problem. It just pronounced the harsh verdict without any in-depth analysis of the factors involved. That’s like taking a casual look at an emaciated man and s...
    priyadposted 2 months 2 weeks agoread more
  • West Bengal’s tryst with dengue in 2017 could not have been more deadly. Around 13000 people were affected and nearly 100 people lost their lives to the disease. Among the worst hit was the South 24 Parganas district with every household having at least one person down with the mosquito-borne dise...
    arathiposted 2 months 3 weeks agoread more
  • Respected sir, We are from Visakhapatnam, and we do all kinds of water treatment works. We design borewell water treatment for utility purposes only and we want to establish a filtration system at a low budget. What treatment method can be used to remove chlorides, CL is 2240 ppm, hardness at 2380 ...
    Akkeni Chiranje...posted 2 months 3 weeks agoread more

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Researchers have come up with a low-cost method to help remove toxic dyes in wastewater.

Water contamination due to dyes is a major cause of worry. A new study says sawdust from teak wood may help treat wastewater containing dyes and make it reusable. 

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A study reveals deciduous trees with compound leaves more tolerant to air pollution.

Degrading air quality in metro cities is a matter of concern for public health. Massive tree plantation drives are often conducted in order to provide oxygen to choking cities. But trees, much like humans, also are severely affected by pollutants in the air. In such a situation, knowledge about trees capable of withstanding heavily polluted environment is needed, particularly while designing green belts in urban areas.

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Hi,

I live in HBR layout. Recently, I found red and white worms coming out from all water taps in my place. Following this, I cleaned my overhead water tank and also the sump below. Still I could see the worms coming from it. Both the tanks are clean and couldn’t find any worms in it. Plumber visited and advised that they were coming from the inside pipes. He cleaned the pipes but I still found worms in all the taps. Could you please help me to find a solution to get rid of the worms?

Thanks

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Years of indiscriminate dumping of sewage turns Kashmir’s beautiful Dal Lake into an eyesore.

Srinagar's prime tourist attraction, Dal Lake, is no more the scenic beauty it used to be. It's turning into an eyesore, thanks to sewage discharge and weed growth. A paper titled Water Quality assessments of Dal Lake, Jammu & Kashmir published in the International Journal of Scientific And Engineering Research in December 2017 (PDF of the report attached below) reveals that 1,200 houseboats alone dump about 9,000 metric tonnes of waste into the lake in a year.

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Hello,

Every time it rains, I see huge rain water gushing through the roads and drains of Bangalore city. The entire water gets wasted as it reaches the sewage and flows out of city as sewage water. If we can stock this running water across the areas, it should recharge the depleting ground water and increase the availability of water in private bore wells which shall decrease the load on the troubled water supply board.

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Ahead of monsoon, workers made to clean stormwater drains filled with sewage in Hyderabad

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Hi,

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Safer water and better nutrition were key in mitigating fluorosis problem in parts of the state.

Farhanuddin was just five years old when a pain in his knee began bothering him. It was 2013. Slowly, his legs began to change shape. They got so badly deformed that it began to affect his everyday life. He was gloomy and tired most times and had trouble walking. His parents thought that lengra bhoot or evil spirit was tormenting them like hundreds of others who were becoming crippled in the village of Tapatjuri in Nagaon district in Assam. Little Farhan could barely eat, wash or take a stroll without assistance.

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While Swachh Bharat Mission is focused on improving sanitation in the country, an ODF India remains a distant dream. Can corporate contribution ease the sanitation challenges India faces?

Despite making sanitation a national priority with Swachh Bharat Mission, 50 percent of India defecated in the open till 2014. The goal to make India open defecation free by 2019 seemed ambitious. The government provided funding but it also sought active participation from the corporate sector. Companies were compelled to loosen their purse strings as Section 135 of the Companies Act, 2013 made corporate social responsibility (CSR) mandatory.

CSR platform for WASH in Maharashtra

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Swachh Bharat Mission: Could the most ambitious cleanliness campaign in Indian history also be the most expensive failure?

India’s sanitation crisis involves huge cost. Transforming the country’s sanitation and waste management by 2019 is tall order. “Swachh Bharat Mission, the most ambitious cleanliness campaign in Indian history could well be the most expensive failure in recent times,” says Naina Lal Kidwai, CEO of FICCI and the Chair of India Sanitation Coalition, a platform for partnerships to work towards achieving sustainable sanitation for India. 

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