Treatment and Purification

  • After several failed attempts at retrieving a stuck bore pump from 360 feet in a bore well, our mechanic poured 3kg of washing soap powder into the borewell to ease out the retrieval process as a last option. Finally, we did not succeed in retrieving the pump. During drilling, first water source fou...
    Anonymous (not verified)posted 3 days 10 hours agoread more
  • One of the major causes of deterioration of water quality is the increase in overall salinity. Total hardness and the presence of materials like fluoride, nitrate, iron, arsenic, and toxic metal ions determine salinity levels in groundwater. With the demand for groundwater growing rapidly, its explo...
    Amita Bhaduriposted 5 days 2 hours agoread more
  • Hello Sir, I want to set up water bottling plan in Shrivardhan district. Could you please advise on the equipment needed for setting up the plant? Nitin Darge E mail: nitindarge1604@gmail.com  
    aarti kelkar kh...posted 1 week 1 day agoread more
  • Poka-yoke* is a simple Japanese quality principle from the 60s--the use of any automatic device or method that makes it impossible for an error to occur. It is a simple idea. 'Simplicity' always wins!  Now, let's switch to STP operators and poka-yoke!  Manual scavenging is still widely p...
    arathiposted 1 week 6 days agoread more
  • River Mutha, the pride of Pune, lovingly called 'Muthai' or 'mother Mutha', is dying a slow death, thanks to the rapidly urbanising city which is depositing huge amounts of untreated sewage and dirt in its waters. Mutha originates at a village named Vegare, in the Western Ghats, about 45 km to the ...
    aarti kelkar kh...posted 3 weeks 40 min agoread more
  • Alternative Futures: India Unshackled is a riveting new book that brings together scenarios of an India that is politically and socially egalitarian, radically democratic, economically sustainable and equitable, and socio-culturally diverse and harmonious. Edited by KJ Joy and Ashish Kothari, w...
    priyadposted 4 weeks 1 day agoread more
  • The use of ultraviolet lamps in water purifiers is common but the presence of mercury in these lamps could be potentially hazardous. Now a group of Indian scientists have developed a mercury-free ultraviolet lamp that can be used in water purifiers. Scientists have engineered an optimised dielectri...
    arathiposted 1 month 4 days agoread more
  • Hello, We are an electronics assembly unit based in Gurgaon with employee strength of about 350. I wanted to understand the legal requirement for setting up a STP in our factory. Right now, our sewage is directly going to the municipal sewer line. We had taken pollution consent in 2016 when employe...
    Anonymous (not verified)posted 1 month 3 weeks agoread more
  • Hotels, industries, ashrams polluting the Ganga to be sealed The Uttarakhand high court has asked the state government and the district magistrates of all 13 districts to “identify” and “seal” the industries, hotels, ashrams etc, that are releasing untreated sewage into the Ganga and its tr...
    aarti kelkar kh...posted 1 month 3 weeks agoread more
  • We have a confectionery unit which releases effluent of 6ph. After primary treatment, the ph has reached to 8 in aeration tank but due to oxidation ph is gettinh low again to 6 automatically. Please suggest what to do.
    Anonymous (not verified)posted 1 month 4 weeks agoread more
  • I want to set up a RO water purifier for community under SHGs in a society in Saharanpur, Western Uttar Pradesh. Our community, especially women, are facing water quality issues. I would like to know how can I get financial assistance for setting up the community RO water purifier and is there any f...
    Anonymous (not verified)posted 2 months 2 days agoread more
  • Recycling is the only option to handle plastic waste at present. Now Indian scientists have found a new use for plastic waste--for decontamination of water. Dr Premanjali Rai and Dr Kunwar P. Singh from Environmental Chemistry Division, CSIR - Indian Institute of Toxicology Research, Lucknow have u...
    arathiposted 2 months 6 days agoread more
  • Art of Living responsible for destroying the Yamuna floodplains: NGT The National Green Tribunal has held the Art of Living responsible for damaging the Yamuna floodplains in Delhi by holding the World Culture Festival at the site in 2016. However, no additional penalty has been levied on the organ...
    swatiposted 2 months 1 week agoread more
  • A seasonal river in Pali, Rajasthan, the Bandi is nothing short of a sewer. The textile town has witnessed rampant industrial growth, raw sewage discharges and toxic contamination of its waters. The river, which is devoid of lean season flow, is polluted up to 55 km downstream. The river water is un...
    Amita Bhaduriposted 2 months 2 weeks agoread more
  • “Sometimes I go for open defecation, sometimes I use the toilet. It’s not like I always have to use the toilet. When I go for work here and there, I defecate in the jungle,” says Renu from one of the remote villages in Tehri Garwal district of Uttarakhand when asked why she does not use latrin...
    aarti kelkar kh...posted 2 months 4 weeks agoread more
  • What is an effective method to reduce algae accumulated in a lake. Also, after the remedy can the treated water flow back to the same lake .
    Anonymous (not verified)posted 3 months 1 week agoread more
  • Urmila Devi lives in Chaitabazaar village which is barely five kilometres from the eastern bank of the Burhi Gandak river. It is located in a particularly flood-prone area of East Champaran in north Bihar. The drinking water quality in this area is poor. The recurrent floods only make it w...
    Amita Bhaduriposted 3 months 1 week agoread more
  • Concerned with contaminated water sources in rural areas, the Centre plans to provide piped water supply (classified as an improved water source by the WHO & UNICEF Joint Monitoring Report) to 80 percent rural households in the country by 2022. Better access to drinking water is certainly good n...
    aarti kelkar kh...posted 3 months 1 week agoread more
  • In Solapur, Maharashtra, water quality of tap supply is (with reference to BIS 10500): Turbidity 0.32 pH 7.62 Chlorides 168.0 Nitrates 2.41 Total hardness 340 Alkalinity (as CaCO3) 322 TDS 714 Iron 0.06 Fluoride 0.46   Normally RO filters are being used but it is wasting lot of water...
    Anonymous (not verified)posted 3 months 1 week agoread more
  • The theme for the Conclave this year is “Water Use Efficiency: An Imperative for India” to highlight the imperative of water use efficiency in the industry, agriculture and urban contexts.  The Indian economy at present is struggling with excessive population growth and changing water reso...
    Water Awards 2016posted 3 months 2 weeks agoread more

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After several failed attempts at retrieving a stuck bore pump from 360 feet in a bore well, our mechanic poured 3kg of washing soap powder into the borewell to ease out the retrieval process as a last option. Finally, we did not succeed in retrieving the pump. During drilling, first water source found at 150 feet and we were stuck after this and were unable to pass from this depth. Our rope, hose and wires were all broken during the retrieval. Now we are lifting water from 150 feet with an air compressor lifting method.

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An innovative project makes rainwater harvesting easier and more effective in certain areas of Mewat village with increased groundwater salinity.

One of the major causes of deterioration of water quality is the increase in overall salinity. Total hardness and the presence of materials like fluoride, nitrate, iron, arsenic, and toxic metal ions determine salinity levels in groundwater. With the demand for groundwater growing rapidly, its exploitation is also accelerating which causes depletion. Depletion of groundwater changes the flow (both direction and velocity) of the groundwater which may cause the inflow of polluted water into the freshwater aquifer from surrounding areas.

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Hello Sir,

I want to set up water bottling plan in Shrivardhan district. Could you please advise on the equipment needed for setting up the plant?

Nitin Darge

E mail: nitindarge1604@gmail.com

 

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10 safety guidelines to ensure STP operators are safe while on duty.

Poka-yoke* is a simple Japanese quality principle from the 60s--the use of any automatic device or method that makes it impossible for an error to occur. It is a simple idea. 'Simplicity' always wins! 

Now, let's switch to STP operators and poka-yoke! 

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River Mutha, which was once the lifeline of Pune, is in dire straits. Concerted and systematic efforts involving citizens, experts and administrators need to be made urgently to save the river.

River Mutha, the pride of Pune, lovingly called 'Muthai' or 'mother Mutha', is dying a slow death, thanks to the rapidly urbanising city which is depositing huge amounts of untreated sewage and dirt in its waters.

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Alternative Futures: India Unshackled is a riveting new book that brings together scenarios of an India that is politically and socially egalitarian, radically democratic, economically sustainable and equitable, and socio-culturally diverse and harmonious. Edited by KJ Joy and Ashish Kothari, with a foreword by Shiv Vishwanathan, Alternative Futures: India Unshackled covers a wide range of issues, organized under four sections.

February 6, 2018 6:15PM
February 5, 2018 12:00PM

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Ultraviolet lamps free of mercury developed to purify water.

The use of ultraviolet lamps in water purifiers is common but the presence of mercury in these lamps could be potentially hazardous. Now a group of Indian scientists have developed a mercury-free ultraviolet lamp that can be used in water purifiers.

Scientists have engineered an optimised dielectric discharge based mercury-free Vacuum UV/UV light source for water sterilisation. The lamp can produce the desired level of wavelengths for deactivation of bacteria within 10 seconds without the use of mercury. 

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Hello,

We are an electronics assembly unit based in Gurgaon with employee strength of about 350. I wanted to understand the legal requirement for setting up a STP in our factory. Right now, our sewage is directly going to the municipal sewer line. We had taken pollution consent in 2016 when employee strength was 150 and sewage discharge was 8 KLD. Please advise if we need to set up the STP for our factory.

Thanks
Aniket Ghosh
Mob-9958946222

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Policy matters this week

Hotels, industries, ashrams polluting the Ganga to be sealed

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We have a confectionery unit which releases effluent of 6ph. After primary treatment, the ph has reached to 8 in aeration tank but due to oxidation ph is gettinh low again to 6 automatically. Please suggest what to do.

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