Wastewater

  • There is a huge dearth of cleanliness in India--open defecation is rampant; garbage management in most cities is in shambles; toxic hospital and industrial wastes and sewage are allowed to drain into water sources and food products are laced with chemicals. However, we still seem to be oblivious to...
    aarti kelkar kh...posted 2 years 8 months agoread more
  • Aims & Objectives of Seminar: The prime objective of this one-day endeavor is to raise awareness and bring together experience and knowledge base for creating Energy consciousness among the managers and Engineers of Water supply & Waste water systems. This seminar is intended to serve as a f...
    Anonymous (not verified)posted 2 years 8 months agoread more
  • The fields are silvery white with raw salt crusts in the vicinity of Nawa, a small town on the northwestern banks of Sambhar lake, India’s largest inland lake. Nawa lies about 90 kilometres east of Jaipur. Also an extensive saline wetland and a Ramsar site, the blinding white salt flats ...
    Amita Bhaduriposted 2 years 9 months agoread more
  • More than 50 percent districts yet to be declared open defecation free According to the latest data from the Ministry of Drinking Water and Sanitation, out of the 640 districts in the country, 400 are yet to be declared open defecation free (ODF). Among the smaller states, Goa has fared the wo...
    Swati Bansalposted 2 years 9 months 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 years 9 months agoread more
  • The Palk Bay is an ecological paradise located between the island nation of Sri Lanka and the South East Peninsula India. The region separates the coastal areas of Tamil Nadu from the northern parts of Sri Lanka. From the coast of Tamil Nadu to that of Sri Lanka, the water rarely run deeper than 15 ...
    makarandpurohitposted 2 years 9 months agoread more
  • The Palk Bay is a 15,000 sq km biodiversity conglomeration nestled between the island nation of Sri Lanka and South East Peninsula India with a coastal length of 250 km on the Indian side.  The bay is landlocked with three openings--one big eastern opening into the Bay of Bengal and two narrow...
    makarandpurohitposted 2 years 9 months agoread more
  • Reuse of wastewater becomes mandatory in Maharashtra Maharashtra government has adopted a new policy that makes municipalities responsible for recycling wastewater and reusing treated wastewater to cool thermal power plants, serve industrial estates, and for other non-potable purposes. The governme...
    Swati Bansalposted 2 years 10 months 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 2 years 10 months agoread more
  • Hello, I am looking for CPCB guidelines for acceptable water quality from an STP for usage in: irrigation, disposal into a storm water drain, and drinking. I could not find on their website. Can anyone help? Thanks, Parag Mody Goa
    Anonymous (not verified)posted 2 years 10 months agoread more
  • Hello, I am doing research on pipes used in Indian Waste Water Treatment Industry and wanted to know which pipe materials are mostly used by the industry. It is my understanding that plastic pipes (PE, PPR, PVDF, ABS, CPVC and UPVC) are mostly preferred and galvanized iron pipes are not used. Is thi...
    Anonymous (not verified)posted 2 years 10 months agoread more
  • The 15th EverythingAboutWater Expo 2018 will be held on August 23-25, 2018 | Hall No. 12A, Pragati Maidan, Delhi, India The Expo will be one of the most unique and comprehensive annual water events in India showcasing latest technologies in the water and wastewater management sector. Also reco...
    EA Water Pvt Ltdposted 2 years 10 months agoread more
  • 1. We are an apartment complex with 320 families and a Aerobic STP of 1,50,00LPD. We have recently started using STP treated water into toilet flushing. Since same water is re-circulated repeatedly, I am concerned that URIC ACID concentration will get higher over a period of time as it never gets el...
    Anonymous (not verified)posted 2 years 11 months agoread more
  • My borewell is located near to the compound wall. After few days of borewell drilling sewage started to get collected on the nearby plot which is hardly 3 feet from the borewell. We drilled for 200 feet. Water levels in the nearby borewell are < 50 feet. We used casing pipe for 35 feet after that...
    Anonymous (not verified)posted 2 years 11 months agoread more
  • A new eco-friendly method could soon be available to address pollution due to azo dyes in wastewater from textile units.  Researchers at the Goa-based National Institute of Oceanography (NIO) have identified a bacterium that could be used to degrade the dyes. In a recent study published in the...
    arathiposted 2 years 11 months agoread more
  • Gold, the favourite metal of Indian women, is increasingly becoming popular among scientists as well, though for a different reason. A group of Indian researchers has used gold nanoparticles to develop a simple method to detect lead in wastewater. The new technique makes use of specially-produced m...
    arathiposted 2 years 12 months agoread more
  • The problem of Bengaluru’s water is well known. The demand for water tankers skyrockets during the summer months, when municipal and borewell water supplies run dry, and many of the city’s lakes, actually man-made tanks, lie neglected and polluted. While legislation on rainwater harvesting ...
    priyadposted 2 years 12 months agoread more
  • 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,...
    priyadposted 3 years 5 days agoread more
  • 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. Wastewater may include cytostatic drugs such as cyclophosphamide ...
    arathiposted 3 years 1 week agoread more
  • 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 equa...
    Anonymous (not verified)posted 3 years 1 week agoread more

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I am a resident of Bangalore living in an apartment complex for almost a decade now. Residents of my apartment complex have been suffering with faulty/ ill maintained STP for several years. Several complaints to builder/welfare association have fallen on deaf ears. Black, untreated water often infested with worms is a regular scene for us. Where do residents like us lodge a formal complaint? Is it with the pollution control board or with local sewage authorities?

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Can STP water after aeration and filtration be used for groundwater recharging?

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News this week

India's water situation alarming

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A panel of experts and representatives of the riverine community discuss changes observed in the Yamuna and its relationship with people.

Sarla Yadav, a resident of Yamuna Ghat 24 is a treasure trove of stories on the river Yamuna. She runs a boat business with her son Shyam who provides a nuanced personal account of living by the river and of eking out a meagre livelihood by plying boats. They are among a few families who have not sold their boats so far.

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Policy matter this week

Centre issues drought advisory to six states

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The maintenance cost of STP and its electricity bill is very high and as a result building members find it difficult to cope up with the maintenance. How can we reduce the STP cost? Is it compulsory to install STP in every building? How many flats must be their to support STP?

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Hi, I am working in ESBR wastewater treatment plant. We are struggling with a issue of Low MLSS, MLVSS in aeration tank and high COD after secondry clarifier.

  • MLSS-700 PPM, MLVSS- 300 PPM
  • Inlet COD 700-800 PPM and after secondry clarifier it is upto 400 ppm.

So, please suggest how to increase our MLSS/MLVSS and reduce COD in our plant.

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Policy matters this week

NGT raps green ministry for failing to curb depletion of groundwater

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A sensor network system is being used for mapping and monitoring the water quality of river Yamuna.

The Yamuna was considered a nurturing and life-enhancing goddess in the past. Legend has it that bathing in the sacred waters of the Yamuna, the sister of Yama, the god of death, frees one from the ordeal of death. The 1376-km river is a tributary of the Ganga and originates in the Yamunotri glacier in the lower Himalayas. It passes through several states in north India including Uttarakhand, Haryana, Uttar Pradesh and Delhi where the river was once its lifeline.

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India is facing a major water crisis and a number of water sector challenges remain unaddressed even today.

India is on the brink of a major water crisis. With drought looming over the southern and western parts of the country, the existing water resources are in peril. Rivers are getting more polluted, their catchments, water-holding and water-harvesting mechanisms are deteriorating and groundwater levels are depleting at an alarming rate.

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