- Delhi to get India’s first ever recycle wastewater treatment plant, after it became significantly popular in Singapore and Orange County
- Sujala Dhara plant set up by Absolute Water, in collaboration with Delhi Jal Board and SANA
- Non-potable use of the treatable water to be promoted extensively by Delhi Government
New Delhi, August 3, 2017: The capital has been suffering a water crisis for a while now, it was only a while back that a report warned the residents that 70 percent of the water in the capital was polluted and unfit to drink. After the spike in the industrial pollutants in the Yamuna river forced the Delhi Jal Board to take action by cutting 50 percent of water supply from two major water plants in Delhi.
After the reports were verified, it was evident that most of the water that the locals were consuming was diluted wastewater. There have been many short term preventive measures already been taken but in the long run, people are still unwilling to consume the recycled wastewater, even though half of the consumption currently is polluted by industrial and chemical waste.
The founder of Third World Center for Water Management said in an interview that, in Singapore, over 50 lakh residents have accepted it as a solution. Dependent on Malaysia for up to 50 percent of its water, Singapore decided that it was better to be self-reliant. With this ‘NEWater treatment plants’, it has not only managed that but also become a hub for advanced water research. A similar effort is also being done on an extensive scale in Orange County Water District in the US.
Rahul Jha of Absolute Water, the water wing of Chemical System Technologies says that “Astronauts do it abroad stations”, Absolute Water develops technology which renders wastewater into potable water. In collaboration with Delhi Jal Board and Social Awareness, Newer Alternatives (SANA) they have established a plant called Sujala Dhara, at the Keshopur Sewage Treatment Plant in July 2015. At a cost of Rs 55 lakh, this plant can produce over 4000 liters of clean water every hour. The plant will be monitored by Delhi Jal Board, while agencies like Central Pollution Control Board have already given it a go.
The wastewater purification process not only reduces the waste discharged into the river bodies but also amounts to 15 percent of raw water remaining after purification, which is rich in nutrients like potassium and nitrogen and can be used as a liquid fertilizer. Even though the people are not yet accepting of this method of purification in India, and the practice won’t be as widely popular as it is in Singapore but the recycled water can be used for domestic needs.
Work is initiated to supply the plant water to Keshopur Bus Depot for washing vehicles. The water will also be provided to the residence of Delhi Jal Board officials who live close to it, and where work on the dual piping system is proposed. So, two completely separate systems will be used to supply potable and recycled water to the users.
While there isn’t much heat on the aggressive consumption of recycled wastewater for drinking, but the Delhi’s Master Plan 2021 is already underway to promote extensive use of treated water for non-potable purposes.
–Prepared by Nivedita Motwani. Twitter @Mind_Makeup
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