‘Sludge a goldmine, can yield manure, bricks and extra’ | India Information – Instances of India


National Mission for Clean Ganga (NMCG) is tasked with growing a round economic system mannequin targeted on reclaiming, reusing and recycling water. Vishwa Mohan spoke to NMCG DG GAsok Kumar. Edited excerpts:
Your tackle water availability and administration?
Speedy urbanisation and industrialisation have created a demand-supply hole for water. India is already a ‘waterstressed’ nation and its water demand might exceed availability by over 50% in 2050. So, there’s a rising recognition of the necessity to transfer in the direction of a round water economic system mannequin. However sustainability, resilience and danger mitigation methods have to be embedded on this strategy.
What are the Clear Ganga Mission’s achievements with the round economic system mannequin?
NMCG’s improvements like HAM-PPP (Hybrid Annuity primarily based PPP) mannequin and ‘One Metropolis One Operator’ mannequin have been extremely profitable and are being adopted in different components of the nation. NITI Aayog is getting ready normal pointers for PPP initiatives within the water sector primarily based on our HAM mannequin. NMCG can also be supporting wastewater reuse initiatives in states adjoining the Ganga.
Is the river rejuvenation strategy serving to obtain circularity?
Monetising the reuse and recycling of handled sludge and wastewater is likely one of the six pillars of ‘Arth Ganga’, our self-sustaining financial mannequin. City native our bodies (ULBs) are inspired to undertake fashions for income technology in addition to conversion of sludge into helpful merchandise reminiscent of manure, pavers, bricks, and so on. The mannequin strives to contribute at the least 3% of GDP from the river basin itself.
Please share examples of ongoing water circularity initiatives.
The tertiary therapy plant at Indian Oil Company’s refi nery in Mathura, Uttar Pradesh, was set as much as provide handled wastewater to the refi nery for non-potable functions. NMCG is in superior levels of discussions to tie up with 11 thermal energy technology items for taking handled water from their STPs for various makes use of. We’re additionally planning to make the most effective use of sludge from STPs. For instance, we will make biogas from sludge. In Dinapur, Varanasi, a 140 MLD (million litres per day) plant produces sufficient electrical energy for its wants.
What function can the non-public sector play on this?
We’ve to scale back using potable water for nonpotable functions, so treating wastewater generally is a profitable enterprise for personal gamers and concrete native our bodies. Earnings from handled water used for industrial functions may assist in subsidising protected water for poor folks.

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