Treatment and Purification

Located in the Hauz Khas urban village in the busy metropolis of Delhi is an exquisitely landscaped lush green patch. This deer park, with spotted deer, peacocks and numerous birds, leads to an incredibly beautiful lake. As per a plaque at the site, the lake is a part of the medieval (13^th century) city of Delhi Sultanate.

Around 25 lakh pilgrims across the country took a holy dip in the Mahanadi during the Rajim kumbh festival held in Rajim from January 31-February 13, 2018. For this annual religious extravaganza at the confluence of the Mahanadi, Sondur and Pairi rivers in Chhattisgarh, the state government organised various religious events.

GoI allocations for the Ministry of Drinking Water and Sanitation is Rs. 22,357 crores

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.

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! 

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.

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.

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.

Hotels, industries, ashrams polluting the Ganga to be sealed

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.