Wastewater

Featured Articles
October 11, 2022 In an effort to inform the general public, especially citizen activists, policymakers, researchers, and students, about the current status of the Vrishabhavathi river, Paani.Earth has created the necessary maps, data, analysis, and information to drive conservation awareness and action around the river.
Vrishabhavathi river (Image Source: Paani.Earth)
November 21, 2019 A report by NIUA brings to light the chinks in Jaipur's sewage system and suggests some solutions.
Routine check done by the sewage treatment plant staff in Delawas, Jaipur. The plant is part of the ADB best practices projects list. (Image: Asian Development Bank, Flickr Commons)
November 15, 2019 On World Toilet Day, we bring to light the labour of India’s sewer workers - those who do the unclean work that a Clean India relies on.
Photo credit: Sharada Prasad
October 28, 2019 Study identifies 5,000 illegal e-waste units in Delhi operating without health and environmental safeguards.
Most of the operations in these units were found to be manual and rudimentary (Image: Toxics Link)
October 25, 2019 Groundwater use has doubled in Pune. Comprehensive mapping of groundwater resources and better management and governance is the need of the hour.
Groundwater, an exploited resource (Image Source: India Water Portal)
October 6, 2019 India needs to come up with a regulation on use of toxic chemicals in detergents.
Nonylphenol, a toxic chemical found in detergents is known to enter the water bodies and even the food chain, where it bio-accumulates and can pose serious environmental and health risks (Image: Toxics Link)
Water conservation by industry - A case study of WIPRO Limited - Bangalore
This presentation describes the work of WIPRO Limited, Bangalore in conserving water in its operations at its campus location in Bangalore. Posted on 17 Nov, 2009 05:27 PM

The various initiatives taken up include setting up a monitoring and reporting system to keep track of the water usage, increasing the reverse osmosis plant efficiency, rainwater harvesting, treating sewage and reusing treated water and more.

Water conservation by industry - A case study of Vizag Steel
This presentation describes the work of Vizag Steel, in conserving water in its industrial processes at its Visakhapatnam plant. Posted on 17 Nov, 2009 05:24 PM

The various efforts taken up include water balancing/audit, supply and distribution of water through out the plant at required quality & quantity parameters, water recirculation & conservation, complete chemical treatment, converting waste water into makeup water grade, recovery of metallurgical waste and recycling of water, strengthening cooling system in c

Water conservation by industry - A case study of Reliance Industries Limited (Dahej)
This presentation describes the work of Reliance Industries Limited, in conserving water, in its industrial processes at its plant in Dahej, Gujarat. Posted on 17 Nov, 2009 05:04 PM

The various initiatives taken up include utilising backwash water for developing Jatropha plantations, recovering waste water, ground water recharging, utilisation of waste steam and reducing steam consumption, increasing cycle of concentration in all cooling towers and more.

Water conservation by industry - A case study of PepsiCo (Palakkad)
A presentation that describes the efforts of PepsiCo in conserving water in its industrial processes, at its plant in Palakkad, Kerala. Posted on 17 Nov, 2009 04:57 PM

 The various efforts taken up include reducing water usage and effluent generation, rainwater harvesting, treating and reusing effluent, reducing chemical usage, reducing ETP sludge, implementing zero discharge and more.

 

Water conservation by industry - A case study of Marico Limited (Jalgaon)
This presentation describes the work of Marico Limited, in conserving water in its industrial processes at its plant in Jalgaon. Posted on 17 Nov, 2009 04:53 PM

The various initiatives taken up include installing a water consumption measurement system, rainwater harvesting, using treated water, eliminating VAM chilled water overflow, diverting and reusing boiler blowdown water for gardening, providing side cover to barometric cooling tower, modifying water taps wit bell type arrangement, provision of sprinklers for gardenin

Water conservation by industry - A case study of Mahindra and Mahindra Limited (Nashik)
A presentation that describes the work of Mahindra and Mahindra Limited, in conserving water in its industrial processes at its plant in Nashik, Maharashtra. Posted on 17 Nov, 2009 04:50 PM

The various initiatives taken up include rainwater harvesting, installing effluent and sewage treatment plants, distributing water through over ground pipes, optimising the painting process, replacing inefficient pumps, installing the fire hydrant line above the ground and more.

Water conservation by industry - A case study of Kirloskar Brothers Limited (Pune)
This presentation describes the work of Kirloskar Brothers Limited, in conserving water in its industrial processes, at its plant in Pune. Posted on 17 Nov, 2009 04:47 PM

The various initiatives taken up include installing sensors/push type tap for hand wash/urinals, close loop hydro testing, installing drip irrigation and sprinklers for garden, installing float valves for old overhead tank, using percolated rain water for process, use of AC condensed water, use of air cooled instead of water cooled compressors, treating waste water and more.

Total water management by industry - A case study of JSW Steel (Vijayanagar)
This presentation describes the work of JSW Steel in implementing total water management in its plant at Vijayanagar, Karnataka. Posted on 17 Nov, 2009 04:43 PM

The various initiatives taken up include installing a fin-fan heat exchanger, rain water harvesting, increasing cycles of concentration in cooling towers, pumping seepage water, cascading use of water, zero waste water discharge and more.

Water conservation by industry - A case study of JK Tyre and Industries Limited (Kankroli)
This presentation describes the work of JK Tyre and Industries Limited, in conserving water in its Kankroli plant. Posted on 17 Nov, 2009 04:38 PM

The various strategies adopted by the company for recycling and reusing water included working for zero discharge, developing hydrophobia for water in unwanted places, eliminating all open drains, optimising/loading cooling towers to their 100%, reducing evaporation losses, radiator/air cooling, eliminating flash losses in steam usage, eliminating wastage, treating sewage and rain water harvesting. 

Water conservation in industry - A case study of ITC Limited - Paperboards and speciality papers division - Kovai, Tribeni and Bhadrachalam units (Tamil Nadu)
This presentation describes the work of ITC Paperboards and Speciality Papers Division , in conserving water, through waste water reuse and recycling and through various water reduction methods. Posted on 17 Nov, 2009 04:32 PM

 Some of the initiatives taken up are, recirculation of fresh water from overhead tank for compressor cooling, reduction of sealing water in couch by use of anti friction bearing, refurbishing of steam and condenser circuit, sequencing of coloured laminating grade making, use of new generation centri-cleaner system, reduction of leakage of glandsealing water through use of mechanical seals, use of highly efficient imported vacuum pumps, reduction in consumption of make up water in cooling water, introduction of reverse osmosis system, utilisation of treated effluent water for irrigation and more.

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