/topics/wastewater-reuse-and-recycling
Wastewater Reuse and Recycling
Water conservation efforts (2007) ITC Limited PSPD Unit, Kovai (Tamil Nadu)
Posted on 28 May, 2009 10:34 AMThis presentation describes the water conservation efforts made by ITC Limited, PSPD unit, Kovai, Tamil Nadu. ITC's Kovai unit manufactures paperboard and specialty papers (PSPD). Investments of Rs 30 million in water conservation, Rs.500 million on energy conservation and Rs.150 million on waste utilization have helped this plant achieve many breakthroughs, among them zero effluent discharge and zero solid waste output. 100% of the fly ash from the boiler, sludge from the ETP & plastics from waste is recycled.
The use of waste biomass as the main fuel for the boiler has reduced CO2 emissions by 96,000 tonnes per annum. Under the green belt development activities, vegetation has gone up from 20,000 trees in 2004-'05 to 80,500 in 2006-'07.
Indo Rama Synthetics(I) Ltd in Butibori, Nagpur undertakes water conservation measures as corporate initiative (2007)
Posted on 27 May, 2009 05:33 PMThis presentation describes the efforts undertaken by Indo Rama Synthetics (I) Limited, Butibori, Nagpur, at water conservation.
Birla Corporation Ltd in Satna, Madhya Pradesh, undertakes water conservation efforts as a corporate initiative (2007)
Posted on 27 May, 2009 03:24 PMThis presentation describes the efforts made by Birla Corporation Ltd at Satna, Madhya Pradesh at water conservation.
Naini Tissues Ltd, Uttarakhand, undertakes effort for water management as a corporate initiative (2007)
Posted on 27 May, 2009 11:51 AMThis presentation provides information on the efforts undertaken by Naini Tissues Uttarakhand, at water conservation. This company, which manufactures writing and printing grade paper, has achieved the best process and utility parameters among plants of its kind.
Conservation, effluent treatment and recycling efforts of Hindalco Industries, Jharkhand (2007)
Posted on 26 May, 2009 12:32 PMThis presentation describes the conservation, effluent treatment and recycling efforts of Hindalco Industries (Jharkhand). Alumina production is highly water intensive and has a major impact on the environment through toxic effluents and greenhouse gases.
Safe and sustainable clean water access - case studies by Whitman Direct Action examining the obstacles to water development in India
Posted on 21 May, 2009 12:01 PMThis Whitman Direct Action water book examines the socio-political and technological obstacles to water development in India and has become a transparent resource for other NGOs, the government sector, academics, and interested individuals to glean the expertise of their contemporaries in the fields of water development and water purification technology.
Water management in the 21st century - policy and planning
Posted on 16 May, 2009 01:48 PMA national discussion is underway in India on water management issues, with a significant emphasis on decentralization of water supply systems. Rashtriya Jal Biradari of Rajasthan held a conference in New Delhi in June 2004 (indiatogether.org, July 2004) to propose policies and steps to address India’s water problems.
Tutorials on wastewater treatment and management
Posted on 16 May, 2009 01:15 PMBasic and advanced tutorial on wastewater management by Shiv Shankar Ranganathan
Water treatment produces irrigation water for local parks: a case study from Vasant Vihar, New Delhi
Posted on 11 May, 2009 03:12 PMAt Delhi, there are dirty waste water rivulets, “nallahs” crisscrossing all localities and adding to the pollutant load of the river Yamuna. The situation is alarming with today’s count of nallahs standing at more than 22 Nos. These urban drains are nature’s creation and are meant to convey storm / rain water from upstream areas to downstream, finally leading to the river.
Ecosan calculations & urine as a fertilizer!
Posted on 08 Dec, 2008 12:33 PMVishwanath calls on all to set aside the "yuck" factor and take a rational view of the use of urine as a fertilizer. From a open discussion he goes on to list out the advantages of using plant nutrient rich urine as fertilizer and provides the maths behind his validation!! Write in with your take in the comments!