Wastewater Reuse and Recycling

The presentation provides several water management measures including rainwater harvesting, grey water reuse, black water treatment and use and eco-sanitation in  Andaman and Nicobar islands. It also provides recommendations for modification in agricultural practices and other livelihoods that can be taken up with the given water availability.

The industry that currently does not treat or recycle any water. The treatment tank occupies less than 3 m2 floor area and the entire system costs less than Rs 1,00,000 to implement.

This book was commissioned by the Asian Development Bank as part of its support to the Asia-Pacific Water Forum (APWF), an independent, non-partisan, non-political network of institution

This presentation describes the efforts made by the Heavy Water Plant at Kota at environmental footprint reduction.

This presentation describes the efforts made by HIndustan Zinc Limited at water conservation.

This presentation describes the efforts at environmental management at  JK  Tyres, Kankroli, plant.

This presentation describes the efforts undertaken by ITC Bhadrachalan at water conservation. The company has chosen energy management, environmental & waste management and social & farm forestry as major focus areas for CSR.

Specific processes include recycling/reuse of paper mill back water for dilution of bleached pulp and unbleached tower as well as for pulp slushing; of recausticising plant cooling and sealing water to clarifloculator; reduction in DM water consumption due to increase in process condensate recovery; arresting water piping leakages including fire hydrant piping by clamping; and recycling of paper machine primary clarifier outlet water for miscellaneous uses. Specific water consumption trends show a decrease from 183 cu m/tonne in 1997-'98 to 60.7 cu m/tonne in 2006-'07.

Operating the world's largest barge mounted power plant off the coast of Mangalore, GMR Energy has a specific water consumption of .126 cu m/MWH, which is less than half the national benchmark of .276 cu m/MWH for such plants.

This presentation describes the efforts made by Carrier Aircon, Gurgaon at water conservation. This paper and board manufacturer has brought about a reduction in specific water consumption from 173 cu m/MT of paper (2003-04) to 130 cu m/MT of paper (2006-07), while waste water discharge over the same period has come down from 169 cu m/MT to 103 cu m/MT.