One of the biggest problems facing effluent producing industries like dyes and textiles, insecticide, synthetic polymers, common effluent treatment plants, sewage plants and water agencies now have solution to waste management.
The Ahmedabad Textile Industry's Research Association (ATIRA) has found a better, cost-effective solution to waste management— 'ZERO discharge' a treatment based on a process called Catalytic Ionizing Diffusion (CID) has been tested for about a year, and will hit the market soon.
This would mean relief to Industries from across the country, notably from the garment sector especially dyeing units who have been struggling to find a solution to their effluent problem.
A process called Diffusional Evaporation, replaces thermal energy with electricity to instantaneously convert the effluent's water content into vapour.
Dissolved solids, about 1 to 2 percent of the total weight of effluent, are left behind in powder form, as opposed to 25 to 30 percent that is left behind as moisture-rich sludge in conventional methods like Reverse Osmosis that would also drastically reduce solid waste handling costs.
This works on roughly the same principle as a home cooling device, but at a highly enhanced level and this process has already been in use for as long as 10 to 15 years abroad.
Treatment would cost only around Rs25 to 40 for 1,000 litres of effluent, as opposed to incineration at Rs500-800 per kilolitre.
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