The Tamil Nadu Green Movement, a network of environmental activists, opposed some aspects of the effluent-to-irrigation scheme in the 1980s. Since then, the Seshasayee factory has come a long way.
Treated wastewater from paper factory irrigates sugarcane fields A hub of dyeing units in Tamil Nadu, Pallipalayam is an exhibition of groundwater pollution from industry. The Cauvery river is joined by steady streams of industrial effluents; tannery units upstream have already done their bit. In the heart of this industrial darkness is a story of farmer-industry simpatico that began in the
There are 15 distilleries in Tamil Nadu under operation. The distillery effluent (mainly spent wash) is dark brown in colour and acidic in nature. It contains high percentage of dissolved organic, inorganic matter and potassium. Till year 2000 these units had disposed the partly treated effluent on land as fertilizer and stored in lined lagoon for solar evaporation.
The Tannery sector is one of the most important highly water polluting industrial category. India has about 3,000 tanneries with a total processing capacity of 700,000 tons of hides and skins per year. In this paper an attempt is made to know the pollution level in the effluent generated and also suggest advanced treatment system to bring various pollutants like chlorides, COD, BOD and TDS.
The principle of attached growth process has been incorporated in this research study for the treatment of pharmaceutical wastewater. An investigation has been made using laboratory scale model upflow anaerobic filter (UAF) using polyurethane foam as packing medium to evaluate its performance in treating pharmaceutical wastewater under the influence of various operating conditions.
The textile industries in Tamil Nadu are in the process of providing zero liquid discharge (ZLD) system and they are in need of suitable technology for colour and organics removal so as to reduce the chemical consumption, energy consumption and sludge generation, which are problems in the conventional treatment methods.
Color and odour from integrated pulp and paper mill has been a matter of concern, on aesthetic sense, which has also been addressed in the CREP guidelines for the pulp and paper industry.
BGPPL Unit: Kamalapuram is one of the best unit in South India for manufacturings Dissolving Grade pulp with annual capacity of 98000 TPA, supplying to textile industries. This unit is located in Kamalapuram of Warangal in Andhra Pradesh. This unit has latest state of the art of equipments and entire plant is controlled through DCS (Distributed Control System).
