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Tamil Nadu
Tirupur: The district administration in consultation with the State Planning Commission (SPC) will be promoting environmentally sustainable textile processing methods utilising the corpus created under the Environment Protection and Clean Energy Fund to ensure clean Tirupur, according to SPC full-time member G. Kumaravelu. “The projects that are to be encouraged on a large scale included the use of potassium sulphate instead of sodium chloride in the dyeing process, setting up of natural evaporators and production of eco-friendly Indigo dyes,” he told reporters here on Friday. On potassium sulphate as substitute for sodium chloride, he said that the use of sodium chloride would enhance salinity levels whereas the presence of potassium improves retention of water in plants even if the residue was discharged through the channels. “The benefits of potassium sulphate over sodium chloride has been tested and proved at the South India Textile Research Association (SITRA),” he added. Mr. Kumaravelu said that production units to manufacture nature-friendly Indigo dyes from Indigofera tinctoria plants would be promoted by the district administration. These plants would be raised as intercrop between casuarinas and neem trees. “We have tentatively identified about 27.8 acres on farmers' holdings at Kathankanni and Kammareddipalayam areas in Kangayam block, to raise these species, which in turn will give the beneficiary farmers' a good revenue,” he said. The Murugappa Chettiar Research Institute in Chennai would be giving the technology support to the farmers to raise the plants and also for extraction of Indigo dyes, he added. On the natural evaporators, he said that it would be an effective method to remove the salt from the effluents generated. Collector C. Samayamoorthy was present.
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