DEVELOPMENT OF SUSTAINABLE PROCESSING AND WASHING TECHNIQUES IN YARN PROCESSING

TEXTILE ENGINEERING

Textile wet processing sector forms the basis of end of pipe treatment like bleaching, dyeing, printing and finishing. Direct end user takes up or feed to garment manufacturing are preceded by textile processing. Unlike yarn and fabric manufacture, this segment of the industry is suffering from environmental issues like water energy (heat and steam), power, labor and effluent generation including air pollution emissions. The current environmental regulations also call for a Zero Liquid Discharge system. The fabric wet processing industries employ batch (jigger, winch, jet dyeing and beam dyeing machines) and continuous process machines (CBR, J-box). Compared to batch machines the continuous wet processing machine system often saves in process time, water, effluent, energy and power apart from added productivity. Whereas the yarn wet processing sector employs mainly open tank cabinet and cheese dyeing, manual hank, bobbins cheese package machinery as per specific needs like atmospheric or HTHP etc. As a result of this higher water effluent @ 1:3 to 1:15 M: l ratio energy power and time. Specific technology development by way of yarn package development, process machines, process method and washing to achieve sustainable textile wet processing results in yarn wet processing and washing.

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