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Studies on the Use of Water Reclaimed from Textile Wastewater in a Closed Circuit

Research and development

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Nr DOI: 10.5604/01.3001.0010.4629

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Abstract:

The aim of the study was to evaluate the effectiveness of the technology proposed for low -loaded wastewater treatment enabling multiple reuse of recycled water in a closed circuit. The subject of the study was real textile wastewater produced during the dyeing of cellulose fibres with reactive dyes. Initial wastewater was divided into low- and high-loaded streams. The low-loaded wastewater was subjected to pretreatment at biological, ultrafiltration and ozonation stages. The pretreatment was carried out four times. The reclaimed water was reused in the rinsing and washing operations. Evaluation was made of functional properties of cotton knitted fabric dyed in the process in which the reclaimed water was used. The permissible number of recycling cycles of reclaimed water for selected unit operations (rinsing, washing) was analysed with respect to functional properties of the dyed knitted fabric. In selected cases for all parameters tested, good, acceptable colorfastness was obtained.

Tags:

textile wastewater, closed water circuit, dyeing with reactive dyes, colour quality assessment.

Citation:

Sójka-Ledakowicz J, Kos L, Żyłła R, Paździor K, Ledakowicz S. Studies on the Use of Water Reclaimed from Textile Wastewater in a Closed Circuit. FIBRES & TEXTILES in Eastern Europe 2017; 25, 5(125): 61-66. DOI: 10.5604/01.3001.0010.4629

Published in issue no 5 (125) / 2017, pages 61–66.

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