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Carbon Footprint and Water Footprint of Cashmere Fabrics

Research and development

Authors:

  • Chen Bilin
    School of Fashion Design & Engineering, Zhejiang Sci-Tech University (ZSTU), Zhejiang, P. R. China
  • Qian Weiran (j/w)
  • Yang Yiduo (j/w)
  • Liu Hong
    Colleges of Textile and Clothing, Qingdao University, Qingdao, P. R. China
  • Wang Laili
    Zhejiang Academy of Ecological Civilization, Hangzhou, China

Nr DOI: 10.5604/01.3001.0014.8235

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Abstract:

Given the serious problems of climate change, water shortage and water pollution, researchers have paid increasing attention to the concepts of the carbon footprint and water footprint as useful indices to quantify and evaluate the environmental impacts of the textile industry. In this study, assessment of the carbon footprints and water footprints of ten kinds of cashmere fabrics was conducted based on the PAS 2050 specification, the Water Footprint Network approach and the ISO 14046 standard. The results showed that knitted cashmere fabrics had a greater carbon footprint than woven cashmere fabrics. Contrarily, woven cashmere fabrics had a greater water footprint than knitted cashmere fabrics. The blue water footprint, grey water footprint and water scarcity footprint of combed sliver dyed woven cashmere fabric were the largest among the ten kinds of cashmere fabrics. The main pollutants that caused the grey water footprints of cashmere fabrics were total phosphorus (TP), chlorine dioxide, hexavalent chromium (Cr (VI)) and sulfide. The leading contributors to the water eutrophication footprint were total nitrogen, ammonia nitrogen, chemical oxygen demand and TP. These typical pollutants contributed 39% ~ 48%, 23% ~ 28%, 12% ~ 24% and 12% ~ 14% to each cashmere product’s water eutrophication footprint, respectively. The leading contributors to the water ecotoxicity footprint were aniline, Cr (VI) and absorbable organic halogens discharged in the dyeing and finishing process.

Tags:

cashmere fabrics; carbon footprint; water footprint; environmental impact.

Citation:

Chen B, Qian W, Yang Y, Liu H, Wang L. Carbon Footprint and Water Footprint of Cashmere Fabrics. FIBRES & TEXTILES in Eastern Europe  2021; 29, 4(148): 94-99. DOI: 10.5604/01.3001.0014.8235

Published in issue no 4 (148) / 2021, pages 94–99.

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