Unveiling the Microfiber Release Footprint: Guiding Control Strategies in the Textile Production Industry

超细纤维 染色 织物 纺织工业 聚酯纤维 制浆造纸工业 合成纤维 环境污染 材料科学 纤维 生产(经济) 废物管理 环境科学 复合材料 工程类 环境保护 考古 经济 宏观经济学 历史
作者
Mengjing Wang,Junjie Yang,Siwen Zheng,Linran Jia,Zhi Yuan Yong,Ee Ling Yong,Hong Heng See,Jiuwei Li,Yunbo Lv,Xunchang Fei,Mingliang Fang
出处
期刊:Environmental Science & Technology [American Chemical Society]
卷期号:57 (50): 21038-21049 被引量:3
标识
DOI:10.1021/acs.est.3c06210
摘要

Microplastic fibers from textiles have been known to significantly contribute to marine microplastic pollution. However, little is known about the microfiber formation and discharge during textile production. In this study, we have quantified microfiber emissions from one large and representative textile factory during different stages, spanning seven different materials, including cotton, polyester, and blended fabrics, to further guide control strategies. Wet-processing steps released up to 25 times more microfibers than home laundering, with dyeing contributing to 95.0% of the total emissions. Microfiber release could be reduced by using white coloring, a lower dyeing temperature, and a shorter dyeing duration. Thinner, denser yarns increased microfiber pollution, whereas using tightly twisted fibers mitigated release. Globally, wet textile processing potentially produced 6.4 kt of microfibers in 2020, with China, India, and the US as significant contributors. The study underlined the environmental impact of textile production and the need for mitigation strategies, particularly in dyeing processes and fiber choice. In addition, no significant difference was observed between the virgin polyesters and the used ones. Replacing virgin fibers with recycled fibers in polyester fabrics, due to their increasing consumption, might offer another potential solution. The findings highlighted the substantial impact of textile production on microfiber released into the environment, and optimization of material selection, knitting technologies, production processing, and recycled materials could be effective mitigation strategies.

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