Reusing Cotton Dye-Bath Effluent for Polyester Dyeing

IF 2.2 4区工程技术 Q1 MATERIALS SCIENCE, TEXTILES

Fibers and Polymers Pub Date : 2024-08-03 DOI:10.1007/s12221-024-00657-7

Ankita A. Yadav, Supriya Pandit, Ravindra V. Adivarekar, Anand V. Patwardhan

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Abstract

Over the generations, the textile industry has built a reputation as one of the world’s biggest water consumers and polluters. Today, the shift in environmental and social awareness impacts textile markets and production techniques. This paper describes a unique way to reduce the intake of freshwater for the dyeing process in the textile industry. Efforts have been made to utilize reactive, basic, and direct dye-bath effluents directly as liquor in polyester dyeing for 0.5, 2, and 4% shade of primary colors. The obtained result shows that the fabric dyed in effluents has acceptable color strength and color difference as that of the conventional dyeing process with freshwater. The fastness properties of all the dyed fabrics were good to excellent. Thus, this process can effectively reduce the intake of freshwater by about 30,000 L/ton. Also, it has an economic benefit and can save 450 Rs/ton. Thus, the findings prove that effluents generated from the cotton dyeing unit can be used directly for polyester dyeing.

Graphical Abstract

Abstract Image

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将棉花染浴废水回用于涤纶染色

经过几代人的发展，纺织业已成为世界上最大的水资源消耗者和污染者之一。如今，环境和社会意识的转变影响着纺织品市场和生产技术。本文介绍了一种减少纺织业染色过程中淡水摄入量的独特方法。在涤纶染色过程中，对 0.5%、2% 和 4%三原色色度的活性染料、碱性染料和直接染料浴废水直接作为染液加以利用。结果表明，用废水染色的织物与传统的淡水染色工艺相比，具有可接受的色牢度和色差。所有染色织物的牢度性能都从良好到极佳。因此，该工艺可有效减少淡水用量约 30,000 升/吨。此外，它还具有经济效益，每吨可节省 450 卢比。因此，研究结果证明，棉花染色装置产生的废水可直接用于涤纶染色。

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来源期刊

Fibers and Polymers 工程技术-材料科学：纺织

CiteScore

3.90

自引率

8.00%

发文量

267

审稿时长

3.9 months

期刊介绍： -Chemistry of Fiber Materials, Polymer Reactions and Synthesis- Physical Properties of Fibers, Polymer Blends and Composites- Fiber Spinning and Textile Processing, Polymer Physics, Morphology- Colorants and Dyeing, Polymer Analysis and Characterization- Chemical Aftertreatment of Textiles, Polymer Processing and Rheology- Textile and Apparel Science, Functional Polymers