Ecological Approaches to Textile Dyeing: A Review

Livia Lara, Isabel Cabral and Joana Cunha
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Livia Lara: Centre for Textile Science and Technology (2C2T), Department of Textile Engineering, University of Minho, 4800-058 Guimarães, Portugal
Isabel Cabral: Centre for Textile Science and Technology (2C2T), Department of Textile Engineering, University of Minho, 4800-058 Guimarães, Portugal
Joana Cunha: Centre for Textile Science and Technology (2C2T), Department of Textile Engineering, University of Minho, 4800-058 Guimarães, Portugal

Sustainability, 2022, vol. 14, issue 14, 1-17

Abstract: Conventional dyeing processes currently practiced in the textile industry have a great environmental impact, mainly in relation to the quantity and pollution of water, use of toxic chemicals, atmospheric emissions, and high energy consumption. This study aims to discuss the relationship between the variables that involve conventional dyeing processes and environmental issues. It presents the mapping of the materials and emerging technologies for ecological coloration, specifically for the pretreatment and dyeing stages. Regarding pretreatment, it discusses biochemical (enzymes) and physical treatment (ultraviolet radiation, plasma, and ozone technology) approaches. With respect to the dyeing processes, it addresses ecological materials (natural dyes) and emerging technologies (such as plasma, supercritical CO 2 , AirDye ® , ultrasonic, microwave, Nano-Dye TM , and electrochemical). Given the importance of ecological coloration, this study provides important reflections on the urgency of resolving issues related to barriers and economic viability in the implementation of the alternatives presented and demonstrates the need to develop educational projects to prepare fashion and textile professionals.

Keywords: ecological coloration; emerging technologies; sustainable fashion (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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