지속가능 섬유 소재 추적성과 저탄소화 공정
Low Carbonization Technology & Traceability for Sustainable Textile Materials
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To realize the traceability of sustainable textile products, this study presents a low-carbon process throughenergy savings in the textile material manufacturing process. Traceability is becoming an important element of Life CycleAssessment (LCA), which confirms the eco-friendliness of textile products as well as supply chain information. Textileproducts with complex manufacturing processes require traceability of each step of the process to calculate carbon emis-sions and power usage. Additionally, an understanding of the characteristics of the product planning-manufacturing-dis-tribution process and an overall understanding of carbon emissions sources are required. Energy use in the textilematerial manufacturing stage produces the largest amount of carbon dioxide, and the amount of carbon emitted from pro-cesses such as dyeing, weaving and knitting can be calculated. Energy saving methods include efficiency improvementand energy recycling, and carbon dioxide emissions can be reduced through waste heat recovery, sensor-based smart sys-tems, and replacement of old facilities. In the dyeing process, which uses a considerable amount of heat energy, LNG,steam can be saved by using “heat exchangers,” “condensate management traps,” and “tenter exhaust fan controllers.”In weaving and knitting processes, which use a considerable amount of electrical energy, about 10- 20% of energy canbe saved by using old compressors and motors.
Abstract
To realize the traceability of sustainable textile products, this study presents a low-carbon process throughenergy savings in the textile material manufacturing process. Traceability is becoming an important element of Life CycleAssessment (LCA), which confirms the eco-friendliness of textile products as well as supply chain information. Textileproducts with complex manufacturing processes require traceability of each step of the process to calculate carbon emis-sions and power usage. Additionally, an understanding of the characteristics of the product planning-manufacturing-dis-tribution process and an overall understanding of carbon emissions sources are required. Energy use in the textilematerial manufacturing stage produces the largest amount of carbon dioxide, and the amount of carbon emitted from pro-cesses such as dyeing, weaving and knitting can be calculated. Energy saving methods include efficiency improvementand energy recycling, and carbon dioxide emissions can be reduced through waste heat recovery, sensor-based smart sys-tems, and replacement of old facilities. In the dyeing process, which uses a considerable amount of heat energy, LNG,steam can be saved by using “heat exchangers,” “condensate management traps,” and “tenter exhaust fan controllers.”In weaving and knitting processes, which use a considerable amount of electrical energy, about 10- 20% of energy canbe saved by using old compressors and motors.
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