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Improved design for textile production process based on life cycle assessment

机译：基于生命周期评估的纺织品生产过程改进设计

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摘要

The textile industry has a high environmental impact, discharging significant amounts of industrial water, consuming high levels of energy, and emitting vast amounts of air pollutants. To meet the requirement of sustainable manufacturing, we built a system-oriented improved design framework based on life cycle assessment (LCA) for an existing polyester-cotton production system to reduce the environmental impacts of the production process. LCA was used to identify candidates for best available technology (BAT) development. The effect of the BATs on environmental, economic, and product performance was evaluated. LCA identified that polyester-cotton production exerted the greatest environmental impacts on marine aquatic ecotoxicity potential, global warming potential, and abiotic depletion. The printing and dyeing stages of the production process were the most damaging to the environment. Six BATs were proposed and all were feasible with clear economic and environmental benefits, as the resource depletion, ecological influence, and human health values were reduced by 50.13, 50.08, and 7.65%, respectively, compared with the existing process. In addition, the quality of the products, such as color fastness and color shade, was greatly improved. We suggest that future studies should also take into consideration the distribution and use stage using accurate and representative original data, to further improve the sustainability of the production process. Human health, fertilizer leakage, land use, and pesticides should also be taken into account within the life cycle of textiles.
机译：纺织工业对环境的影响很大，排放大量的工业用水，消耗大量的能源，并排放大量的空气污染物。为了满足可持续制造的需求，我们为现有的聚酯棉生产系统建立了基于生命周期评估（LCA）的面向系统的改进设计框架，以减少生产过程对环境的影响。 LCA用于确定最佳可用技术（BAT）开发的候选人。评估了最佳可行技术对环境，经济和产品性能的影响。 LCA确认，聚酯棉的生产对海洋水生生态毒性潜力，全球变暖潜力和非生物消耗具有最大的环境影响。生产过程的印染阶段对环境的破坏最大。提出了六个最佳可行技术，并且所有可行技术均具有明显的经济和环境效益，与现有工艺相比，资源消耗，生态影响和人类健康价值分别降低了50.13、50.08和7.65％。此外，产品的质量，例如色牢度和色泽也大大提高。我们建议以后的研究也应考虑使用准确和有代表性的原始数据进行分配和使用的阶段，以进一步提高生产过程的可持续性。在纺织品的生命周期内，还应考虑人体健康，肥料泄漏，土地使用和农药。

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  • 来源
    《Clean technologies and environmental policy》 |2018年第6期|1355-1365|共11页
  • 作者

    Zhang Yun; Kang Hong; Hou Haochen; Shao Shuai; Sun Xiaoyang; Qin Chenglu; Zhang Shushen;

  • 作者单位

    Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, Sch Environm Sci & Technol, Linggong Rd 2, Dalian 116024, Peoples R China;

    Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, Sch Environm Sci & Technol, Linggong Rd 2, Dalian 116024, Peoples R China;

    Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, Sch Environm Sci & Technol, Linggong Rd 2, Dalian 116024, Peoples R China;

    Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, Sch Environm Sci & Technol, Linggong Rd 2, Dalian 116024, Peoples R China;

    Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, Sch Environm Sci & Technol, Linggong Rd 2, Dalian 116024, Peoples R China;

    Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, Sch Environm Sci & Technol, Linggong Rd 2, Dalian 116024, Peoples R China;

    Dalian Univ Technol, Key Lab Ind Ecol & Environm Engn MOE, Sch Environm Sci & Technol, Linggong Rd 2, Dalian 116024, Peoples R China;

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  • 正文语种 eng
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  • 关键词

    Textile production; Process improved design; Life cycle assessment; Best available technologies; Performance evaluation;

    机译：纺织品生产;工艺改进的设计;生命周期评估;最佳可用技术;性能评估;

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