纺织工业废料的评价：从棉/聚酯混纺剪切废料中回收纤维素

IF 7.1 2区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Waste management Pub Date : 2025-05-06 DOI:10.1016/j.wasman.2025.114850

Hüde Elkamel , Şeyda Taşar , Neslihan Duranay , Melek Yılgın

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引用次数: 0

摘要

本文研究了纺织工业中由棉/聚酯混纺组成的废料之一——剪切废料（SW）中纤维素的回收效率。从环境可持续性和废物管理的角度来看，将纺织工业废物转化为高附加值的二次产品很重要。在这方面提出的这项研究的主要目的是揭示这些废物的经济和生态潜力，并促进可持续废物管理模式的发展。我们的研究采用三阶段方法进行。首先，提供了作为原料的剪切废弃物并对其进行了表征。在第二阶段，采用不同的化学预处理（酸水解、碱水解和有机溶剂处理）回收纤维素，并计算纤维素的回收率。在第三阶段，回收的纤维素组分进行了详细的表征过程。结果表明，在上述化学预处理组合的过程中，废物中约97%的纤维素可累计回收。所得纤维素的结晶度指数（65 ~ 75%）和热稳定性随工艺参数的变化而变化。结果表明，纺织废弃物具有转化为高价值产品的潜力。据透露，它支持保护国家自然资源和零浪费政策。此外，本研究试图就方法的复杂性和适用性提出评价，并提出改进纺织废物管理战略的建议。这项研究包括的数据和评价在纺织工业的废物管理和环境政策方面可能是重要的，并提供一个重要的参考点。未来的研究应集中在优化溶剂回收系统和提高工业规模的适用性上。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Evaluation of textile industry wastes: Cellulose recovery from cotton/polyester blend shearing waste

In this study, the recovery efficiency of cellulose from shearing waste (SW), one of the textile industry wastes consisting of cotton/polyester blends, was investigated. Transforming textile industry wastes into high-value-added secondary products is important in terms of environmental sustainability and waste management. The main purpose of the study presented in this context is to reveal the economic and ecological potential of these wastes and to contribute to the development of a sustainable waste management model.

Our study was carried out with a three-stage methodology. First, shearing wastes used as raw materials were supplied and characterized. In the second stage, cellulose was recovered using various chemical pretreatments (acid hydrolysis, alkaline hydrolysis, and organosolvent treatment), and the recovery efficiency was calculated. In the third stage, the recovered cellulose fractions were subjected to a detailed characterization process. It was determined that approximately 97% of the cellulose from the wastes could be recovered cumulatively as a result of the process carried out with the combination of the mentioned chemical pretreatments. The recovered cellulose showed varying crystallinity index (65–75%) and thermal stability depending on the process parameters. As a result, it was concluded that textile wastes have the potential to be converted into high-value products. It was revealed that it supports the protection of national natural resources and zero waste policies. In addition, the study tried to present evaluations regarding the complexity and applicability of the methodology and suggestions for improving textile waste management strategies.

This research includes data and evaluations that can be important in terms of waste management and environmental policies in the textile industry and provide an important reference point. Future studies should focus on optimizing the solvent recovery system and increasing industrial-scale applicability.

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来源期刊

Waste management 环境科学-工程：环境

CiteScore

15.60

自引率

6.20%

发文量

492

审稿时长

39 days

期刊介绍： Waste Management is devoted to the presentation and discussion of information on solid wastes,it covers the entire lifecycle of solid. wastes. Scope: Addresses solid wastes in both industrialized and economically developing countries Covers various types of solid wastes, including: Municipal (e.g., residential, institutional, commercial, light industrial) Agricultural Special (e.g., C and D, healthcare, household hazardous wastes, sewage sludge)