皮革工业固体废物再生产品:未来展望与当前进展

IF 6.6 Q1 ENGINEERING, ENVIRONMENTAL Journal of hazardous materials letters Pub Date : 2024-05-03 DOI:10.1016/j.hazl.2024.100112
Rethinam Senthil
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引用次数: 0

摘要

由于铬的毒性,铬废料(CW)的去除被认为是一个重大的环境问题。本研究试图利用铬废料粉末(CWP)、纸板废纤维(CBWF)和蛋白质粘合剂(PB),通过液压湿热压法制成具有皮革替代效果的再生柔性片材(RFS)。制备的 RFS 具有高分辨率扫描电子显微镜(HR-SEM)、热重分析(TGA)、机械分析和生物降解特性。结果表明,纤维/聚合物膜与 RFS 的结合力很强。在这方面,RFS 具有合适的机械性能,如拉伸强度(37.54 ± 1.32 兆帕)、断裂伸长率(33.64 ± 0.52 %)、柔韧性(5.34 ± 0.67 %)、吸水性(27.74 ± 1.56 %)和解吸水性(27.46 ± 0.76 %)。RFS 具有皮革片材生产所需的机械性能,而且可生物降解。研究证明,这些复合材料可成功用于生产具有成本效益的皮革制品和鞋类产品。从废物中生产有用的副产品既能创收,又能减少环境污染,这项研究证明了废物回收利用技术的可行性。
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Regenerated products from leather industrial solid waste: Future perspective and current advances

The removal of chrome waste (CW) has been identified as a significant environmental problem due to chromium's toxicity. This study tried to make a regenerated flexible sheet (RFS) with a leather alternative effect from chrome waste powder (CWP), cardboard waste fiber (CBWF), and protein binder (PB) fabricated by the hydraulic wet and hot press method. The prepared RFS was characterized by its High-resolution scanning electron microscopy (HR-SEM), thermo gravimetric analysis (TGA), mechanical analysis, and biodegradation properties. The result showed the strong binding achieved with fiber/polymer membrane for RFS. In this regard, RFS with suitable mechanical properties such as tensile strength (37.54 ± 1.32 MPa), elongation at break (33.64 ± 0.52 %), flexibility (5.34 ± 0.67 %), water absorption (27.74 ± 1.56 %), and water desorption (27.46 ± 0.76 %) properties. RFS possessed the required mechanical properties for leather sheet production and it was also biodegradable. The study proves that these composites could be successfully used for the production of cost-effective leather goods and footwear production. Production of useful byproducts from waste is income generating and at the same time reduces environmental pollution and a feasible technology for waste recycling has been proved in this study.

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来源期刊
Journal of hazardous materials letters
Journal of hazardous materials letters Pollution, Health, Toxicology and Mutagenesis, Environmental Chemistry, Waste Management and Disposal, Environmental Engineering
CiteScore
10.30
自引率
0.00%
发文量
0
审稿时长
20 days
期刊最新文献
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