Shuang Liang, Xuechuan Wang, Siwei Sun, Dongyu Hao, Long Xie, Jin Yang, Xugang Dang
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Polysaccharides for sustainable leather production: a review
Leather production for human protection has been an essential industrial activity since the start of civilization, yet classical leavering methods induce pollution of ecosystems by dyes, chromium-containing wastewater, and solid waste. Here, we review sustainable leather production using polysaccharides and modified polysaccharides, which are cheap, easy to obtain, and non-toxic. Polysaccharides include starch, chitosan, cellulose, and cyclodextrins. We discuss application for leather tanning, prevention of leather mildew, leather finishing and dyeing, and wastewater treatment. The leather properties meet the requirements of garment leathers, with tear strength higher than 18 N per mm and tensile strength higher than 6.5 MPa.
期刊介绍：
Environmental Chemistry Letters explores the intersections of geology, chemistry, physics, and biology. Published articles are of paramount importance to the examination of both natural and engineered environments. The journal features original and review articles of exceptional significance, encompassing topics such as the characterization of natural and impacted environments, the behavior, prevention, treatment, and control of mineral, organic, and radioactive pollutants. It also delves into interfacial studies involving diverse media like soil, sediment, water, air, organisms, and food. Additionally, the journal covers green chemistry, environmentally friendly synthetic pathways, alternative fuels, ecotoxicology, risk assessment, environmental processes and modeling, environmental technologies, remediation and control, and environmental analytical chemistry using biomolecular tools and tracers.
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