Biorenewable materials for water remediation: The central role of cellulose in achieving sustainability

IF 20.2 Q1 MATERIALS SCIENCE, PAPER & WOOD
Kirti Mishra , Samarjeet Singh Siwal , Thandiwe Sithole , Nirankar Singh , Phil Hart , Vijay Kumar Thakur
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Abstract

As the population increases and manufacturing grows, greenhouse gas and other harmful emissions increase. Contaminated with chemicals such as dyes, pesticides, pharmaceuticals, oil, heavy metals or radionuclides, wastewater purification has become an urgent issue. Various technologies exist that can remove these contaminants from wastewater sources, but they often demand high energy and/or high cost, and in some cases produce contaminant laden sludge that requires safe disposal. The need for methods which are less capital intensive, less operationally costly and more environmentally friendly is suggested. Cellulose-based materials have emerged as promising candidates for wastewater treatment due to their renewability, low cost, biodegradability, hydrophilicity, and antimicrobial property. In this review article, we focussed on developing sustainable and biodegradable cellulose-based materials for wastewater treatment. This article deals with cellulose-based materials’ scope and their conversion into valuable products like hydrogel, aerogel, cellulose composites, and nanocellulose. The cellulose-based materials have no harmful environmental impact and are plentiful. The modified cellulose-based materials applying as membrane, adsorbent, sorbent, and beads to purify the wastewater were discussed. Finally, the challenges and future prospects of cellulose-based materials for wastewater treatment were considered, emphasizing their potential to be sustainable and eco-friendly alternatives to traditional materials used in wastewater treatment.

Abstract Image

用于水质修复的生物可再生材料:纤维素在实现可持续性方面的核心作用
随着人口的增加和制造业的发展,温室气体和其他有害气体的排放量也在增加。由于受到染料、杀虫剂、药品、石油、重金属或放射性核素等化学物质的污染,废水净化已成为一个亟待解决的问题。目前已有各种技术可以去除废水中的这些污染物,但这些技术往往需要高能耗和/或高成本,在某些情况下还会产生需要安全处置的含有污染物的污泥。因此,需要采用资本密集度较低、运营成本较低、更加环保的方法。纤维素基材料因其可再生性、低成本、可生物降解性、亲水性和抗菌性,已成为污水处理的理想候选材料。在这篇综述文章中,我们重点讨论了开发用于废水处理的可持续、可生物降解的纤维素基材料。本文论述了纤维素基材料的范围及其转化为水凝胶、气凝胶、纤维素复合材料和纳米纤维素等有价值产品的过程。纤维素基材料不会对环境造成有害影响,而且资源丰富。此外,还讨论了可用作膜、吸附剂、吸附剂和珠子等净化废水的改性纤维素基材料。最后,考虑了纤维素基材料在废水处理方面面临的挑战和未来前景,强调了它们作为用于废水处理的传统材料的可持续和生态友好型替代品的潜力。
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来源期刊
Journal of Bioresources and Bioproducts
Journal of Bioresources and Bioproducts Agricultural and Biological Sciences-Forestry
CiteScore
39.30
自引率
0.00%
发文量
38
审稿时长
12 weeks
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