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

Kirti Mishra, Samarjeet Singh Siwal*, Thandiwe Sithole, Nirankar Singh, Phil Hart, Vijay Kumar Thakur*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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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.

Original languageEnglish
JournalJournal of Bioresources and Bioproducts
Early online date10 Dec 2023
DOIs
Publication statusFirst published - 10 Dec 2023

Bibliographical note

Publisher Copyright:
© 2023 The Authors

Keywords

  • Cellulose
  • Cellulose membrane
  • Hydrogel
  • Nanocrystal
  • Wastewater treatment

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