Journal
CARBOHYDRATE POLYMERS
Volume 272, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2021.118471
Keywords
Heavy metals; Dyes; Adsorption; Modified nanocellulose; Mechanisms; Application
Categories
Funding
- National Key Research and Devel-opment Program of China [2019YFE0106900]
- National Natural Science Foundation of China [21621004, 21776212, 22008178]
- EU project Sustainable Process Inte-gration Laboratory - SPIL - EU CZ Operational Programme Research, Devel-opment and Education, Priority 1: Strengthening capacity for quality research [CZ.02.1.01/0.0/0.0/15_003/0000456]
- Tianjin University, PR China
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This review discusses the increasing application of nanocellulose-based materials as biosorbents for water pollutants treatment, highlighting surface modification, polymer grafting, hybrid composite fabrication, adsorption mechanisms, and regeneration methods. It also briefly describes the various forms of nanocellulose-based adsorbents with large-scale application.
In recent years, nanocellulose-based materials have been increasingly applied as a lot of biosorbents for the treatment of water pollutants due to their large specific surface area, easy modification, environmental friendliness, and reproducibility. In this review, surface modification of nanocellulose-based adsorbents with various effective adsorption groups is described, as well as polymer grafting and hybrid composite fabrication. The adsorption mechanisms involved in the adsorption process of pollutants by adsorbents are further analysed and summarized. The regeneration methods of nanocellulose adsorbents with different adsorption mechanisms are also demonstrated. In addition, this paper also briefly describes the forms of nanocellulose-based adsorbents with large-scale application including membranes, gels, flocculants and magnetic composites.
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