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Research Advances in Nanocellulose Preparation and Industrialization
Received:September 01, 2021  
DOI：10.11980/j.issn.0254-508X.2021.11.010
Key Words:nanocellulose  preparation  pretreatment  drying  appli-cation  industrialization
Fund Project:国家自然科学基金（31700510；22178206）；国家留学基金委项目（201908610074）；“生物质化学与材料”院士工作室项目（134090002）。
Author NameAffiliationPostcode
ZHANG Yanling College of Bioresources Chemical and Materials Engineering， Shaanxi Provincal Key Lab of Papermaking Technology and Specialty Paper Development， Xi’an， Shaanxi Province， 710021
Limerick Pulp and Paper Research， University of New Brunswick， Fredericton， New Brunswick， E3B 5A3， Canada 		E3B 5A3
DUAN Chao* College of Bioresources Chemical and Materials Engineering， Shaanxi Provincal Key Lab of Papermaking Technology and Specialty Paper Development， Xi’an， Shaanxi Province， 710021
Limerick Pulp and Paper Research， University of New Brunswick， Fredericton， New Brunswick， E3B 5A3， Canada 		E3B 5A3
DONG Fengxia China National Pulp and Paper Research Institute Co.， Ltd.， Beijing， 100102 100102
LIU Jun College of Bioresources Chemical and Materials Engineering， Shaanxi Provincal Key Lab of Papermaking Technology and Specialty Paper Development， Xi’an， Shaanxi Province， 710021 710021
GAO Kun College of Bioresources Chemical and Materials Engineering， Shaanxi Provincal Key Lab of Papermaking Technology and Specialty Paper Development， Xi’an， Shaanxi Province， 710021 710021
WANG Jian College of Bioresources Chemical and Materials Engineering， Shaanxi Provincal Key Lab of Papermaking Technology and Specialty Paper Development， Xi’an， Shaanxi Province， 710021 710021
ZOU Xuejun FPInnovations， Pointe Claire， Quebec， H9R 3J9， Canada H9R 3J9
NI Yonghao College of Bioresources Chemical and Materials Engineering， Shaanxi Provincal Key Lab of Papermaking Technology and Specialty Paper Development， Xi’an， Shaanxi Province， 710021
Limerick Pulp and Paper Research， University of New Brunswick， Fredericton， New Brunswick， E3B 5A3， Canada 		E3B 5A3
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Abstract:Nanocellulose has attracted much attention due to its high strength， light weight， renewable and biodegradable properties. The application of nanocellulose and its products can help address long-standing problems regarding resources， environment， health， and safety. Nanocellulose mainly includes cellulose nanocrystal （CNC） and cellulose nanofibril （CNF）. This paper reviewed the latest progress of nanocellulose preparation and drying as well as compared the advantages/disadvantages regarding the above-mentioned aspects. The existing or potential industrialized production methods， e.g.， organic acid/solid acid hydrolysis， new solvent （DES）， and American high value-added pulping method （AVAP） for CNC preparation， Enzymatic hydrolysis， organic acid， DES pretreatment， and spray drying for CNF preparation were mainly introduced. The current status quo of commercial production and application for nanocellulose were introduced and further R&D needs were identified as well， in order to provide references for the green， scale preparation and commercial utilization of nanocellulose.
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