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Published in: Cellulose 13/2020

01-07-2020 | Original Research

Preparation and oil adsorption properties of hydrophobic microcrystalline cellulose aerogel

Authors: Yifan Zhao, Kai Zhong, Wei Liu, Sheng Cui, Ya Zhong, Shengjun Jiang

Published in: Cellulose | Issue 13/2020

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Abstract

Hydrophobic microcrystalline cellulose (MCC) aerogel is synthesized using microcrystalline cellulose and NaOH/urea solution as precursors through the sol–gel route and alkylation hydrophobic coagulation bath. Especially, the effects of different drying modes and content of MCC on the physical chemistry properties are investigated. The results show that samples using nano-self-assembly method combined supercritical CO2 drying possess loose and uniform porous three-dimensional network structure. The specific surface areas before and after modification are 180.28 m2/g and 154.37 m2/g with average pore sizes at 22.58 nm and 25.71 nm. The hydrophobic angle is up to 154.3°, the maximum adsorption efficiency can reach 12 g/g, which is also of reusability after 5 adsorption tests. This hydrophobic MCC aerogel has excellent adsorption performance, and simple, rapid, effective oil contamination treatment which is of use in oil adsorption.

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Literature
Metadata
Title
Preparation and oil adsorption properties of hydrophobic microcrystalline cellulose aerogel
Authors
Yifan Zhao
Kai Zhong
Wei Liu
Sheng Cui
Ya Zhong
Shengjun Jiang
Publication date
01-07-2020
Publisher
Springer Netherlands
Published in
Cellulose / Issue 13/2020
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-020-03309-0

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