Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 151, Issue -, Pages 159-167Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2020.02.124
Keywords
Lignocellulose nanofibrils; Cellulose acetate; Permeability; Mechanical property; Antibacterial property
Funding
- Chinese Ministry of Science and Technology [2017YFD0600804]
- Guangxi Key Laboratory of Chemistry Engineering of Forest Products [GXFC17-18-07]
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Cellulose acetate (CA) ultrafiltration membranes are attracting more attention in wastewater purification due to its biodegradability and eco-friendly. The application of CA membranes, however, is limited by high susceptibility to bacterial corrosion and lack of mechanical tolerance that results in loss of life. To solve the above problems, we first fabricated the CA-based composite membranes incorporated with bamboo-based lignocellulose nanofibrils (LCNFs) by a strategy of phase inversion. LCNFs was prepared by using a combined method of one-step chemical pretreatment and add hydrolysis coupled with high-pressure homogenization. The as-prepared CA/LCNFs composite membranes with 4 wt% lignin in the LCNFs exhibited high tensile strength of 7.08 MPa and strain-at-break of 12.21%, and high filtration permeability of 188.23 L. m(-2).h(-1) as ultrafiltration membranes for wastewater treatment, which could obviously inhibit the growth of Escherichia Coli. (C) 2020 Elsevier B.V. All rights reserved.
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