Volume 139, Issue 40 e52813
RESEARCH ARTICLE

Improvement of PVDF composite membrane performance by using nanocrystals cellulose from waste pineapple leaf and g-C3N4

Hongbin Li

Corresponding Author

Hongbin Li

College of Light Industry and Textile, Qiqihar University, Qiqihar, People's Republic of China

Engineering Research Center for Hemp and Product in Cold Region of Ministry of Education, Qiqihar University, Qiqihar, People's Republic of China

Correspondence

Hongbin Li, College of Light Industry and Textile, Qiqihar University, Qiqihar 161006, People's Republic of China.

Email: [email protected]

Chao Liu, Water Science and Environmental Engineering Research Center, College of Chemical and Environmental Engineering, Shenzhen University, Shenzhen 518060, People's Republic of China.

Email: [email protected]

Contribution: Conceptualization (lead), Formal analysis (lead), Funding acquisition (lead), Project administration (lead), Supervision (lead), Writing - original draft (lead), Writing - review & editing (lead)

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Jiliang Dai

Jiliang Dai

College of Light Industry and Textile, Qiqihar University, Qiqihar, People's Republic of China

Contribution: Data curation (supporting), Formal analysis (supporting)

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Yue Hu

Yue Hu

College of Light Industry and Textile, Qiqihar University, Qiqihar, People's Republic of China

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Heshan Zheng

Heshan Zheng

College of Light Industry and Textile, Qiqihar University, Qiqihar, People's Republic of China

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Xiumin Ge

Xiumin Ge

College of Light Industry and Textile, Qiqihar University, Qiqihar, People's Republic of China

Contribution: Data curation (supporting), Formal analysis (supporting)

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Yongqiang Guo

Yongqiang Guo

Jiangsu Hengrui Medicine Co., Ltd, Lianyungang, People's Republic of China

Contribution: Data curation (supporting)

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Shuzhen Gao

Shuzhen Gao

College of Light Industry and Textile, Qiqihar University, Qiqihar, People's Republic of China

Contribution: Formal analysis (supporting)

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Chao Liu

Corresponding Author

Chao Liu

Water Science and Environmental Engineering Research Center, College of Chemical and Environmental Engineering, Shenzhen University, Shenzhen, People's Republic of China

Correspondence

Hongbin Li, College of Light Industry and Textile, Qiqihar University, Qiqihar 161006, People's Republic of China.

Email: [email protected]

Chao Liu, Water Science and Environmental Engineering Research Center, College of Chemical and Environmental Engineering, Shenzhen University, Shenzhen 518060, People's Republic of China.

Email: [email protected]

Contribution: Data curation (equal), Formal analysis (equal), Writing - original draft (equal), Writing - review & editing (equal)

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First published: 13 July 2022

Funding information: China Postdoctoral Science Foundation, Grant/Award Number: 2020M682884; Heilongjiang Provincial Universities Basal Research Foundation-Youth Innovation Talent Project, Grant/Award Number: 145109210; Natural Science Foundation of Heilongjiang Province of China, Grant/Award Number: LH2021B032; Natural Science Foundation of China, Grant/Award Numbers: 52170039, 21906088

Abstract

Herein, the poly(vinylidene fluoride) (PVDF) composite membranes blended with pineapple leaf nanocrystalline cellulose (PLNC) and g-C3N4 for ultrafiltration were designed and fabricated via surface segregation during non-solvent induced phase separation. The incorporation of PLNC and g-C3N4 endows the PVDF composite membrane with a higher porosity, enhancing the pure water flux of PVDF/g-C3N4/PLNC membrane by 256.75% compared to the PVDF membrane, while maintaining a higher water flux recoveries of 82.1%. Moreover, surface chemical compositions, surface and cross-section morphologies, degree of crystallinity were also characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, and X-ray diffraction, respectively. The mechanical properties of the PVDF composite membranes were also investigated. All the above experimental data showed that the addition of PLNC and g-C3N4 can greatly improve the performance of the PVDF membrane. The prepared modified membrane has potential application value in the field of wastewater separation and treatment.

CONFLICT OF INTEREST

The authors declare no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

DATA AVAILABILITY STATEMENT

All data used to support the findings of this study are included within the article.

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