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Novel Pervaporation Membranes Based on Biopolymer Sodium Alginate Modified by FeBTC for Isopropanol Dehydration

Author

Listed:
  • Anna Kuzminova

    (St. Petersburg State University, 199034 St. Petersburg, Russia)

  • Mariia Dmitrenko

    (St. Petersburg State University, 199034 St. Petersburg, Russia)

  • Anton Mazur

    (St. Petersburg State University, 199034 St. Petersburg, Russia)

  • Sergey Ermakov

    (St. Petersburg State University, 199034 St. Petersburg, Russia)

  • Anastasia Penkova

    (St. Petersburg State University, 199034 St. Petersburg, Russia)

Abstract

Modern society strives for the development of sustainable processes that are aimed at meeting human needs while preserving the environment. Membrane technologies satisfy all the principles of sustainability due to their advantages, such as cost-effectiveness, environmental friendliness, absence of additional reagents and ease of use compared to traditional separation methods. In the present work, novel green membranes based on sodium alginate (SA) modified by a FeBTC metal–organic framework were developed for isopropanol dehydration using a membrane process, pervaporation. Two kinds of SA-FeBTC membranes were developed: (1) untreated membranes and (2) cross-linked membranes with citric acid or phosphoric acid. The structural and physicochemical properties of the developed SA-FeBTC membranes were studied by spectroscopic techniques (FTIR and NMR), microscopic methods (SEM and AFM), thermogravimetric analysis and swelling experiments. The transport properties of developed SA-FeBTC membranes were studied in the pervaporation of water–isopropanol mixtures. Based on membrane transport properties, 15 wt % FeBTC was demonstrated to be the optimal content of the modifier in the SA matrix for the membrane performance. A membrane based on SA modified by 15 wt % FeBTC and cross-linked with citric acid possessed optimal transport properties for the pervaporation of the water–isopropanol mixture (12–100 wt % water): 174–1584 g/(m 2 h) permeation flux and 99.99 wt % water content in the permeate.

Suggested Citation

  • Anna Kuzminova & Mariia Dmitrenko & Anton Mazur & Sergey Ermakov & Anastasia Penkova, 2021. "Novel Pervaporation Membranes Based on Biopolymer Sodium Alginate Modified by FeBTC for Isopropanol Dehydration," Sustainability, MDPI, vol. 13(11), pages 1-25, May.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:11:p:6092-:d:564254
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    References listed on IDEAS

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    1. Shuanglin Gui & Zhaohuan Mai & Jiaqi Fu & Yuansong Wei & Jinbao Wan, 2020. "Transport Models of Ammonium Nitrogen in Wastewater from Rare Earth Smelteries by Reverse Osmosis Membranes," Sustainability, MDPI, vol. 12(15), pages 1-16, August.
    2. Jongwon Jung & Jong Wan Hu, 2017. "Characterization of Polyethylene Oxide and Sodium Alginate for Oil Contaminated-Sand Remediation," Sustainability, MDPI, vol. 9(1), pages 1-14, January.
    3. Briant Kang Xian Ho & Baharin Azahari & Mohd Firdaus Bin Yhaya & Amir Talebi & Charles Wai Chun Ng & Husnul Azan Tajarudin & Norli Ismail, 2020. "Green Technology Approach for Reinforcement of Calcium Chloride Cured Sodium Alginate Films by Isolated Bacteria from Palm Oil Mill Effluent (POME)," Sustainability, MDPI, vol. 12(22), pages 1-13, November.
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    Cited by:

    1. Mariia Dmitrenko & Ramadan Atta & Andrey Zolotarev & Anna Kuzminova & Sergey Ermakov & Anastasia Penkova, 2022. "Development of Novel Membranes Based on Polyvinyl Alcohol Modified by Pluronic F127 for Pervaporation Dehydration of Isopropanol," Sustainability, MDPI, vol. 14(6), pages 1-23, March.

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