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Sustainable Novel Membranes Based on Carboxymethyl Cellulose Modified with ZIF-8 for Isopropanol/Water Pervaporation Separation

Author

Listed:
  • Anna Kuzminova

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Mariia Dmitrenko

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Roman Dubovenko

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Anna Mikulan

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Anastasia Stepanova

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Margarita Puzikova

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Nadezhda Rakovskaya

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Anton Mazur

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Anna Shurukhina

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Aida Rudakova

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Alexei Emeline

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

  • Rongxin Su

    (State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China)

  • Anastasia Penkova

    (St. Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia)

Abstract

The present study investigates the potential of novel mixed matrix membranes that are formed from the biopolymer carboxymethyl cellulose (CMC) and the metal–organic framework ZIF-8 to improve the pervaporation dehydration of isopropanol. The effect of ZIF-8 content variation and porous substrate selection (comprising cellulose acetate (CA) and polyacrylonitrile) on dense and supported membrane properties is systematically investigated using multiple analytical techniques. It is found that ZIF-8 incorporation alters the membrane structure (confirmed by FTIR and NMR), increases surface roughness (observed via SEM and AFM), enhances swelling degree (obtained by swelling measurements), improves surface hydrophobicity (determined by contact angle analysis), and elevates thermal stability (verified by TGA). Quantum chemical calculations are used to validate the interactions between the polymer matrix, modifier, and feed components. The transport properties of developed membranes are evaluated through the dehydration of isopropanol via pervaporation. The cross-linked supported CMC membrane with 10 wt% ZIF-8 prepared on the CA substrate has the optimal performance: permeation flux of 0.136–1.968 kg/(m 2 h) and ˃92 wt% water in the permeate via the dehydration of isopropanol (water content 12–100 wt%) at 22 °C.

Suggested Citation

  • Anna Kuzminova & Mariia Dmitrenko & Roman Dubovenko & Anna Mikulan & Anastasia Stepanova & Margarita Puzikova & Nadezhda Rakovskaya & Anton Mazur & Anna Shurukhina & Aida Rudakova & Alexei Emeline & R, 2025. "Sustainable Novel Membranes Based on Carboxymethyl Cellulose Modified with ZIF-8 for Isopropanol/Water Pervaporation Separation," Sustainability, MDPI, vol. 17(9), pages 1-29, April.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:9:p:3801-:d:1640649
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    References listed on IDEAS

    as
    1. 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.
    2. 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.
    3. Abreham Tesfaye Besha & Misgina Tilahun Tsehaye & Girum Ayalneh Tiruye & Abaynesh Yihdego Gebreyohannes & Aymere Awoke & Ramato Ashu Tufa, 2020. "Deployable Membrane-Based Energy Technologies: the Ethiopian Prospect," Sustainability, MDPI, vol. 12(21), pages 1-33, October.
    Full references (including those not matched with items on IDEAS)

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