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Progress and Perspectives on Ceramic Membranes for Solvent Recovery.
Senthilnathan Ruthusree1, Subramanian Sundarrajan2, Seeram Ramakrishna3
1Center for Nanofibers and Nanotechnology Lab, Mechanical Engineering, National University of Singapore, Blk E3 05-12, 2 Engineering Drive 3, Singapore 117581, Singapore. ruthusree6@gmail.com.
Resource conservation is crucial. This review explores advanced membranes like Mixed Matrix Membranes (MMM), Metal-Organic Frameworks (MOFs), and Zeolite Imidazolate Frameworks (ZIFs) for efficient solvent recovery from industrial liquid waste.
Area of Science:
- Materials Science
- Chemical Engineering
- Environmental Science
Background:
- Increasing global commodity demand necessitates resource conservation, particularly for liquid waste management in pharmaceutical and petroleum industries.
- Solvent recovery from industrial liquid waste is essential for sustainability and economic viability.
- Traditional solvent recovery methods face limitations, driving the need for advanced separation technologies.
Purpose of the Study:
- To review the application of advanced membrane technologies for solvent recovery.
- To explore the potential of Mixed Matrix Membranes (MMM), including those incorporating nanoparticles, zeolites, silica, and Metal-Organic Frameworks (MOFs) and Zeolite Imidazolate Frameworks (ZIFs).
- To discuss the challenges associated with fabricating and utilizing these novel membrane materials for efficient solvent separation.
Main Methods:
- Review of existing literature on polymer, nanocomposite, and ceramic membranes.
- Focus on pervaporation and organic solvent nanofiltration processes for solvent recovery.
- Analysis of fabrication techniques (in situ synthesis, secondary growth) for membrane materials like MOFs, zeolites, and ZIFs.
Main Results:
- Mixed Matrix Membranes (MMM) incorporating nanoparticles, zeolites, silica, MOFs, and ZIFs show promise for solvent recovery.
- These advanced membranes exhibit high selectivity, flux, and stability under various environmental conditions.
- Pervaporation and organic solvent nanofiltration are identified as key processes for utilizing these membranes.
Conclusions:
- Advanced membrane materials, including MOFs and ZIFs, offer effective solutions for solvent recovery from industrial waste.
- Further research is needed to address fabrication challenges and optimize performance for large-scale applications.
- The development of these membranes contributes to sustainable resource management and waste reduction in key industries.
