Carbon-Based Membranes for Gas Separation
A special issue of ChemEngineering (ISSN 2305-7084).
Deadline for manuscript submissions: closed (30 April 2019) | Viewed by 555
Special Issue Editors
Interests: nano-structured materials; CNTs; advanced modified polymers; antimicrobial polymers; raman; surface enhanced raman scattering; specialty spectroscopic probes
Interests: membrane reactors; carbon membranes; carbon dioxide capture; hydrogen
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Separation of gas mixtures by employment of membranes is a process intensification strategy offering the prospects of higher productivity and energy efficiency. Carbon is an exciting material, which can be engineered in a variety of forms and structures with specific attributes in the nanoscale. Newer carbon structures, such as graphene and nanotubes, are being intensively studied in recent years alongside the more “traditional” microporous amorphous carbon forms. The selective character of carbon membranes in gas separations can be broadly related to: (i) molecular sieving and (ii) surface diffusion/interaction phenomena. A variety of synthesis methods have been examined in order to prepare tailored membranes for specific applications. Hybrid membranes combining carbon with polymers have been proposed aiming at exploiting synergies but also to take advantage of the fact that production of polymeric films can be easily scaled up in a cost-effective way. Modeling of diffusion through novel carbon structures is important for understanding the physical phenomena involved and for making informed decisions on the design of novel membranes. There exist great challenges for membranes in separation processes with high environmental and industrial impact. These include separation of mixtures involving CO2, handling of hydrogen production and distribution, separation of oxygen from air and various industrial or waste streams. Papers dealing with all aspects of carbon or hybrid-carbon membranes (preparation, characterization, modeling, application) are welcome to be part of this Special Issue.
Dr. George Voyiatzis
Dr. Theophilos Ioannides
Guest Editors
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Keywords
- Carbon
- graphene
- carbon nanotube
- membrane
- hybrid
- polymer
- carbon dioxide
- hydrogen
- molecular sieve
- gas separation
- process intensification
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