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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Sun, Chengzhen Bai, Bofeng |
| Copyright Year | 2016 |
| Abstract | We study the separation process of gaseous H2O/CH4 mixtures using nanoporous graphene membranes via molecular dynamics simulations. We run the simulation in an equilibrium system 10 times with different initial atomic velocities to overcome the inefficiency brought by the low pressure of the system. The results show that the H2O molecules can permeate the graphene membrane with a linearly time-dependent crossing number. The permeance of the H2O molecules reaches to 9.5×10−4 mol/m2sPa, far exceeding that of the polymer gas separation membranes. High selectivity of H2O over CH4 is also observed. In summary, this study demonstrates that the specific NPG cloud be adopted as an efficient membrane in natural gas dehydration. |
| Sponsorship | Heat Transfer Division |
| File Format | |
| ISBN | 9780791849651 |
| DOI | 10.1115/MNHMT2016-6441 |
| Volume Number | Volume 1: Micro/Nanofluidics and Lab-on-a-Chip; Nanofluids; Micro/Nanoscale Interfacial Transport Phenomena; Micro/Nanoscale Boiling and Condensation Heat Transfer; Micro/Nanoscale Thermal Radiation; Micro/Nanoscale Energy Devices and Systems |
| Conference Proceedings | ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer |
| Language | English |
| Publisher Date | 2016-01-04 |
| Publisher Place | Biopolis, Singapore |
| Access Restriction | Subscribed |
| Subject Keyword | Methane Water Membranes Simulation Graphene Equilibrium (physics) Molecular dynamics simulation Separation (technology) Water vapor Polymers Pressure Natural gas |
| Content Type | Text |
| Resource Type | Article |
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