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| Home > Publications database > High-performance carbon molecular sieve membranes for hydrogen purification and pervaporation dehydration of organic solventsiek > print |
| 001 | 861381 | ||
| 005 | 20240711085638.0 | ||
| 024 | 7 | _ | |a 10.1039/C8TA09504C |2 doi |
| 024 | 7 | _ | |a 2050-7488 |2 ISSN |
| 024 | 7 | _ | |a 2050-7496 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2019-01859 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Ngamou, P. H. Tchoua |0 P:(DE-Juel1)162508 |b 0 |e Corresponding author |
| 245 | _ | _ | |a High-performance carbon molecular sieve membranes for hydrogen purification and pervaporation dehydration of organic solventsiek |
| 260 | _ | _ | |a London |c 2019 |b RSC72819 |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a Ultrathin (∼200 nm) and defect-free carbon molecular sieve (CMS) membranes were successfully fabricated on the inner surface of hierarchically structured porous supports (γ-Al2O3 layer coated α-Al2O3 tubes) via pyrolysis of a polyimide precursor at 700 °C. The chemical structure of the carbonized samples was examined in detail by means of Raman spectroscopy and X-ray photoelectron spectroscopy. From these studies, it was found that the carbonized samples consist of graphitic carbon layers containing sp3-type defects. The synthesized CMS membranes showed an unprecedentedly high H2 permeance of up to 1.1 × 10−6 mol m−2 s−1 Pa−1 and ideal separation factors of 24, 130 and 228 for H2/CO2, H2/N2 and H2/CH4, respectively at 200 °C. Furthermore, outstanding separation factors of 791 and 1946 with a water flux of about 0.5 kg m−2 h−1 were obtained at 70 °C for the pervaporation of 10 wt% water-containing binary mixtures of methanol and ethanol, respectively. These results unambiguously show that the carbon membranes developed in this work possess the potential for high-temperature hydrogen purification and dewatering of organic solvents. |
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| 700 | 1 | _ | |a Ivanova, M. E. |0 P:(DE-Juel1)129617 |b 1 |
| 700 | 1 | _ | |a Guillon, O. |0 P:(DE-Juel1)161591 |b 2 |
| 700 | 1 | _ | |a Meulenberg, Wilhelm Albert |0 P:(DE-Juel1)129637 |b 3 |u fzj |
| 773 | _ | _ | |a 10.1039/C8TA09504C |g p. 10.1039.C8TA09504C |0 PERI:(DE-600)2702232-8 |n 12 |p 7082-7091 |t Journal of materials chemistry / A Materials for energy and sustainability A |v 7 |y 2019 |x 2050-7496 |
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