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المؤلفZulfiqar, Sonia
المؤلفKaradas, Ferdi
المؤلفPark, Joonho
المؤلفDeniz, Erhan
المؤلفStucky, Galen D.
المؤلفJung, Yousung
المؤلفAtilhan, Mert
المؤلفYavuz, Cafer T.
تاريخ الإتاحة2023-02-22T10:05:14Z
تاريخ النشر2011
اسم المنشورEnergy and Environmental Science
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1039/c1ee02264d
معرّف المصادر الموحدhttp://hdl.handle.net/10576/40289
الملخصMonoethanolamine (MEA) dominates power plant carbon dioxide (CO 2) scrubbing processes, though with major disadvantages such as a 8-35% energy penalty. Here we report that structurally comparable amidoximes are promising CO 2 capture agents based on RIMP2 electronic structure calculations. This was experimentally verified by the synthesis and testing of representative amidoximes for capture efficiencies at pressures as high as 180 bar. Acetamidoxime, which has the highest percent amidoxime functionality showed the highest CO 2 capacity (2.71 mmol g -1) when compared to terephthalamidoxime (two amidoximes per molecule) and tetraquinoamidoxime (four amidoximes per molecule). Polyamidoxime surpassed activated charcoal Norit RB3 for CO 2 capture per unit surface area. Adsorption isotherms exhibit Type IV behavior and acetamidoxime found to increase CO 2 capture with temperature, a less observed anomaly. Porous amidoximes are proposed as valuable alternatives to MEA.
اللغةen
الناشرRoyal Society of Chemistry
الموضوعAmidoxime
Capture efficiency
Electronic structure calculations
I-V behavio
العنوانAmidoximes: Promising candidates for CO 2 capture
النوعArticle
الصفحات4528-4531
رقم العدد11
رقم المجلد4
dc.accessType Abstract Only


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