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Vol.2 , No. 6, Publication Date: Jan. 12, 2016, Page: 57-65
 activation are shown. This paper reviews the results of studying processes of solid-phase activation of rayon fiber materials using as activating additives <i>ZnCl<sub>2</sub>, NH<sub>4</sub>Cl, Na<sub>2</sub>HPO<sub>4</sub>.</i> It is shown that in this case the yield was 30-38%, 8-10% without impregnation and 20% if impregnated with organosilicon compound. Carbon fiber adsorbents were obtained with pore volume of 0.42-0.62 cm<sup>3</sup>/g. The mechanism of pore formation in the fibers by chemical activation was proposed. We showed the possibility and efficiency of producing carbon fiber adsorbent by solid-phase (chemical) activation of fiber-precursors of different nature.&picture=http://www.aascit.org/aascit/decorators/img/journal/916.jpg)
| [1] | Fridman L. I., Department of Information Technology and Higher Mathematics, Faculty of Management, Autonomous Educational Institution of Higher and Professional Education of Leningrad Region State Institute of Economics, Finance, Law and Technology, Gatchina, Russia. |
| [2] | Astashkina O. V., Department of Nanostructure Fiber and Composite Materials Named After A. I. Meos, Chemical Faculty, Saint-Petersburg State University of Industrial Technology and Design, Saint-Petersburg, Russia. |
| [3] | Rusova N. V., Department of Nanostructure Fiber and Composite Materials Named After A. I. Meos, Chemical Faculty, Saint-Petersburg State University of Industrial Technology and Design, Saint-Petersburg, Russia. |
| [4] | Lysenko A. A., Department of Nanostructure Fiber and Composite Materials Named After A. I. Meos, Chemical Faculty, Saint-Petersburg State University of Industrial Technology and Design, Saint-Petersburg, Russia. |
We reviewed the development and production of carbon fibers and carbon fiber adsorbents. Flowcharts of getting CFA by methods of gas phase and solid-phase (chemical) activation are shown. This paper reviews the results of studying processes of solid-phase activation of rayon fiber materials using as activating additives ZnCl2, NH4Cl, Na2HPO4. It is shown that in this case the yield was 30-38%, 8-10% without impregnation and 20% if impregnated with organosilicon compound. Carbon fiber adsorbents were obtained with pore volume of 0.42-0.62 cm3/g. The mechanism of pore formation in the fibers by chemical activation was proposed. We showed the possibility and efficiency of producing carbon fiber adsorbent by solid-phase (chemical) activation of fiber-precursors of different nature.
Keywords
Carbon Fibers, Adsorbents, Activating Additives, Solid-phase (Chemical) Activation, Sorption Properties
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