Browse > Article
http://dx.doi.org/10.5714/CL.2014.15.1.045

Study on effect of chemical impregnation on the surface and porous characteristics of activated carbon fabric prepared from viscose rayon  

Bhati, Surendra (Department of Chemistry, Government Narmada P.G. College)
Mahur, J.S. (Department of Chemistry, Government Narmada P.G. College)
Dixit, Savita (Department of Chemistry, Maulana Azad National Institute of Technology)
Chobey, O.N. (Department of Chemistry, Government Narmada P.G. College)
Publication Information
Carbon letters / v.15, no.1, 2014 , pp. 45-49 More about this Journal
Abstract
In this study, synthetic viscose rayon fabric has been used for preparing activated carbon fabric (ACF), impregnated with different concentrations of $H_3PO_4$. The effect of $H_3PO_4$ impregnation on the weight yield, surface area, pore volume, chemical composition and morphology of ACF were studied. Experimental results revealed that both Brunauer-Emmett-Teller surface area and micropore volume increased with increasing $H_3PO_4$ concentration; however, the weight yield and microporosity (%) decreased. It was observed that samples impregnated at $70^{\circ}C$ (AC-70) give higher yield and higher microporosity as compared to $30^{\circ}C$ (AC-30). The average pore size of the ACF also gradually increases from 18.2 to 19 and 16.7 to $20.4{\AA}$ for $30^{\circ}C$ and $70^{\circ}C$, respectively. The pore size distribution of ACF was also studied. It is also concluded that the final ACF strength is dependent on the concentration of impregnant.
Keywords
activated carbon fabric; Brunauer-Emmett-Teller surface area; microporosity; impregnation;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Ramos ME, Bonelli PR, Cukierman AL. Physico-chemical and electrical properties of activated carbon cloths: Effect of inherent nature of the fabric precursor. Colloids Surf Physicochem Eng Aspects, 324, 86 (2008). http://dx.doi.org/10.1016/j.colsurfa.2008.03.034.   DOI   ScienceOn
2 Dabrowski A, Podkoscielny P, Hubicki Z, Barczak M. Adsorption of phenolic compounds by activated carbon--a critical review. Chemosphere, 58, 1049 (2005). http://dx.doi.org/10.1016/j.chemosphere.2004.09.067.   DOI   ScienceOn
3 Chang CF, Chang CY, Tsai WT. Effects of burn-off and activation temperature on preparation of activated carbon from corn cob agrowaste by $CO_2$ and steam. J Colloid Interface Sci, 232, 45 (2000). http://dx.doi.org/10.1006/jcis.2000.7171.   DOI   ScienceOn
4 Mangun CL, Daley MA, Braatz RD, Economy J. Effect of pore size on adsorption of hydrocarbons in phenolic-based activated carbon fibers. Carbon, 36, 123 (1998). http://dx.doi.org/10.1016/S0008-6223(97)00169-3.   DOI   ScienceOn
5 Zeng F, Pan D. The structural transitions of rayon under the promotion of a phosphate in the preparation of ACF. Cellulose, 15, 91 (2008). http://dx.doi.org/10.1007/s10570-007-9148-6.   DOI
6 Girgis BS, El-Hendawy A-NA. Porosity development in activated carbons obtained from date pits under chemical activation with phosphoric acid. Microporous Mesoporous Mater, 52, 105 (2002). http://dx.doi.org/10.1016/S1387-1811(01)00481-4.   DOI   ScienceOn
7 Orkun Y, Karatepe N, Yavuz R. Influence of temperature and impregnation ratio of $H_3PO_4$ on the production of activated carbon from hazelnut shell. Acta Phys Pol A, 121, 277 (2012).   DOI
8 Chiang YC, Lee CY, Lee HC. Surface chemistry of polyacrylonitrile-and rayon-based activated carbon fibers after post-heat treatment. Mater Chem Phys, 101, 199 (2007). http://dx.doi.org/10.1016/j.matchemphys.2006.03.007.   DOI   ScienceOn
9 Ramos ME, Bonelli PR, Blacher S, Ribeiro Carrott MML, Carrott PJM, Cukierman AL. Effect of the activating agent on physicochemical and electrical properties of activated carbon cloths developed from a novel cellulosic precursor. Colloids Surf Physicochem Eng Aspects, 378, 87 (2011). http://dx.doi.org/10.1016/j.colsurfa.2011.02.005.   DOI   ScienceOn
10 Jagiello J, Thommes M. Comparison of DFT characterization methods based on $N_2$, Ar, $CO_2$, and $H_2$ adsorption applied to carbons with various pore size distributions. Carbon, 42, 1227 (2004). http://dx.doi.org/10.1016/j.carbon.2004.01.022.   DOI   ScienceOn
11 Daley MA, Tandon D, Economy J, Hippo EJ. Elucidating the porous structure of activated carbon fibers using direct and indirect methods. Carbon, 34, 1191 (1996). http://dx.doi.org/10.1016/0008-6223(96)00065-6.   DOI   ScienceOn
12 Wang T, Tan S, Liang C. Preparation and characterization of activated carbon from wood via microwave-induced $ZnCl_2$ activation. Carbon, 47, 1880 (2009). http://dx.doi.org/10.1016/j.carbon.2009.03.035.   DOI   ScienceOn
13 Su W, Zhou L, Zhou Y. Preparation of microporous activated carbon from raw coconut shell by two-step procedure. Chin J Chem Eng, 14, 266 (2006). http://dx.doi.org/10.1016/S1004-9541(06)60069-4.   DOI   ScienceOn
14 Ryu Z, Zheng J, Wang M. Porous structure of pan-based activated carbon fibers. Carbon, 36, 427 (1998). http://dx.doi.org/10.1016/S0008-6223(97)00225-X.   DOI   ScienceOn
15 Gurudatt K, Tripathi VS. Studies on changes in morphology during carbonization and activation of pretreated viscose rayon fabrics. Carbon, 36, 1371 (1998). http://dx.doi.org/10.1016/S0008-6223(98)00124-9.   DOI   ScienceOn
16 Das D, Gaur V, Verma N. Removal of volatile organic compound by activated carbon fiber. Carbon, 42, 2949 (2004). http://dx.doi.org/10.1016/j.carbon.2004.07.008.   DOI   ScienceOn
17 Park SJ, Jang YS. Pore structure and surface properties of chemically modified activated carbons for adsorption mechanism and rate of Cr(VI). J Colloid Interface Sci, 249, 458 (2002). http://dx.doi.org/10.1006/jcis.2002.8269.   DOI   ScienceOn
18 Rangel-Mendez JR, Streat M. Adsorption of cadmium by activated carbon cloth: influence of surface oxidation and solution pH. Water Res, 36, 1244 (2002). http://dx.doi.org/10.1016/S0043-1354(01)00343-8.   DOI   ScienceOn
19 Chen Y, Jiang N, Sun L, Negulescu I. Activated carbon non woven as chemical protective materials. Res J Text Appar, 10, 1 (2006).