Influence of pore structure of granular activated carbon prepared from anthraciteon the adsorption of CO2, CH4 and N2

Bo Zhang; Zhuoran Huang; Ping Liu; Jin Liu; Min Gu

Korean Journal of Chemical Engineering, Vol.39, No.3, 724-735, March, 2022

DOI10.1007/s11814-021-0948-4 Export Citation

Influence of pore structure of granular activated carbon prepared from anthraciteon the adsorption of CO2, CH4 and N2

Bo Zhang^†, Zhuoran Huang, Ping Liu, Jin Liu, and Min Gu^{1, †}

College of Safety Engineering, Chongqing University of Science and Technology, Chongqing, 401331, P. R. China
¹State Key Laboratory of Coal Mine Disaster Dynamics and Control, School of Resources and Safety Engineering, Chongqing University, Chongqing, 400044, P. R. China

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A series of granular activated carbon (GAC) samples with similar surface chemical properties but different pore structures were prepared from anthracite. The maximum adsorption capacities of the prepared CO2, CH4, and N2 at 298 K and 2.0MPa were 4.27mmol/g, 2.54mmol/g, and 1.46mmol/g, respectively, and the adsorption selectivity parameters, i.e., αCH4,N2 and αCO2,CH4, were 3.23 and 3.06, respectively. By using the GAC with the optimum pore size as adsorbent, the concentration of methane in the nitrogen-methane (CH4/N2) mixture was concentrated from 30% to 63.5% via a single-column single-cycle pressure swing adsorption (PSA) process. The pore size distribution of the GAC samples was dominated by micropores, with specific surface area in the range of 330-500m2/g and micropore volume in the range of 0.12-0.19 cm3/g. Although the specific surface area and pore volume of micropores played an important role in the separation performance, the pore size distribution was found to be the decisive factor. In particular, the micropores with sizes in the range of 5.0-10.0 Å were the main factor affecting the concentrating effect of CH4 or CO2 by GAC.

Keywords:Granular Activated Carbon;Pore Structure;CH4 Enrichment;Adsorption Selectivity;Pressure Swing Adsorption

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[2] Doong SJ, Yang RT, AICHE J., 397, 32 (1986)

[3] Gomes VG, Yee KWK, Sep. Purif. Technol., 161, 28 (2002)

[4] Lozano-Castell? D, Lillo-R?denas MA, Cazorla-Amor?s D, Linares-Solano A, Carbon, 741, 39 (2001)

[5] Yacob AR, Swaidan HMA, Appl. Mech. Mater., 2124, 110 (2012)

[6] Buczek B, Chem. Process Eng-Inz., 385, 21 (2000)

[7] Brea P, Delgado JA, ?gueda VI, Uguina MA, Sep. Purif. Technol., 61, 179 (2017)

[8] Sethia G, Sayari A, Carbon, 68, 93 (2015)

[9] Rehman A, Heo Y, Nazir G, Park S, Carbon, 71, 172 (2021)

[10] Lee M, Park M, Kim H, Park S, Sci. Rep., 1, 6 (2016)

[11] Wang L, Rao L, Xia B, Wang L, Yue L, Liang Y, Carbon, 31, 130 (2018)

[12] Park J, Attia NF, Jung M, Energy, 9, 158 (2018)

[13] Boyjoo Y, Cheng Y, Zhong H, Hao Y, Pan J, Pareek VK, Carbon, 490, 116 (2017)

[14] Ullah R, Saad MAHS, Aparicio S, Aparicio S, Atilhan M, Micropor. Mesopor. Mater., 49, 262 (2018)

[15] Vaezi MJ, Babaluo AA, Maghsoudi H, Chem. Eng. Res. Des., 347, 134 (2018)

[16] Trinh TT, van Erp TS, Bedeaux D, Kjelstrup S, Grande CA, Chem. Chem. Phys., 8223, 17 (2015)

[17] Arami-Niya A, Rufford TE, Zhu Z, Carbon, 115, 103 (2016)

[18] Rosas JM, Ruiz-Rosas R, Rodr?guez-Mirasol J, Cordero T, Chem. Eng. J., 707, 307 (2017)

[19] Gu M, Zhang B, Qi Z, Liu Z, Duan S, Du X, Sep. Purif. Technol., 213, 146 (2015)

[20] Cavenati S, Grande CA, Rodrigues AE, Sep. Sci. Technol., 2721, 40 (2005)

[21] Notaro F, Mulhaupt JT, Leavitt FW, Ackley MW, US Patent, 5,810,909 (1998).

[22] Rege SU, Yang RT, Sep. Sci. Technol., 3355, 36 (2001)

[23] Rege SU, Yang RT, Chem. Eng. Sci., 3781, 56 (2001)

[24] Habgood HW, Can. J. Chem., 1384, 36 (1958)

[25] Ruthven DM, Farooq S, Knaebel KS, Pressure Swing Adsorption, Wiley-VCH (1994).

[26] Gu M, University of Chong Qing China, PhD thesis (2000).

[27] Baksh MSA, Yang RT, Chung DDL, Carbon, 931, 27 (1989)

[28] Zhou L, Guo WC, Zhou TP, Chin. J. Chem. Eng., 558, 10 (2002)

[29] Ruan H, University of Tian Jin China, PhD thesis (2010).

[30] Foeth F, Andersson M, Bosch H, Aly G, Reith T, Sep. Sci. Technol., 93, 29 (1994)

[31] Jasra RV, Choudry NV, Bhat SGT, Sci. Technol., 885, 26 (1991)

[32] Ruthven DM, Principles of adsorption and adsorption processes, John Wiley & Sons Publications, New York (1984).

[33] Cui XJ, Bustin RM, Dipple G, Fuel, 293, 83 (2004)

[34] Kluson P, Scaife S, Quirke N, Sep. Sci. Technol., 15, 20 (2000)

[35] Zhao GF, Bai P, Zhu HM, Yan RX, Liu XM, Yan ZF, Asia-Pac. J. Chem. Eng., 284, 3 (2008)