KOH 활성화법으로 제조한 폐감귤박 활성탄의 특성

감상규; 강경호; 이민규; Sang-Kyu Kam; Kyung-Ho Kang; Min-Gyu Lee

Applied Chemistry for Engineering, Vol.28, No.6, 649-654, December, 2017

DOI10.14478/ace.2017.1073 Export Citation

KOH 활성화법으로 제조한 폐감귤박 활성탄의 특성

Characteristics of Activated Carbon Prepared from Waste Citrus Peel by KOH Activation

감상규, 강경호¹, 이민규 ^{2, †}

제주대학교 환경공학과
¹제주특별자치도 축산과
²부경대학교 화학공학과

Sang-Kyu Kam, Kyung-Ho Kang¹, and Min-Gyu Lee^{2, †}

Department of Environmental Engineering, Jeju National University, 102 Jejudaehak-ro, Jeju-si, Jeju Special Self-Governing Province 63243, Korea
¹Livestock Division, Jeju Special Self-Governing Province, 6 Munyeon-ro, Jeju-si, Jeju Special Self-Governing Province 63122, Korea
²Department of Chemical Engineering, Pukyong National University, 365 Sinseon-ro, Nam-Gu, Busan 48547, Korea

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초록

제주도에서 다량 발생하고 있는 폐감귤박을 활성화제로 KOH를 사용하여 활성탄을 제조하였고, 제조된 활성탄의 특성을 검토하였다. KOH 침적비율(100~300%), 활성화 온도(400~900 ℃) 및 활성화 시간(0.5~1.5 h)의 조건에서 각 조건이 증가할수록 요오드 흡착능은 증가하였으나 활성탄의 수율은 감소하였다. 그리고 활성화 시간의 경우 1.5 h 이상에서는 요오드 흡착능 및 활성탄 수율에서 비슷하였다. 또한 KOH 침적비율이 증가할수록 비표면적 및 세공부피는 증가하였으나 세공크기는 감소하였으며, 제조된 평균 세공크기는 20~25 Å이었다. KOH의 침적비율 300%, 활성화 온도 900 ℃, 활성화 시간 1.5 h에서 제조된 활성탄은 비표면적 및 요오드 흡착능이 각각 1,527 m2/g 및 1,246 mg/g으로 가장 높았다.

An activated carbon was prepared from waste citrus peel produced in large amounts in Jeju Island, Korea, using KOH activation and its characteristics was examined. Under the condition of the KOH ratio between 100 and 300%, activation temperature from 400 to 900 ℃ and activation time from 0.5 to 1.5 h, the iodine adsorptivity of the activated carbon prepared increased but the yield decreased with respect to the increase of each conditions. The iodine adsorptivity and yield of the activated carbon prepared at the activation time of more than 1.5 h were similar to those of using 1.5 h. In addition, as the KOH ratio increased, the specific surface area and pore volume of the activated carbon increased, but the pore diameter decreased. The activated carbon has an average pore diameter of 20~25 Å. Also, the activated carbon prepared at 300% KOH and 900 ℃ for 1.5 h has the highest specific surface area of 1,527 m2/g and iodine adsorptivity of 1,246 mg/g.

Keywords:activated carbon;waste citrus peel;KOH;iodine adsorptivity

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[Referenced By]

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[1] Pollard SJT, Fowler GD, Sollars CJ, Perry R, Sci. Total Environ., 116, 31 (1992)

[2] Valix M, Cheung WH, McKay G, Chemosphere, 56, 493 (2004)

[3] Mohamed MM, J. Colloid Interface Sci., 272(1), 28 (2004)

[4] Hameed BH, Din ATM, Ahmad AL, J. Hazard. Mater., 141(3), 819 (2007)

[5] Kannan N, Sundaram MM, Dyes Pigment., 51, 25 (2001)

[6] Tan IAW, Ahmad AL, Hameed BH, J. Hazard. Mater., 154(1-3), 337 (2008)

[7] Basar CA, J. Hazard. Mater., B135, 232 (2006)

[8] Tseng RL, Tseng SK, Wu FC, Colloids Surf. A: Physicochem. Eng. Asp., 279, 69 (2006)

[9] Stavropoulos GG, Zabaniotou AA, Microporous Mesoporous Mater., 82, 79 (2005)

[10] Attia AA, Girgis BS, Fathy NA, Dyes Pigment., 76, 282 (2008)

[11] Aygun A, Yenisoy-Karakas S, Duman I, Microporous Mesoporous Mater., 66, 189 (2003)

[12] Chung KB, Ryu HI, Chang SH, Kim JC, Kim HH, J. Korean Ind. Eng. Chem., 12(3), 272 (2001)

[13] San Miguel G, Fowler GD, Sollars CJ, Carbon, 41, 1009 (2003)

[14] Kang KH, Kam SK, Lee MG, J. Environ. Sci. Int., 16, 1279 (2007)

[15] Kang KH, Kam SK, Lee MG, J. Environ. Sci. Int., 16, 1091 (2007)

[16] Ahmadpour A, Do DD, Carbon, 34, 471 (1996)

[17] ElShafei GMS, ElSherbiny IMA, Darwish AS, Philip CA, Chem. Eng. Res. Des., 92(3), 461 (2014)

[18] Macia-Agullo JA, Moore BC, Cazorla-Amoros D, Linares-Solano A, Carbon, 42, 1367 (2004)

[19] Kim HH, Lee JM, Chung MK, J. Korean Ind. Eng. Chem., 13(2), 156 (2002)

[20] Lee JM, A Study on the Preparation of Activated Carbon from Pepper-seed, Master Thesis, Sunmoon University, Korea (2002).

[21] Kim HH, Lee JM, Chung MK, J. Korean Ind. Eng. Chem., 14(4), 381 (2003)

[22] Macia-Agullo JA, Moore BC, Cazorla-Amoros D, Linares-Solano A, Microporous Mesoporous Mater., 101, 397 (2007)

[23] Fierro V, Torne-Fernandez V, Celzard A, Microporous Mesoporous Mater., 101, 419 (2007)

[24] Marsh H, Crawford D, O’Grady TM, Wennerberg A, Carbon, 20, 419 (1982)

[25] Kim SC, Hong IK, J. Korean Soc. Environ. Eng., 20, 745 (1998)

[26] Lee SW, Moon JC, Lee CH, Ryu DC, Choi DH, Ryu BS, Song SK, J. Korean Soc. Environ. Eng., 23, 1211 (2001)

[27] Otawa T, Yamada M, Tanibata R, Kawakami M, Vansant EF, Dewolfs R, Gas Separation Technology, Elsevier, Amsterdam, Netherlands (1990).