Preparation of Activated Carbon from Medical Waste

Abstract:

The chemically activated method has been applied to prepare activated carbon from the incinerated medical waste. The preparation process of activated carbon was investigated under various conditions set by several factors, including the type of active agent used, the ratio of active agent and carbonized product, the activation temperature, the dwell time and heating rate. The results demonstrated KOH had shown the best performance as the active agent. The optimal preparation conditions could be described as follows: ratio of KOH and carbonized product 3:1, heating rate 5 °C/min, activation temperature 800 °C with activation time 1 hour. The activated carbon prepared under the optimal preparation conditions showed good adsorption performance. The adsorption capacities for methylene blue and iodine were 24~28 ml/0.1g and 965~1150 mg/g, respectively. BET surface area of activated carbon obtained was as high as 985.1634~1387.4586 m²/g. The activated carbon prepared from medical waste exhibited excellent characteristics of sorbent.

• Periodical: Advanced Materials Research (Volumes 399-401)
• Pages: 2091-2096
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.399-401.2091
• Online since: November 2011
• Authors: Xiu Yun Sun, Hong Xia Bian, Meng Zhang, Wei Qing Han, Jin You Shen, Jian Sheng Li, Lian Jun Wang
• Keywords: Activated Carbon (AC), Activation, Incinerated Medical Wastes, KOH

References

[1] R. Xie, W.-J. Li, J. Li, B.-L. Wu, and J.-Q. Yi: J. Hazard. Mater Vol. 166 (2009), p.365.

[2] M.C.M. Alvim-Ferra, and S.A.V. Afonso: Atmos. Environ Vol. 37 (2003), p.5415.

[3] Y.-C. Jang, C. Lee, O.-S. Yoon, and H. Kim: J. Environ. Manage Vol. 80 (2006), p.107.

[4] L.F. Diaz, G.M. Savage and L.L. Eggerth: Waste Manag Vol. 25 (2005), p.626.

[5] A.F. Shaaban: J. Hazard. Mater Vol. 145 (2007), p.195.

[6] M.C.M. Alvim-Ferraz, and S.A.V. Afonso: Waste Manag Vol. 25 (2005), p.638.

[7] E.L.K. Mui, D.C.K. Ko, and G. McKay: Carbon Vol. 42 (2004), p.2789.

[8] J.H. Tay, X.G. Chen, S. Jeyaseelan, and N. Graham: Chemosphere Vol. 44 (2001), p.45.

[9] J.M. Dias, M.C.M. Alvim-Ferraz, M.F. Almeida, J. Rivera-Utrilla, and M. Sánchez-Polo: J. Environ. Manage Vol. 85 (2007), p.833.

[10] S.-H. Yoon, S. Lim, Y. Song, Y. Ota, W. Qiao, A. Tanaka, and I. Mochida: Carbon Vol. 42 (2004), p.1723.

[11] T. Watanabe, Y. Ohtsuka, and Y. Nishiyama: Carbon Vol. 32 (1994), p.329.

[12] A. Ahmadpour, and D.D. Do: Carbon Vol. 34 (1996), p.471.

[13] M. Wu, Q. Zha, J. Qiu, Y. Guo, H. Shang, and A. Yuan: Carbon Vol. 42 (2004), p.205.

[14] A. Perrin, A. Celzard, A. Albiniak, J. Kaczmarczyk, J.F. Marêché, and G. Furdin: Carbon Vol. 42 (2004), p.2855.

DOI: 10.1016/j.carbon.2004.06.030

[15] D. Lozano-Castelló, M.A. Lillo-Ródenas, D. Cazorla-Amorós, and A. Linares-Solano: Carbon Vol. 39 (2001), p.741.

DOI: 10.1016/s0008-6223(00)00185-8

[16] A. Ahmadpour, and D.D. Do: Carbon Vol. 35 (1997), p.1723.

[17] X. Zhao, S. Lai, H. Liu, and L. Gao: J. Environ. Sci. Vol. 21 (2009), p. S121.

[18] R.M. Suzuki, A.D. Andrade, J.C. Sousa, and M.C. Rollemberg: Bioresour. Technol Vol. 98 (2007), p.1985.