Removal of elemental mercury by modified bamboo carbon

doi:10.1016/j.cjche.2015.09.001

Chinese Journal of Chemical Engineering ›› 2015, Vol. 23 ›› Issue (11): 1875-1880.DOI: 10.1016/j.cjche.2015.09.001

• 能源、资源与环境技术 • 上一篇下一篇

Removal of elemental mercury by modified bamboo carbon

Zengqiang Tan¹, Guoping Niu¹, Xiaowen Chen²

1 Xi'an Thermal Power Research Institute Co. Ltd., Xi'an 710032, China;
2 Qinghai Huanghe Hydropower Development Co., Ltd (Xining Branch), Xining 810007, China

收稿日期:2014-12-07 修回日期:2015-04-07 出版日期:2015-11-28 发布日期:2015-12-18
通讯作者: Zengqiang Tan
基金资助:
Supported by the Huaneng Group Headquarters (HNKJ14-H10) and China Postdoctoral Science Foundation (2013M542373).

Removal of elemental mercury by modified bamboo carbon

Zengqiang Tan¹, Guoping Niu¹, Xiaowen Chen²

1 Xi'an Thermal Power Research Institute Co. Ltd., Xi'an 710032, China;
2 Qinghai Huanghe Hydropower Development Co., Ltd (Xining Branch), Xining 810007, China

Received:2014-12-07 Revised:2015-04-07 Online:2015-11-28 Published:2015-12-18
Contact: Zengqiang Tan
Supported by:
Supported by the Huaneng Group Headquarters (HNKJ14-H10) and China Postdoctoral Science Foundation (2013M542373).

摘要/Abstract

摘要： Themercury removal performance ofmodified bamboo charcoal (BC) was investigatedwith a bench-scale fixedbed reactor. A simple impregnation method was used tomodify the BC with ZnCl₂ and FeCl₃ separately. BET and XPS were used to determine the pore structure and surface chemistry of the sorbents. The role of Fe³⁺ in the removal of elemental mercury bymodified sorbents was discussed. The experimental results suggest that themodified BCs have excellent adsorption potential for elemental mercury at a relatively higher temperature, 140 ℃. The BET surface area and average pore size ofmodified sorbents do not shownoticeable priority compared to unmodified BC. XPS spectra indicate that Fe atoms mainly exist in the form of Fe³⁺ for the FeCl₃-impregnated BC. Better performance of FeCl₃-impregnated BC at different temperatures (20, 140 and 180 ℃) suggests the enhancement of non-chloride functional groups (Fe³⁺). Inhibition effect of SOx and NO for Hg⁰ removal by BC samples is present in the study.

关键词: Elemental mercury, Bamboo charcoal, FeCl₃, ZnCl₂

Abstract: Themercury removal performance ofmodified bamboo charcoal (BC) was investigatedwith a bench-scale fixedbed reactor. A simple impregnation method was used tomodify the BC with ZnCl₂ and FeCl₃ separately. BET and XPS were used to determine the pore structure and surface chemistry of the sorbents. The role of Fe³⁺ in the removal of elemental mercury bymodified sorbents was discussed. The experimental results suggest that themodified BCs have excellent adsorption potential for elemental mercury at a relatively higher temperature, 140 ℃. The BET surface area and average pore size ofmodified sorbents do not shownoticeable priority compared to unmodified BC. XPS spectra indicate that Fe atoms mainly exist in the form of Fe³⁺ for the FeCl₃-impregnated BC. Better performance of FeCl₃-impregnated BC at different temperatures (20, 140 and 180 ℃) suggests the enhancement of non-chloride functional groups (Fe³⁺). Inhibition effect of SOx and NO for Hg⁰ removal by BC samples is present in the study.

Key words: Elemental mercury, Bamboo charcoal, FeCl₃, ZnCl₂

Zengqiang Tan, Guoping Niu, Xiaowen Chen. Removal of elemental mercury by modified bamboo carbon[J]. Chinese Journal of Chemical Engineering, 2015, 23(11): 1875-1880.

Zengqiang Tan, Guoping Niu, Xiaowen Chen. Removal of elemental mercury by modified bamboo carbon[J]. Chin.J.Chem.Eng., 2015, 23(11): 1875-1880.

参考文献

[1] L.H. Tian, C.T. Li, Q. Li, G.M. Zeng, Z. Gao, S.H. Li, Removal of elemental mercury by activated carbon impregnated with CeO₂, Fuel 88 (2009) 1687-1691.

[2] J.H. Pavlish, M.J. Holmes, S.A. Benson, C.R. Crocker, K.C. Galbreath, Application of sorbents for mercury control for utilities burning lignite coal, Fuel Process. Technol. 85 (2004) 563-576.

[3] R.D. Vidic, D.P. Siler, Vapor-phase elementalmercury adsorption by activated carbon impregnated with chloride and chelating agents, Carbon 39 (2001) 3-14.

[4] E.J. Granite, H.W. Pennline, J.S. Hoffman, Effects of photochemical formation of mercuric oxide, Ind. Eng. Chem. Res. 38 (1999) 5034-5037.

[5] E.J. Granite, H.W. Pennline, Photochemical removal of mercury from flue gas, Ind. Eng. Chem. Res. 41 (2002) 5470-5476.

[6] P.S. Nolan, K.E. Redinger, G.T. Amrhein, G.A. Kudlac, Demonstration of additive use for enhanced mercury emissions control in wet FGD systems, Fuel Process. Technol. 85 (2004) 587-600.

[7] Z.Q. Tan, J.R. Qiu, J. Xiang, Z.H. Liu, H.C. Zeng, S.C. Zhang, Performance and mechanism for elemental mercury removal by bamboo charcoal modified by ZnCl₂, J. Chem. Ind. Eng. 7 (2011) 1944-1950.

[8] J.H. Pavlish, E.A. Sondreal, M.D. Mann, E.S. Olson, K.C. Galbreath, D.L. Laudal, Status review of mercury control options for coal-fired power plants, Fuel Process. Technol. 82 (2003) 89-165.

[9] W. Liu, R.D. Vidic, Optimization of sulfur impregnation protocol for fixed bed application of activated carbon-based sorbents for gas-phase mercury removal, Environ. Sci. Technol. 32 (1998) 531-538.

[10] S.J. Lee, Y.C. Seo, J. Jurng, T.G. Lee, Removal of gas-phase elementalmercury by iodine and chlorine-impregnated activated carbons, Atmos. Environ. 38 (2004) 4887-4893.

[11] N.D. Hutson, B.C. Attwood, K.G. Scheckel, XAS and XPS characterization of mercury binding on brominated activated carbon, Environ. Sci. Technol. 41 (2007) 1747-1752.

[12] S.H. Lee, Y.J. Rhim, S.P. Cho, Carbon-based novel sorbent for removing gas-phase mercury, Fuel 85 (2006) 219-226.

[13] J.R. Morency, T. Panagiotou, C.L. Senior, Zeolite sorbent that effectively removes mercury from flue gases, Filtr. Sep. 39 (2002) 24-26.

[14] S.B. Ghorishi, C.B. Sedman, Low concentration mercury sorption mechanisms and control by calcium-based sorbents: Application in coal-fired processes, J. Air Waste Manage. Assoc. 48 (1998) 1191-1198.

[15] G. Skodras, Ir Diamantopoulou, A. Zabaniotou, G. Stavropoulos, G.P. Sakellaropoulos, Enhanced mercury adsorption in activated carbons from biomass materials and waste tires, Fuel Process. Technol. 88 (2007) 749-758.

[16] D.S. Zhang, Study on fabrication, structure and properties of bamboo charcoal and bamboo based SiC ceramic(Master Thesis) Chinese Academy of Forestry, China, 2005.

[17] Y. Zhang, Z.X. Zhang, T.B. Li, X.G. Liu, B.S. Xu, XPS and XRD study of FeCl₃-graphite intercalation compounds prepared by arc discharge in aqueous solution, Spectrochim. Acta A Mol. Biomol. Spectrosc. 70 (2008) 1060-1064.

[18] R. Yan, D.T. Liang, L. Tsen, Y.P. Wong, Y.K. Lee, Bench-scale experimental evaluation of carbon performance on mercury vapor adsorption, Fuel 83 (2004) 2401-2409.

[19] R.D. Vidic, P.S. Douglas, Vapor-phase elemental mercury adsorption by activated carbon impregnated with chloride and chelating agents, Carbon 39 (2001) 3-14.

[20] K.N. Barquist, Synthesis and environmental adsorption applications of functionalized zeolites and iron oxide/zeolite composites(Ph. D. Thesis) University of Iowa, America, 2009.

[21] Z.Q. Tan, L.S. Sun, J. Xiang, H.C. Zeng, Z.H. Liu, S. Hu, J.R. Qiu, Gas-phase elemental mercury removal by novel carbon-based sorbents, Carbon 50 (2012) 362-371.

[22] A.A. Presto, E.J. Granite, Impact of sulfur oxides onmercury capture by activated carbon, Environ. Sci. Technol. 41 (2007) 6579-6584.

[23] Ir Diamantopoulou, G. Skodras, G.P. Sakellaropoulos, Sorption ofmercury by activated carbon in the presence of flue gas components, Fuel Process. Technol. 91 (2010) 158-163.

[24] H. Chang, X.G. Yuan, A.W. Zeng, Absorption capability of biomass for ethanol dehydration, J. Chem. Ind. Eng. (China) 55 (2004) 309-312.

Removal of elemental mercury by modified bamboo carbon

Removal of elemental mercury by modified bamboo carbon

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 3

编辑推荐

Metrics

本文评价

[1]	Xiaopeng Zhang, Cheng Gao, Ziwei Wang, Ximiao Wang, Jie Cheng, Xinxin Song, Xiangkai Han, Ning Zhang, Junjiang Bao, Gaohong He. Co₃O₄ with ordered pore structure derived from wood vessels for efficient Hg⁰ oxidation[J]. 中国化学工程学报, 2022, 50(10): 215-221.
[2]	武成利, 曹晏, 董众兵, 潘伟平. Impacting Factors of Elemental Mercury Re-emission across a Lab-scale Simulated Scrubber[J]. , 2010, 18(3): 523-528.
[3]	Jam Saifullah Lar, 李秀金. Removal of H₂S during Anaerobic Bioconversion of Dairy Manure[J]. , 2009, 17(2): 273-277.