Preparation and Application of the Sol-Gel Combustion Synthesis-Made CaO/CaZrO3 Sorbent for Cyclic CO2 Capture Through the Severe Calcination Condition

doi:10.1016/j.cjche.2014.06.034

›› 2014, Vol. 22 ›› Issue (9): 991-999.DOI: 10.1016/j.cjche.2014.06.034

Preparation and Application of the Sol-Gel Combustion Synthesis-Made CaO/CaZrO₃ Sorbent for Cyclic CO₂ Capture Through the Severe Calcination Condition

Baowen Wang^1,2, Xiaoyong Song¹, ZonghuaWang³, Chuguang Zheng²

1 College of Electric Power, North China University ofWater Resources and Electric Power, Zhengzhou 450011, China;
2 State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China;
3 Henan Institute of Metallurgy Corporation, Zhengzhou 450053, China

收稿日期:2014-03-13 修回日期:2014-05-12 出版日期:2014-09-28 发布日期:2014-11-04
通讯作者: Baowen Wang
基金资助:
Supported by the National Natural Science Foundation of China (51276210, 50906030, 31301586), the Partial Financial Grant of North China University of Water Resources and Electric Power (201012) and the National Basic Research Program of China (2011CB707301).

Preparation and Application of the Sol-Gel Combustion Synthesis-Made CaO/CaZrO₃ Sorbent for Cyclic CO₂ Capture Through the Severe Calcination Condition

Baowen Wang^1,2, Xiaoyong Song¹, ZonghuaWang³, Chuguang Zheng²

1 College of Electric Power, North China University ofWater Resources and Electric Power, Zhengzhou 450011, China;
2 State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China;
3 Henan Institute of Metallurgy Corporation, Zhengzhou 450053, China

Received:2014-03-13 Revised:2014-05-12 Online:2014-09-28 Published:2014-11-04
Supported by:
Supported by the National Natural Science Foundation of China (51276210, 50906030, 31301586), the Partial Financial Grant of North China University of Water Resources and Electric Power (201012) and the National Basic Research Program of China (2011CB707301).

摘要/Abstract

摘要： Calciumlooping method has been considered as one of the efficient options to capture CO₂ in the combustion flue gas. CaO-based sorbent is the basis for application of calcium looping and should be subjected to the severe calcination condition so as to obtain the concentrated CO₂ stream. In this research, CaO/CaZrO₃ sorbents were synthesized using the sol-gel combustion synthesis (SGCS) method with urea as fuel. The cyclic reaction performance of the synthesized sorbents was evaluated on a lab-scaled reactor system through calcination at 950℃ in a pure CO₂ atmosphere and carbonation at 650℃ in the 15% (by volume) CO₂. The mass ratio of CaO to CaZrO₃ as 8:2 (designated as Ca₈Zr₂) was screened as the best option among all the synthesized CaO sorbents for its high CO₂ capture capacity and carbonation conversion at the initial cycle. And then a gradual decay in the CO₂ capture capacity was observed at the following 10 successive cycles, but hereafter stabilized throughout the later cycles. Furthermore, structural evolution of the carbonated Ca₈Zr₂ over the looping cycles was investigated. With increasing looping cycles, the pore peak and mean grain size of the carbonated Ca₈Zr₂ sorbent shifted to the bigger direction but both the surface area (SA) ratio Φ and surface fractal dimension Ds decreased. Finally, morphological transformation of the carbonated Ca₈Zr₂ was observed. Agglomeration and edge rounding of the newly formed CaCO₃ grainswere found as aggravated at the cyclic carbonation stage. As a result, carbonation of Ca₈Zr₂ with CO₂was observed only confined to the external active CaO by the fast formation of the CaCO₃ shell outside, which occluded the further carbonation of the unreacted CaO inside. Therefore, enough attention should be paid to the carbonation stage and more effective activation measures should be explored to ensure the unreacted active CaO fully carbonated over the extended looping cycles.

关键词: CO₂ capture, Calcium looping cycles, CaO/CaO/CaZrO₃ sorbent, Sol-gel combustion synthesis method

Abstract: Calciumlooping method has been considered as one of the efficient options to capture CO₂ in the combustion flue gas. CaO-based sorbent is the basis for application of calcium looping and should be subjected to the severe calcination condition so as to obtain the concentrated CO₂ stream. In this research, CaO/CaZrO₃ sorbents were synthesized using the sol-gel combustion synthesis (SGCS) method with urea as fuel. The cyclic reaction performance of the synthesized sorbents was evaluated on a lab-scaled reactor system through calcination at 950℃ in a pure CO₂ atmosphere and carbonation at 650℃ in the 15% (by volume) CO₂. The mass ratio of CaO to CaZrO₃ as 8:2 (designated as Ca₈Zr₂) was screened as the best option among all the synthesized CaO sorbents for its high CO₂ capture capacity and carbonation conversion at the initial cycle. And then a gradual decay in the CO₂ capture capacity was observed at the following 10 successive cycles, but hereafter stabilized throughout the later cycles. Furthermore, structural evolution of the carbonated Ca₈Zr₂ over the looping cycles was investigated. With increasing looping cycles, the pore peak and mean grain size of the carbonated Ca₈Zr₂ sorbent shifted to the bigger direction but both the surface area (SA) ratio Φ and surface fractal dimension Ds decreased. Finally, morphological transformation of the carbonated Ca₈Zr₂ was observed. Agglomeration and edge rounding of the newly formed CaCO₃ grainswere found as aggravated at the cyclic carbonation stage. As a result, carbonation of Ca₈Zr₂ with CO₂was observed only confined to the external active CaO by the fast formation of the CaCO₃ shell outside, which occluded the further carbonation of the unreacted CaO inside. Therefore, enough attention should be paid to the carbonation stage and more effective activation measures should be explored to ensure the unreacted active CaO fully carbonated over the extended looping cycles.

Key words: CO₂ capture, Calcium looping cycles, CaO/CaO/CaZrO₃ sorbent, Sol-gel combustion synthesis method

Baowen Wang, Xiaoyong Song, ZonghuaWang, Chuguang Zheng. Preparation and Application of the Sol-Gel Combustion Synthesis-Made CaO/CaZrO₃ Sorbent for Cyclic CO₂ Capture Through the Severe Calcination Condition[J]. , 2014, 22(9): 991-999.

参考文献

[1] J. Blamey, E.J. Anthony, J. Wang, P.S. Fennell, The calcium looping cycle for largescale CO₂ capture, Prog. Energy Combust. Sci. 36 (2) (2010) 260-279.
[2] B.W. Wang, Y. Zheng, R. Yan, C.G. Zheng, J.A. Shao, J.R. Qiu, A new indicator for determining the fast chemical reaction stage of CaO carbonation with CO₂, Asia-Pac. J. Chem. Eng. 2 (3) (2007) 197-202.
[3] W.Q. Liu, B. Feng, N.W. Low, G.X. Wang, J.C. Diniz Da Costa, Calcium precursors for the production of CaO sorbents for multicycle CO₂ capture, Environ. Sci. Technol. 44 (2) (2010) 841-847.
[4] H. Lu, A. Khan, S.E. Pratsinis, P.G. Smirniotis, Flame-made durable doped-CaO nanosorbents for CO₂ capture, Energy Fuels 23 (2) (2009) 1093-1100.
[5] H. Lu, E.P. Reddy, P.G. Smirniotis, Calciumoxide based sorbents for capture of carbon dioxide at high temperatures, Ind. Eng. Chem. Res. 45 (11) (2006) 3944-3949.
[6] K.O. Albrecht, K.S.Wagenbach, J.A. Satrio, B. Shanks, T.D.Wheelock, Development of a CaO-based CO₂ sorbent with improved cyclic stability, Ind. Eng. Chem. Res. 47 (20) (2008) 7841-7848.
[7] W.Q. Liu, B. Feng, Y.Q. Wu, G.X. Wang, J. Barry, J.C. Diniz Da Costa, Synthesis of sintering-resistant sorbents for CO₂ capture, Environ. Sci. Technol. 44 (8) (2010) 3093-3097.
[8] C. Luo, Y. Zheng, N. Ding, Q.L. Wu, G. Bian, C.G. Zheng, Development and performance of CaO/La2O3 sorbents during calcium looping cycles for CO₂ capture, Ind. Eng. Chem. Res. 49 (22) (2010) 11778-11784.
[9] Z.S. Li, N.S. Cai, Y.Y. Huang, Synthesis, experimental studies, and analysis of a new calcium-based carbon dioxide absorbent, Energy Fuels 19 (4) (2005) 1447-1452.
[10] R. Pacciani, C.R. Műller, J.F. Davidson, J.S. Dennis, A.N. Hayhurst, Synthetic Ca-based solid sorbents suitable for capturing CO₂ in a fluidized bed, Can. J. Chem. Eng. 86 (3) (2008) 356-366.
[11] M. Aihara, T. Nagai, J. Matsushita, Y. Negishi, H. Ohya, Development of porous solid reactant for thermal-energy storage and temperature upgrade using carbonation/ decarbonation reaction, Appl. Energy 69 (3) (2001) 225-238.
[12] S.F.Wu, Y.Q. Zhu, Behavior of CaTiO3/nano-CaO as a CO₂ reactive adsorbent, Ind. Eng. Chem. Res. 49 (6) (2010) 2701-2706.
[13] L.Y. Li, D.L. King, Z.M. Nie, H. Chris, Magnesia-stabilized calcium oxide absorbents with improved durability for high temperature CO₂ capture, Ind. Eng. Chem. Res. 48 (23) (2009) 10604-10613.
[14] L.Y. Li, D.L. King, Z.M. Nie, X.H. Li, H. Chris, MgAl2O4 spinel-stabilized calcium oxide absorbents with improved durability for high-temperature CO₂ capture, Energy Fuels 24 (6) (2010) 3698-3703.
[15] C.S. Martavaltzi, A.A. Lemonidou, Development of new CaO based sorbent materials for CO₂ removal at high temperature, MicroporousMesoporousMater. 110 (1) (2008) 119-127.
[16] J. Mastin, A. Aranda, J. Meyer, New synthesis method for CaO-based synthetic sorbents with enhanced properties for high-temperature CO₂-capture, Energy Procedia 4 (2011) 1184-1191.
[17] K.C. Patil, S.T. Aruna, T. Mimani, Combustion synthesis: an update, Curr. Opin. Solid State Mater. Sci. 6 (6) (2002) 507-512.
[18] C. Luo, Y. Zheng, N. Ding, C.G. Zheng, Enhanced cyclic stability of CO₂ adsorption capacity of CaO-based sorbents using La2O3 or Ca12Al14O33 as additives, Korean J. Chem. Eng. 28 (4) (2011) 1042-1046.
[19] B.W. Wang, R. Yan, D.H. Lee, Y. Zheng, H.B. Zhao, C.G. Zheng, Characterization and evaluation of Fe2O3/Al2O3 oxygen carrier prepared by sol-gel combustion synthesis, J. Anal. Appl. Pyrolysis 91 (1) (2011) 105-113.
[20] E.T. Santos, C. Alfonsin, A.J.S. Chambel, A.P. Soares Dias, C.I.C. Pinheiro, M.F. Ribeiro, Investigation of a stable synthetic sol-gel CaO sorbent for CO₂ capture, Fuel 94 (1) (2012) 624-628.
[21] K. Wang, X. Guo, P.F. Zhao, L.Q. Zhang, C.G. Zheng, CO₂ capture of limestone modified by hydration-dehydration technology for carbonation/calcination looping, Chem. Eng. J. 173 (1) (2011) 158-163.
[22] D. Beruto, L. Barco, A.W. Searcy, CO₂-catalyzed surface area and porosity changes in high surface-area CaO aggregates, J. Am. Ceram. Soc. 67 (7) (1984) 512-516.
[23] R.H. Borgwardt, Calciumoxide sintering in atmosphere containingwater and carbon dioxide, Ind. Eng. Chem. Res. 28 (4) (1989) 493-500.
[24] R.H. Borgwardt, Sintering of nascent calcium oxide, Chem. Eng. Sci. 44 (1) (1989) 53-60.
[25] C. Rodriguez-Navarro, E. Ruiz-Agudo, A. Luque, A.B. Rodriguez-Navarro, M. Ortega-Huertas, Thermal decomposition of calcite: mechanisms of formation and textual evolution of CaO nanocrystals, Am. Mineral. 94 (4) (2009) 578-593.
[26] D.R. Glasson, Reactivity of lime and related oxides. VII crystal size variation in calcium oxide produced from limestone, J. Appl. Chem. 11 (6) (1961) 201-206.
[27] Y.J. Li, C.S. Zhao, H.C. Chen, C. Liang, L.B. Duan,W. Zhou,Modified CaO-based sorbent looping cycle for CO₂ mitigation, Fuel 88 (4) (2009) 697-704.
[28] Y.Q. Zhu, S.F. Wu, X.Q. Wang, Nano CaO grain characteristics and growth model under calcination, Chem. Eng. J. 175 (1) (2011) 512-518.
[29] D. Alvarez, J.C. Abanades, Pore size and shape effects on the recarbonation performance of calciumoxide submitted to repeated calcination/carbonation cycles, Energy Fuels 19 (1) (2005) 270-278.
[30] Z.X. Feng, Y. Zheng, L. Zhang, C.G. Zheng, Research on high temperature sintering behavior of CaO sorbent used in multi-cyclic capturing, J. Eng. Thermophys. 30 (3) (2009) 537-539.
[31] Z.S. Li, N.S. Cai, Y.Y. Huang, Effect of preparation temperature on cyclic CO₂ capture and multiple carbonation-calcination cycles for a new Ca-based CO₂ sorbent, Ind. Eng. Chem. Res. 45 (6) (2006) 1911-1917.
[32] V. Manovic, E.J. Anthony, CaO-pellets supported by calcium aluminate cement for high-temperature CO₂ capture, Environ. Sci. Technol. 43 (18) (2009) 7117-7122.
[33] Y. Deutsch, L. Heller-Kallai, Decarbonation and recarbonation of calcites heated in CO₂. Part 1. Effect of the thermal regime, Thermochim. Acta 182 (1) (1991) 77-89.
[34] B. Gonzalez, M. Alonso, J.C. Abanades, Modeling of the deactivation of CaO in a carbonate loop at high temperatures of calcination, Ind. Eng. Chem. Res. 47 (23) (2008) 9256-9262.
[35] Y. Wang, S.Y. Lin, Y. Suzuki, Study of limestone calcination with CO₂ capture: Decomposition behavior in a CO₂ atmosphere, Energy Fuels 21 (6) (2007) 3317-3321.
[36] G. Grasa, J.C. Abanades, E.J. Anthony, CO₂ capture capacity of CaO in long series of carbonation/calcination cycles, Ind. Eng. Chem. Res. 45 (26) (2006) 8846-8851.
[37] B.D. Cullity, Elements of X-ray Diffraction, 2nd ed. Addison-Wesley Publishing Co., 1978
[38] S. Brunauer, P.H. Emmett, E. Teller, Adsorption of gases in multimolecular layers, J. Am. Chem. Soc. 60 (2) (1938) 309-319.
[39] A. Tarafdar, S. Biswas, N.K. Pramanik, P. Pramanik, Synthesis of mesoporous chromium phosphate through an unconventional sol-gel route, Microporous Mesoporous Mater. 89 (1-3) (2006) 204-208.
[40] E.P. Barret, L.G. Joyner, P.P. Halenda, The determination of pore volume and area distribution in porous substrates. I. Computations from nitrogen isotherms, J. Am. Chem. Soc. 73 (1) (1953) 373-380.
[41] X.X. Han, X.M. Jiang, L.J. Yu, Z.G. Cui, Change of pore structure of oil shale particles during combustion. Part 1. Evolution mechanism, Energy Fuels 20 (6) (2006) 2408-2412.
[42] I.M.K. Ismail, P. Pfeifer, Fractal analysis and surface roughness of nonporous carbon fibers and carbon blacks, Langmuir 10 (5) (1994) 1532-1538.
[43] L. Jia, R. Hughes, D. Lu, E.J. Anthony, I. Lau, Attrition of calcining limestones in circulating fluidized-bed systems, Ind. Eng. Chem. Res. 46 (15) (2007) 5199-5209.
[44] C.L. Qin, J.J. Yin, H. An, W.Q. Liu, B. Feng, Performance of extruded particles from calciumhydroxide and cement for CO₂ capture, Energy Fuels 26 (1) (2012) 154-161.
[45] H.C. Chen, C.S. Zhao, Y.M. Yang, P.P. Zhang, CO₂ capture and attrition performance of CaO pellets with aluminate cement under pressurized carbonation, Appl. Energy 91 (1) (2012) 334-340.
[46] R. Koirala, K.R. Gunugunuri, S.E. Pratsinis, P.G. Smirniotis, Effect of zirconia doping on the structure and stability of CaO-based sorbents for CO₂ capture during extended operating cycles, J. Phys. Chem. C 115 (50) (2011) 24804-24812.
[47] A.L. Ortiz, D.P. Harrison, Hydrogen production using sorption-enhanced reaction, Ind. Eng. Chem. Res. 40 (23) (2001) 5102-5109.
[48] J.C. Abanades, D. Alvarez, Conversion limits in the reaction of CO₂ with lime, Energy Fuels 17 (2) (2003) 308-315.
[49] H.R. Radfarnia, M.C. Iliuta, Development of zirconium-stabilized calcium oxide absorbent for cyclic high-temperature CO₂ capture, Ind. Eng. Chem. Res. 51 (31) (2012) 10390-10398.
[50] A. Shulman, E. Cleverstam, T. Mattisson, A. Lyngfelt, Manganese/iron, manganese/ nickel, and manganese/silicon oxides used in chemical-looping with oxygen uncoupling (CLOU) for combustion of methane, Energy Fuels 23 (10) (2009) 5269-5275.
[51] A. Thongtha, A. Laowanidwatania, T. Bongkarn, Effect of firing temperature on phase and morphology evolution of CaZrO3 ceramics synthesized using the combustion technique, Ferroelectrics 403 (1) (2010) 3-10.
[52] D. Pretis, F. Ricciardiello, O. Sbaizero, Mechanical properties of polycrystalline CaZrO3, Powder Metall. Int. 18 (6) (1986) 427-430.
[53] H.C. Chen, C.S. Zhao, Development of a CaO-based sorbent with improved cyclic stability for CO₂ capture in pressurized carbonation, Chem. Eng. J. 171 (1) (2011) 197-205.
[54] S.R. Jain, K.C. Adiga, V.R.P. Verneker, New approach to thermochemical calculations of condensed fuel-oxidizer mixtures, Combust. Flame 40 (1) (1981) 71-79.
[55] M. Edrissi, R.Norouzbeigi, Synthesis and characterization of alumina nanopowders by combustion of nitrate-amino acid gels, Mater. Sci. Poland 25 (4) (2007) 1029-1040.
[56] J.J. Kingsley, K.C. Patil, A novel combustion process for the synthesis of fine particle α-alumina and related oxide materials, Mater. Lett. 6 (11-12) (1988) 427-432.
[57] F. Li, K.A. Hu, J.L. Li, D. Zhang, G. Chen, Combustion synthesis of γ-lithium aluminate by using various fuels, J. Nucl. Mater. 300 (1) (2002) 82-88.
[58] A.I. Lysikov, A.N. Salanov, A.G. Okunew, Change of CO₂ carrying capacity of CaO in isothermal recarbonation-decomposition cycles, Ind. Eng. Chem. Res. 46 (13) (2007) 4633-4638.
[59] V. Manovic, E.J. Anthony, Thermal activation of CaO-based sorbent and self-activation during CO₂ capture looping cycles, Environ. Sci. Technol. 42 (11) (2008) 4170-4174.
[60] A. Venkatraman, L.T. Fan, W.P. Walawender, The influence of the temperature of calcination on the surface fractal dimensions of Ca(OH)2-derived sorbents, J. Colloid Interface Sci. 182 (2) (1996) 578-585.
[61] Y.J. Li, Fractal dimension of modified calcium-based sorbent during cyclic CO₂ capture at high temperature, Proc. CSEE 31 (29) (2011) 35-40.

Preparation and Application of the Sol-Gel Combustion Synthesis-Made CaO/CaZrO₃ Sorbent for Cyclic CO₂ Capture Through the Severe Calcination Condition

Preparation and Application of the Sol-Gel Combustion Synthesis-Made CaO/CaZrO₃ Sorbent for Cyclic CO₂ Capture Through the Severe Calcination Condition

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