Thermokinetic and conductivity analyzes of the high CO_2 chemisorption on Li_5AlO_4 and alkaline carbonate impregnated Li_5AlO_4 samples: Effects produced by the use of CO_2 partial pressures and oxygen addition
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摘要
The effect of CO_2 partial pressure was evaluated during the CO_2 chemisorption in penta lithium aluminate(Li_5AlO_4), using different CO_2 and O_2 partial pressures in the presence or absence of alkaline carbonates. Results showed that using low PO_2(0.1) did not affect the kinetic and final CO_2 chemisorption process. Moreover, small additions of oxygen(PO_2= 0.05) into the mixture flue gas, seemed to increase the CO_2 chemisorption. Additionally, the presence of alkaline carbonates modified the CO_2 capture temperature range. CO_2 chemisorption kinetic parameters were determined assuming a double exponential model where direct CO_2 chemisorption and CO_2 chemisorption controlled by diffusion processes are considered.Finally, ionic diffusion was analyzed by ionic conduction analysis, where all the gravimetric and ionic measurements were in good agreement showing different diffusion processes depending on temperature.Finally, the oxygen and alkaline carbonate additions have positive effects during the CO_2 chemisorption process in Li_5AlO_4, and a possible reaction mechanism is presented.
The effect of CO_2 partial pressure was evaluated during the CO_2 chemisorption in penta lithium aluminate(Li_5AlO_4), using different CO_2 and O_2 partial pressures in the presence or absence of alkaline carbonates. Results showed that using low PO_2(0.1) did not affect the kinetic and final CO_2 chemisorption process. Moreover, small additions of oxygen(PO_2= 0.05) into the mixture flue gas, seemed to increase the CO_2 chemisorption. Additionally, the presence of alkaline carbonates modified the CO_2 capture temperature range. CO_2 chemisorption kinetic parameters were determined assuming a double exponential model where direct CO_2 chemisorption and CO_2 chemisorption controlled by diffusion processes are considered.Finally, ionic diffusion was analyzed by ionic conduction analysis, where all the gravimetric and ionic measurements were in good agreement showing different diffusion processes depending on temperature.Finally, the oxygen and alkaline carbonate additions have positive effects during the CO_2 chemisorption process in Li_5AlO_4, and a possible reaction mechanism is presented.
The effect of CO_2 partial pressure was evaluated during the CO_2 chemisorption in penta lithium aluminate(Li_5AlO_4), using different CO_2 and O_2 partial pressures in the presence or absence of alkaline carbonates. Results showed that using low PO_2(0.1) did not affect the kinetic and final CO_2 chemisorption process. Moreover, small additions of oxygen(PO_2= 0.05) into the mixture flue gas, seemed to increase the CO_2 chemisorption. Additionally, the presence of alkaline carbonates modified the CO_2 capture temperature range. CO_2 chemisorption kinetic parameters were determined assuming a double exponential model where direct CO_2 chemisorption and CO_2 chemisorption controlled by diffusion processes are considered.Finally, ionic diffusion was analyzed by ionic conduction analysis, where all the gravimetric and ionic measurements were in good agreement showing different diffusion processes depending on temperature.Finally, the oxygen and alkaline carbonate additions have positive effects during the CO_2 chemisorption process in Li_5AlO_4, and a possible reaction mechanism is presented.
引文
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[2]M.Puccini,E.Stefanelli,M.Seggiani,S.Vitolo,Chem.Eng.Trans.47(2016)139–144.
[3]A.Iwan,H.Stephenson,W.C.Ketchie,A.A.Lapkin,Chem.Eng.J.146(2009)249–258.
[4]M.Xie,Z.Zhou,Y.Qi,Z.Cheng,W.Yuan,Chem.Eng.J.207–208(2012)142–150.
[5]X.Yang,W.Liu,J.Sun,Y.Hu,W.Wang,H.Chen,Y.Zhang,X.Li,M.Xu,ChemSus Chem 9(2016)1607–1613.
[6]E.Ochoa-Fernández,T.Zhao,M.R?nning,D.Chen,J.Environ.Eng.135(2009)397–403.
[7]H.K.Rusten,E.Ochoa-Fernández,H.Lindborg,D.Chen,H.A.Jakobsen,Ind.Eng.Chem.Res.46(2007)8729–8737.
[8]R.Rodríguez-Mosqueda,H.Pfeiffer,J.Phys.Chem.A 114(2010)4535–4541.
[9]M.Nomura,T.Sakanishi,Y.Nishi,K.Utsumi,R.Nakamura,Ener.Procedia 37(2013)1004–1011.
[10]M.Seggiani,M.Puccini,S.Vitolo,Int.J.Greenh.Gas Control 5(2011)741–748.
[11]I.C.Romero-Ibarra,J.Ortiz-Landeros,H.Pfeiffer,Thermochim.Acta 567(2013)118–124.
[12]Y.Duan,H.Pfeiffer,B.Li,I.C.Romero-Ibarra,D.C.Sorescu,D.R.Luebke,J.W.Halley,Phys.Chem.Chem.Phys.15(2013)13538–13558.
[13]L.M.Palacios-Romero,H.Pfeiffer,Chem.Lett.37(2008)862–863.
[14]Y.Matsukura,T.Okumura,R.Kobayashi,K.Oh-Ishi,Chem.Lett.39(2010)966–967.
[15]K.Nakagawa,J.Electrochem.Soc.145(1998)1344–1346.
[16]H.Pfeiffer,P.Bosch,Chem.Mater.17(2005)1704–1710.
[17]B.N.Nair,R.P.Burwood,V.J.Goh,K.Nakagawa,T.Yamaguchi,Prog.Mater.Sci.54(2009)511–541.
[18]Q.Xiao,X.Tang,Y.Liu,Y.Zhong,W.Zhu,Chem.Eng.J.174(2011)231–235.
[19]T.Avalos-Rendón,J.Casa-Madrid,H.Pfeiffer,J.Phys.Chem.A 113(2009)6919–6923.
[20]T.Avalos-Rendón,V.H.Lara,H.Pfeiffer,Ind.Eng.Chem.Res.51(2012)2622–2630.
[21]S.M.Amorim,M.D.Domenico,T.L.P.Dantas,H.J.José,R.F.P.M.Moreira,Chem.Eng.J.283(2016)388–396.
[22]Q.Feng,X.Xu,X.Zeng,G.Lv,J.Deng,W.Ma,Y.Zhou,Current Environ.Eng.2(2015)127–131.
[23]S.Jeoung,J.H.Lee,Y.Kim,H.R.Moon,Thermochim.Acta 637(2016)31–37.
[24]Q.Guan,X.Chen,T.Gao,C.Xiao,L.Zhao,J.He,X.Long,J.Nucl.Mater.465(2015)170–176.
[25]I.Alcérreca-Corte,E.Fregoso-Israel,H.Pfeiffer,J.Phys.Chem.C 112(2008)6520–6525.
[26]L.Martínez-dl Cruz,H.Pfeiffer,Ind.Eng.Chem.Res.49(2010)9038–9042.
[27]H.R.Radfarnia,M.C.Iliuta,Sep.Purif.Technol.93(2012)98–106.
[28]H.G.Jo,H.J.Yoon,C.H.Lee,K.B.Lee,Ind.Eng.Chem.Res.55(2016)3833–3839.
[29]Q.Xiao,Y.Liu,Y.Zhong,W.Zhu,J.Mater.Chem.21(2011)3838–3842.
[30]M.T.Flores-Martínez,H.Pfeiffer,Greenh.Gas.Scien.Technol.5(2015)802–811.
[31]J.Ortiz-Landeros,T.Norton,Y.S.Lin,Chem.Eng.Sci.104(2013)891–898.
[32]S.Lowell,J.E.Shields,M.A.Thomas,M.Thommes,Characterization of Porous Solids and Powders:Surface Area,Pore Size and Density,Kluwer Academic Publishers,London,2004.
[33]L.Martinez-dl Cruz,H.Pfeiffer,J.Phys.Chem.C 116(2012)9675–9680.
[34]L.Lei,D.He,Z.Yongtao,W.Zhang,Z.Wang,M.Jiang,M.Du,J.Solid State Chem.181(2008)1810–1815.
[35]J.Ortiz-Landeros,T.L.ávalos-Rendón,C.Gómez-Yá?ez,H.Pfeiffer,J.Therm.Anal.Calor.108(2012)647–655.
[36]B.Alcántar-Vázquez,C.Diaz,I.C.Romero-Ibarra,E.Lima,H.Pfeiffer,J.Phys.Chem.C 117(2013)16483–16491.
[37]A.Peters,C.Korte,D.Hesse,N.Zakharov,J.Janek,Solid State Ion.178(2007)67–76.
[38]T.V.S.L.Satyavani,B.Ramya-Kiran,V.Rajesh-Kumar,S.A.Kumar,S.V.Naidu,Eng.Sci.Technol.Int.J.19(2016)40–44.
[39]R.J.D.Tilley,Defects in Solids,John Wiley&Sons,Inc.,London,2008.