A composite metal-organic framework material with high selective adsorption for dibenzothiophene
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摘要
A copper-centred metal-organic framework material MOF-101 with 2-bromine terephthalic acid as ligands was synthesized by solvothermal method at 70 ℃ and modified by loading Ag~+to improve the selective adsorption performance.The MOF-101 and Ag~+/MOF-101 prepared were characterised by powder X-ray diffraction,X-ray fluo re scence,Fourier trans fo rm infrared spectroscopy,scanning electro n microscopy,and thermogravimetric analysis.The adsorptive desulphurisation was quantified by adsorbing dibenzothiophene(DBT)from model oils.The loading of Ag~+enhanced the deep adsorptive desulfurization capacity fo r DBT and significantly weaken the adsorption competitiveness of toluene.As a result,the DBT concentration of model oil was reduced from 50 ppms to 10.2 ppms.Possible understandings were put forward to explain the adsorption performance of Ag~+/MOF-101.The kinetics and isotherm data can be well-described by the pseudo-second-order kinetic model and the Langmuir model.
A copper-centred metal-organic framework material MOF-101 with 2-bromine terephthalic acid as ligands was synthesized by solvothermal method at 70 ℃ and modified by loading Ag~+to improve the selective adsorption performance.The MOF-101 and Ag~+/MOF-101 prepared were characterised by powder X-ray diffraction,X-ray fluo re scence,Fourier trans fo rm infrared spectroscopy,scanning electro n microscopy,and thermogravimetric analysis.The adsorptive desulphurisation was quantified by adsorbing dibenzothiophene(DBT)from model oils.The loading of Ag~+enhanced the deep adsorptive desulfurization capacity fo r DBT and significantly weaken the adsorption competitiveness of toluene.As a result,the DBT concentration of model oil was reduced from 50 ppms to 10.2 ppms.Possible understandings were put forward to explain the adsorption performance of Ag~+/MOF-101.The kinetics and isotherm data can be well-described by the pseudo-second-order kinetic model and the Langmuir model.
A copper-centred metal-organic framework material MOF-101 with 2-bromine terephthalic acid as ligands was synthesized by solvothermal method at 70 ℃ and modified by loading Ag~+to improve the selective adsorption performance.The MOF-101 and Ag~+/MOF-101 prepared were characterised by powder X-ray diffraction,X-ray fluo re scence,Fourier trans fo rm infrared spectroscopy,scanning electro n microscopy,and thermogravimetric analysis.The adsorptive desulphurisation was quantified by adsorbing dibenzothiophene(DBT)from model oils.The loading of Ag~+enhanced the deep adsorptive desulfurization capacity fo r DBT and significantly weaken the adsorption competitiveness of toluene.As a result,the DBT concentration of model oil was reduced from 50 ppms to 10.2 ppms.Possible understandings were put forward to explain the adsorption performance of Ag~+/MOF-101.The kinetics and isotherm data can be well-described by the pseudo-second-order kinetic model and the Langmuir model.
引文
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[2]I.Mochida,K.Sakanishi,X.L.Ma,S.Nagao,T.Isoda,Catal.Today 29(1996)185-189.
[3]X.L.Tang,X.Meng,L.Shi,Ind.Eng.Chem.Res.50(2011)7527-7533.
[4]S.Otsuki,T.Nonaka,N.Takashima,et al.,Energy Fuels 14(2000)750-753.
[5]D.J.Monticello,Curr.Opin.Biotechnol.11(2000)540-546.
[6]F.van Looij,P.van der Laan,W.H.J.Stork,D.J.DiCamillo,J.Swain,Appl.Catal.A:Gen.170(1998)1-12.
[7]A.V.Spare,D.H.Broderick,D.Fraenkel,B.C.Gate s,N.K.Nag,AIChE J.26(1980)690-694.
[8]X.L.Ma,K.Sakanishi,I.Mochida,Ind.Eng.Chem.Res.33(1994)218-222.
[9]C.O.Ania,T.J.Bandosz,Langmuir 20(2005)7752.
[10]H.Y.Zhang,G.B.Shan,H.Z.Liu,J.M.Xing,Surf.Coat.Technol.201(2007)6917-6921.
[11]S.G.Mckinley,R.J.Angelici,Chem.Commun.21(2003)2620-2621.
[12]K.Tang,L.J.Song,L.H.Duan,et al.,Acta Phys.-Chim.Sin.22(2006)1116-1120.
[13]K.A.Cychosz,A.G.Wong-foy,A.J.Matzger,J.Am.Chem.Soc.130(2008)6938.
[14]S.H.Jhung,N.A.Khan,Z.Hasan,CrystEngComm 43(2012)7099-7109.
[15]B.van de Voorde,B.Bueken,J.Denayer,D.de Vo s,Chem.Rev.43(2014)5766-5788.
[16]J.R.Li,J.Sculley,H.C.Zhou,Chem.Rev.112(2012)869-932.
[17]B.Wang,H.Yang,Y.B.Xie,et al., Chin.Chem.Lett.27(2016)502-506.
[18]A.Sabine,H.Gunter,K.Jaroslaw,et al.,Sensors 9(2009)1574-1589.
[19]G.Blanco-Brieva,J.M.Campos-Martin,S.M.Al-Zahrani,J.L.G.Fierro,Fuel 90(2011)190-197.
[20]D.Peralta,G.Chaplais,A.Simon-Masseron,K.Barthelet,Energy Fuels 26(2012)4953-4960.
[21]N.A.Khan,S.H.Jhung,J.Hazard.Mater.260(2013)1050-1056.
[22]J.Xiao,Z.Li,B.Liu,Q.B.Xia,Energy Fuels 22(2008)3858-3863.
[23]J.Xiao,C.H.Song,X.L.Ma,L.Zhong,Ind.Eng.Chem.Re s.51(2012)3436-3443.
[24]C.Laborde-Boutet,G.Joly,A.Nicolaos,M.Thomas,Ind.Eng.Chem.Res.45(2006)6758-6764.
[25]M.L.M.Oliveira,A.A.L Miranda,C.M.B.Barbosa,et al.,Fuel 88(2009)1885-1892.
[26]W.Wardencki,R.J.Staszewski,J.Chromatogr.A.91(1974)715-722.
[27]K.A.Cychosz,A.G.Wong-Foy,A.J.Matzger,J.Am.Chem.Soc.313(2009)14538-14543.
[28]Y.Han,S.N. Sheng,F.Yang,et al., Mater.Chem.A.3(2015)12804-12809.
[29]N.A. Khan,C.M.Kim,S.H.Jhung,Chem.Eng.J.311(2017)20-27.
[30] L.B.Qin,Y.S.Zhou,D.Q..Li,et al.,lnd.Eng.Chem.Res.55(2016)7249-7258.
[31]X.Q.Zhao,C.L.Xin,Y.C.Yin,et al.,Adsorpt.Sci.Technol.30(2016)483-490.
[32] E.Mohamed,K.Jaheon,O.Michael,Y.Oma r,J.Am.Chem.Soc.124(2002)376-377.
[33]Y.S.Ho,G.McKay,Process Biochem.34(1999)451-465.
[34]Z.Hasan,J.Jeon,S.H.Jhung,J.Hazard.Mater.209(2012)151-157.
[35]H.R.Dong,Instrumental Analysis,3rd Ed.,Chemical Industry Press,Beijing,2016,pp.193-211
[36]S.G.Mckinley,R.J.Angelici,Chem.Commun.20(2003)2620-2621.