Isopropylation of Naphthalene Catalyzed by Fe_2(SO_4)_3/Bentonite Solid Acid Catalyst
LI Ke-jing~1,JIN Hai-bo~1,ZHAO Zhen~2(1.Department of Chemical Engineering,Beijing Institute of Petrochemical Technology,Beijing 102617,China;2.Chemical Technology Institute,China University of Petroleum,Beijing 102249,China)
(1.Department of Chemical Engineering,Beijing Institute of Petrochemical Technology,Beijing 102617,China;2.Chemical Technology Institute,China University of Petroleum,Beijing 102249,China
Abstract��
Fe_2(SO_4)_3/bentonite solid acid catalyst was prepared by the bentonite disposed with H_2SO_4,and then dipped with Fe_2(SO_4)_3 solution.Isopropylation reaction conditions of naphthalene catalyzed by the(Fe_2(SO_4)_3/)bentonite catalyst were investigated using orthogonal design experiment method.The experimental results showed the optimum reaction condition is n(naphthalene)/n(isopropyl alcohol)=8,n(naphthalene)/n(decahydronaphtyalene)=7.5,reaction temperature is 260 ��,reaction time is 6 h,m(catalyst)/m(naphthalene)=0.125.Meanwhile,the effect factors of isopropylation reaction of naphthalene were analyzed systematically.Furthermore,the Fe_2(SO_4)_3/bentonite catalyst was characterized for sour intensity,sour amounts and sour type using NH3-TPD and FT-IR methods.
LI Ke-jing~1,JIN Hai-bo~1,ZHAO Zhen~2.Isopropylation of Naphthalene Catalyzed by Fe_2(SO_4)_3/Bentonite Solid Acid Catalyst[J]. Chemcial Industry and Engineering, 2008,25(3): 224-228
[1]
BRZOZOWSKI R,DOBROWOLSKI J C,JAMROZ M H,etal.Studies on diisopropylnaphthalene substitutionalisomerism[J].Journal of Molecular Catalysis A:Chemical.2001,170:95-99
[2]
ZHAO X S,LUMAX G Q,SONG C.Immobilization ofaluminum chloride on MCM-41 as a new catalyst system forliquid-phase isopropylation of naphthalene[J].Journal ofMolecular Catalysis A:Chemical.2003,191:67-74