Supercritical fluid extraction of surfactant template from MCM-41

被引:79
作者
Kawi, S [1 ]
Lai, MW [1 ]
机构
[1] Natl Univ Singapore, Dept Chem Engn, Singapore 119260, Singapore
关键词
D O I
10.1039/a802907e
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Supercritical fluid extraction was used to extract and recover >90% of the surfactant template from the pores of assynthesized pure siliceous MCM-41 and the MCM-41 after supercritical fluid extraction shows more uniform pore size distribution than the calcined MCM-41.
引用
收藏
页码:1407 / 1408
页数:2
相关论文
共 12 条
[1]   CLEANUP OF COMPLEX ORGANIC MIXTURES USING SUPERCRITICAL FLUIDS AND SELECTIVE ADSORBENTS [J].
ALEXANDROU, N ;
LAWRENCE, MJ ;
PAWLISZYN, J .
ANALYTICAL CHEMISTRY, 1992, 64 (03) :301-311
[2]   EFFECT OF PRESSURE, TEMPERATURE, MODIFIER, MODIFIER CONCENTRATION, AND SAMPLE MATRIX ON THE SUPERCRITICAL-FLUID EXTRACTION EFFICIENCY OF DIFFERENT PHENOLIC-COMPOUNDS [J].
ASHRAFKHORASSANI, M ;
GIDANIAN, S ;
YAMINI, Y .
JOURNAL OF CHROMATOGRAPHIC SCIENCE, 1995, 33 (11) :658-662
[3]  
BECK JS, 1992, J AM CHEM SOC, V114, P10384
[4]   STUDIES ON MESOPOROUS MATERIALS .1. SYNTHESIS AND CHARACTERIZATION OF MCM-41 [J].
CHEN, CY ;
LI, HX ;
DAVIS, ME .
MICROPOROUS MATERIALS, 1993, 2 (01) :17-26
[5]  
HAWTHORNE S B, 1990, Analytical Chemistry, V62, P633
[6]   Influence of template extraction on structure, activity, and stability of MCM-41 catalysts [J].
Hitz, S ;
Prins, R .
JOURNAL OF CATALYSIS, 1997, 168 (02) :194-206
[8]   ORDERED MESOPOROUS MOLECULAR-SIEVES SYNTHESIZED BY A LIQUID-CRYSTAL TEMPLATE MECHANISM [J].
KRESGE, CT ;
LEONOWICZ, ME ;
ROTH, WJ ;
VARTULI, JC ;
BECK, JS .
NATURE, 1992, 359 (6397) :710-712
[9]   ROLE OF MODIFIERS FOR ANALYTICAL-SCALE SUPERCRITICAL-FLUID EXTRACTION OF ENVIRONMENTAL-SAMPLES [J].
LANGENFELD, JJ ;
HAWTHORNE, SB ;
MILLER, DJ ;
PAWLISZYN, J .
ANALYTICAL CHEMISTRY, 1994, 66 (06) :909-916
[10]   EFFECTS OF TEMPERATURE AND PRESSURE ON SUPERCRITICAL FLUID EXTRACTION EFFICIENCIES OF POLYCYCLIC AROMATIC-HYDROCARBONS AND POLYCHLORINATED-BIPHENYLS [J].
LANGENFELD, JJ ;
HAWTHORNE, SB ;
MILLER, DJ ;
PAWLISZYN, J .
ANALYTICAL CHEMISTRY, 1993, 65 (04) :338-344