- - a_shahbazi@sbu.ac.ir() - ( ) - (// // ) SBA-15.. (MDA-SBA-15) (NH2-SBA-15) FT-IR XRD. MDA-SBA-15. BET SEM. SBA-15 NH2-SBA-15 / /. -. MDA-SBA-15 MDA-SBA-15. MDA-SBA-15. MDA-SBA-15 NH2-SBA-15 SBA-15 : Si-OH...[].[].[] -. /. (MCM-48) (SBA-15 MCM-41) (MCM-50) SBA-15. B50-1500 (B010 EO16 ), P123,.[] (P85, P65, Brij97(C18 H35 EO10. 19
...[].[]..[ ]..[].. ( ).[] SBA-15.[] SBA-15 SBA-. 15.[] MDA-SBA-15. MDA.[] : ) SBA-15 (. MDA- NH2-SBA-15 SBA-15 - -- SBA-15 SBA-15 P123 /.[ ] / /... ) /.. (... SBA-15 SBA-15 (NH2-SBA-15) ).(.[] NH2-SBA-15.[ ] SBA-15 MDA-SBA-15) 30). NH2-SBA-15.. SBA-15.. 20
-- NH2-SBA-SBA-15 MDA-SBA-15 15...[]. (λmax).() / / ph. λmax (q). -- (XRD) SBA-15. SEM LEO SBA-15. (BET) FT-IR.. - Mthyln Blu / - ( ) (Å) λ () SBA-15-1 Philips X'prt MPD Diffractomtr, Holland - 2 SEM, LEO 1455VP, Cambridg, U.K 3 BELsorp-mini II Volumtric Adsorption Analyzr, Japan 4 Brukr Vctor 22 Infrard Spctrophotomtr 21
nf 1/nF K F ( ). RT RT q = ln AT + bt bt LnC BT(RT/bT () AT.[] :D-R 2 ln q = ln qm kε () q m k ε ε=rtln(1+ 1 ) ) C R ( T. (/J/mol K) - -- --- SBA 15 SBA 15 SEM. SBA 15 q (C0 C)V = W C C R% = C 0 * 100 () () R q C C o W V... -. MDA-SBA-15. q qmklc = 1+ K C L () q m q C K L. R L R L 1 = () 1+ BC 0 SEM - SBA 15 (RL>1) RL (RL = 0) (RL<1> ) (RL= 1). q = K C () F 1/ nf 22
) (- ) (. SBA 15.. MDA MDA SBA 15 XRD MDA.[] SBA 15 --- -. SBA 15 IV.[] SBA 15 ( P/P0= -/) ( ).(-). SBA 15 BET. P/P0= /-/. SBA 15 P/P0 >/.. P/P0= / SBA 15 BET SBA 15 BJH.[ ]. / XRD. / SBA 15 () -. SBA 15. SBA 15 SBA 15.[] --- XRD - MDA SBA 15 ( : (2 APTES (CC ) ( CC-SBA-15 XRD.. SBA 15 SBA 15 () :- - MDA SBA 15 () CC SBA 15 () NH2 SBA 15() 23
. MDA SBA 15.[] FTIR --- SBA 15 FTIR SBA 15 -. SBA 15 - MDA SBA 15 (cm 3 /g) / / / / 2000 (nm) / / / / ѵ(nh 2 ) ѵ(c=n) 1650 1300 (cm -1 ) (m 2 /g) ѵ(si O Si) 950 SBA 15 NH 2 SBA 15 CC SBA 15 MDA SBA 15 600 Transmittanc (a.u) NH 2 () SBA 15 () :FTIR - MDA SBA 15() SBA 15 (cm 3 /g STP) 1600 1400 1200 1000 800 600 400 200 + 600 + 300 + 100 Adsorption Dsorption 0 0 0.2 0.4 0.6 0.8 1 (p/p 0 ) SBA 15 () : - - () CC SBA 15 () NH 2 SBA 15() MDA SBA 15.[] BET - MDA SBA 15 IV SBA 15. H1.[] SBA 15. SBA 15.[]. SBA 15. MDA SBA 15 SBA 15 MDA SBA 15 24
MDA-SBA-15. R q MDA-SBA-15. --. - -. ( R 2 >/).(- ). MDA-SBA-15. MDA-SBA-15. - RL. MDA-SBA-15 nf - / K L (l/mg) / R L / R 2 / K F ((mg/g)(l/mg)) / n F / R 2 q m (mg/g) / β - E / R 2 / A T (l/mg) / b T / R 2 SBA 15 ( Si O Si ). NH2 N H.(- ) MDA SBA 15 C=N FTIR.( - ).[ ] -- MDA-SBA-15 NH2-SBA-15 SBA-15. (SBA-15) SBA-15./. SBA-15. / SBA-15. - / / ph) ( 25
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