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농학석사학위논문 초음파를이용한실크 세리신 실리카복합체의제조와 팔라듐이온흡착제로의응용 년 월 서울대학교대학원 바이오시스템 소재학부바이오소재공학전공 김연우
초음파를이용한실크 세리신 실리카복합체의제조와 팔라듐이온흡착제로의응용 지도교수이기훈 이논문을농학석사학위논문으로제출함 년 월 서울대학교대학원 바이오시스템 소재학부바이오소재공학전공 김연우 김연우의석사학위논문을인준함 년 월
Yield (mg) 120 110 100 90 80 70 60 50 40 30 20 10 0 10 * DW/TEOS_US SS/TEOS SS/TEOS_US 9 8 7 Silica yield (%) 6 5 4 3 2 1 0 * * DW/TEOS_US SS/TEOS SS/TEOS_US
100 90 SS SS/silica SS/silica_US 80 70 Weight (%) 60 50 40 30 20 10 0 0 100 200 300 400 500 600 Temperature ( o C)
120 100 Yield of SS/silica complex 80 60 40 20 0 1:3 2:2 3:1 HS:TEOS ratio 20 1.0 18 Silica contents (%) 16 14 12 10 8 6 4 2 Silica/TEOS (mg/ml) 0.8 0.6 0.4 0.2 0 1:3 2:2 3:1 0.0 1:3 2:2 3:1 HS:TEOS ratio HS:TEOS ratio
100 90 Yield of SS/silica complex (mg) 80 70 60 50 40 30 20 10 0 0 3 6 9 12 15 18 21 Intensity of ultrasound (W/cm 2 ) 10 9 8 7 Silica contents (%) 6 5 4 3 2 1 0 0 3 6 9 12 15 18 21 Intensity of ultrasound (W/cm 2 )
250 Yield of SS/silica complex (mg) 200 150 100 50 0 1 2 3 4 5 6 Time (hour) 50 45 40 35 Silica contents (%) 30 25 20 15 10 5 0 1 2 3 4 5 6 Time (hour)
11 10 SS SS/Silica_US 9 8 7 Final ph 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 Initial ph
[Cl - ] TOT = 500.00 mm [Pd 2+ ] TOT = 5.00 mm 1.0 PdCl 4 2- PdO(cr) 0.8 0.6 Fraction 0.4 0.2 0.0 2 4 6 8 10 12 14 ph
1.2 1.0 0.8 Absorbance 0.6 0.4 0.2 y=0.0022x-0.0057 R 2 =0.9991 0.0 0 100 200 300 400 500 600 Concentration (mg/l)
40 35 30 25 q e (mg/g) 20 15 10 5 SS SS/Silica_US1h SS/Silica_US3h SS/Silica_US5h 0 0 300 600 900 1200 1500 C 0 (mg/g)
0.060 SS Linear Fit of SS 0.060 SS/Silica_US1h Linear Fit of SS/Silica_US1h 0.055 0.055 0.050 0.050 1/Q e 0.045 0.040 0.035 0.030 1/Q e 0.045 0.040 0.035 0.025 0.00 0.01 0.02 0.03 0.030 0.000 0.005 0.010 0.015 0.020 0.025 1/C e 1/C e 0.060 SS/Silica_US3h Linear Fit of SS/Silica_US3h 0.064 SS/Silica_US5h Linear Fit of SS/Silica_US5h 0.055 0.062 0.060 0.050 0.058 1/Q e 0.045 1/Q e 0.056 0.054 0.040 0.052 0.035 0.000 0.005 0.010 0.015 0.020 0.025 0.050 0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016 0.018 1/C e
log log log log
3.7 SS Linear Fit of SS 3.7 SS/Silica_US1h Linear Fit of SS/Silica_US1h 3.6 3.6 3.5 3.5 3.4 3.4 3.3 3.3 ln q e 3.2 ln q e 3.2 3.1 3.1 3.0 3.0 2.9 2.9 2.8 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 ln C e 2.8 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 ln C e 3.25 SS/Silica_US3h Linear Fit of SS/Silica_US3h 3.05 SS/Silica_US5h Linear Fit of SS/Silica_US5h 3.20 3.15 3.00 3.10 ln q e 3.05 ln q e 2.95 3.00 2.95 2.90 2.90 2.85 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 2.85 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 ln C e ln C e
0.0008 SS Linear Fit of SS 0.0008 SS/Silica_US1h Linear Fit of SS/Silica_US1h 0.0007 0.0007 0.0006 0.0006 C e /((C s -C e )(q e )) 0.0005 0.0004 0.0003 C e /((C s -C e )(q e )) 0.0005 0.0004 0.0003 0.0002 0.0002 0.0001 0.0001 0.0000 0.000 0.004 0.008 0.012 0.016 0.020 0.024 C e /C s 0.0000 0.000 0.004 0.008 0.012 0.016 0.020 0.024 C e /C s 0.0010 SS/Silica_US3h Linear Fit of SS/Silica_US3h 0.0014 SS/Silica_US5h Linear Fit of SS/Silica_US5h 0.0008 0.0012 0.0010 C e /((C s -C e )(q e )) 0.0006 0.0004 0.0002 C e /((C s -C e )(q e )) 0.0008 0.0006 0.0004 0.0002 0.0000 0.0000 0.000 0.005 0.010 0.015 0.020 0.000 0.005 0.010 0.015 0.020 0.025 C e /C s C e /C s
50 45 40 Langmuir Freundlich BET 35 30 q e (mg/g) 25 20 15 10 5 0 0 300 600 900 1200 1500 C e (mg/g) 50 45 40 Langmuir Freundlich BET 35 30 q e (mg/g) 25 20 15 10 5 0 0 300 600 900 1200 1500 C e (mg/g)
50 45 40 Langmuir Freundlich BET 35 30 q e (mg/g) 25 20 15 10 5 0 0 300 600 900 1200 1500 C e (mg/g) 50 45 40 Langmuir Freundlich BET q e (mg/g) 35 30 25 20 15 10 5 0 0 300 600 900 1200 1500 C e (mg/g)
40 35 30 q e (mg/g) 25 20 15 10 5 SS SS/Silica_US1h SS/Silica_US3h SS/Silica_US5h 0 0 5 10 15 20 25 Time (h)
log log min log
2.0 SS SS/Silica_US1h SS/Silica_US3h SS/Silica_US5h 1.5 log(q e -q t ) 1.0 0.5 0.0-0.5 0 2 4 6 8 10 12 Time (h) 1.6 1.4 SS SS/Silica_US1h SS/Silica_US3h SS/Silica_US5h 1.2 1.0 t/q t 0.8 0.6 0.4 0.2 0.0 0 5 10 15 20 25 Time (h)
0.09 0.08 SS SS/Silica_US1h SS/Silica_US3h SS/Silica_US5h 0.07 Remaining weight (g) 0.06 0.05 0.04 0.03 0.02 0.01 0.00 1 2 3 4 5 Regeneration cycle
35 30 SS SS/Silica_US1h SS/Silica_US3h SS/Silica_US5h 25 q e (mg/g) 20 15 10 5 0 1 2 3 4 5 Regeneration cycle