Geopolymer.pptx

MohammedSattar17 90 views 34 slides Sep 17, 2022
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About This Presentation

AAM


Slide Content

بسم الله الرحمن الرحيم ﴿وَعَلَّمَكَ مَا لَمْ تَكُنْ تَعْلَمُ وَكَانَ فَضْلُ اللَّهِ عَلَيْكَ عَظِيمًا ﴾ صدق الله العظيم سورة النساء أية ﴿١١٣﴾

Utilization of Advanced Capillary Suspension Route to Prepare Structured Ceramic أستخدام طريقة العالق الشعيري المتقدمة لتحضير سيراميك هيكلي

Capillary suspension 3

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Designation | Description 6

Designation | Description 7

Designation | Description 8

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Aim And Objectives 10

Methodology 11 Kaolin SH, SS, PH, PS, Silica gel Alkaline solution MK-750 Hybrid Geopolymer Paste (HGP) Modified Hybrid Geopolymer Foam (MHGF )   Tested by: (XRD, Chemical Analysis, FTIR, PZA, and DTA) Tested by: (XRD, FTIR, and PZA) Addition of OPC Addition of H 2 O 2 and Olive Oil Hybrid Geopolymer Foam (HGF) Tested by: (CS, Physical tests, FTIR, BET, and SEM-EDX) composition Optimizing by RSM Tested by: (XRD, FTIR, PZA, and TEM) composition Modification by CNT, GO, Graphite, and PVA Tested by: Compressive strength, Physical tests, FTIR, BET, and SEM-EDX. Firing at 750 °C for 3 hrs   Pouring Dissolving in water Mechanical mixing

Designation | Description 12

Materials Chemical formula Purity (%) Manufacturer Sodium silicate Na2SiO3.5H2O 97.98 Thomas Baker, India Sodium hydroxide NaOH 97.99 Thomas Baker, India Potassium hydroxide KOH 97.99 Thomas Baker, India Silica gel SiO 2 98.99 Thomas Baker, India Hydrogen peroxide H 2 O 2 30 w/v Thomas Baker, India Carbon nanotube C > 75 Jinzhou Hancheng, China Graphene oxide C 140 H 42 O 20 > 95 Soochow Hengqiu, China Poly (vinyl alcohol) (PVA) [CH 2 CH(OH)] n 99 Sigma-Aldrich, Germany Olive Oil - 99 ZER, Turkey

Preparation of Geopolymer Samples 14

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Symbols Mix formula HGPF1 0.0 K2O. 1.0 Na2O. Al2O3. n SiO2. w H2O HGPF2 0.2 K2O. 0.8 Na2O. Al2O3. n SiO2. w H2O HGPF3 0.5 K2O. 0.5 Na2O. Al2O3. n SiO2. w H2O

N H2O (ml)/10.73 MK-750 OPC powder (wt%) Foaming agent (wt%) Stabilizing agent (wt%) 3.2 8 3.4 9 5 1 1 3.6 10 10 2 2 3.8 11 15 3 3 4.0 12 20 4 4

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Designation | Description 19

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NO. N W C F S 1. 3.2 10 10 2 2 2. 3.4 9 5 1 1 3. 3.4 9 5 1 3 4. 3.4 9 5 3 1 5. 3.4 9 5 3 3 6. 3.4 9 15 1 1 7. 3.4 9 15 1 3 8. 3.4 9 15 3 1 9. 3.4 9 15 3 3 10. 3.4 11 5 1 1 11. 3.4 11 5 1 3 12. 3.4 11 5 3 1 13. 3.4 11 5 3 3 14. 3.4 11 15 1 1 15. 3.4 11 15 1 3 16. 3.4 11 15 3 1 17. 3.4 11 15 3 3 18. 3.6 8 10 2 2 19. 3.6 10 2 2 20. 3.6 10 10 2 21. 3.6 10 10 2 22. 3.6 10 10 2 2 23. 3.6 10 10 2 2 24. 3.6 10 10 2 2 25. 3.6 10 10 2 2 26. 3.6 10 10 2 2 27. 3.6 10 10 2 2 28. 3.6 10 10 2 2 29. 3.6 10 10 2 2 30. 3.6 10 10 2 2 31. 3.6 10 10 2 2 32. 3.6 10 10 2 2 33. 3.6 10 10 2 2 34. 3.6 10 10 2 4 35. 3.6 10 10 4 2 36. 3.6 10 20 2 2 37. 3.6 12 10 2 2 38. 3.8 9 5 1 1 39. 3.8 9 5 1 3 40. 3.8 9 5 3 1 41. 3.8 9 5 3 3 42. 3.8 9 15 1 1 43. 3.8 9 15 1 3 44. 3.8 9 15 3 1 45. 3.8 9 15 3 3 46. 3.8 11 5 1 1 47. 3.8 11 5 1 3 48. 3.8 11 5 3 1 49. 3.8 11 5 3 3 50. 3.8 11 15 1 1 51. 3.8 11 15 1 3 52. 3.8 11 15 3 1 53. 3.8 11 15 3 3 54. 4.0 10 10 2 2

Results And Analysis Of Groundwater Modeling

23 FTIR spectrum of GP3. FTIR spectrum of HGPF1. FTIR spectrum of HGPF3.

24 Surface SEM micrographs of HGPF1 sample Surface SEM micrographs of MHGPF-SWCNT Surface SEM micrographs of MHGPF-Graphite sample Surface SEM micrographs of MHGPF-GO sample Surface SEM micrographs of MHGPF-PVA sample

Sample Elements of GPs (atomic wt%.) Si/Al atomic ratio Na(K)/Al atomic ratio O Al C Si K Na Ca GP3 53.73 11.78 8.90 19.78 2.87 2.95 1.04 1.67 0.25(0.24) HGP3 49.37 10.03 14.56 18.43 3.28 1.85 2.49 1.83 0.18(0.32) GPF3 50.89 13.26 6.96 24.65 2.68 1.07 0.48 1.85 0.08(0.20) HGPF1 51.20 10.59 4.29 24.10 0.44 2.95 5.74 2.27 0.27(0.04) HGPF3 51.93 11.05 10.61 20.78 3.63 2.01 - 1.88 0.18(0.32) MHGPF-CNT 52.83 8.27 13.24 17.91 3.81 0.94 1.51 2.16 0.11(0.46) MHGPF-Grap. 51.24 7.11 19.44 16.68 3.16 0.85 1.53 2.34 0.11(0.44) MHGPF-GO 47.77 8.53 15.95 19.56 4.27 1.97 1.28 2.29 0.23(0.50) MHGPF-PVA 46.08 8.45 17.20 19.71 5.22 0.81 1.82 2.33 0.09(0.61)

Sample Code S BET (m 2 /g) V total (cm 3 /g) PD Mean (nm) Langmuir (m 2 /g) V micro (cm 3 /g) V meso (cm 3 /g) D Pore (nm) GP3 30.976 0.2214 28.593 37.832 0.2240 7.99 HGP3 24.735 0.2317 37.464 25.511 0.2339 1.21 GPF 53.133 0.2609 19.642 69.963 0.2622 7.99 HGPF1 43.214 0.1893 17.526 55.046 0.1970 4.61 HGPF3 43.677 0.3654 33.459 54.959 0.3688 7.99 CNT 46.766 0.1844 15.773 57.568 0.1892 4.61 Graphite 45.167 0.2321 20.557 59.289 0.2356 9.23 GO 31.352 0.1769 22.570 43.863 0.1815 10.65 PVA 41.006 0.1287 12.551 59.516 0.1359 4.61

Sample code Density (g/cm 3 ) Porosity (%) Water Absorption (%) I.S.T. (min.) F.S.T. (min.) GP3 1.6 11.2 7.16 105 205 HGP3 2.0 ~9.5 6.5 75 120

Response characteristic R 2 (%) R 2 adj. (%) R 2 pred. (%) Compressive strength 94.26 90.19 77.24 Apparent porosity 97.50 95.73 88.33 Water absorption 97.04 94.94 87.98 Total porosity 95.80 92.82 81.77 Bulk density 94.37 90.37 72.42 True density 96.85 94.62 86.31 R 2 , R 2 adj. , and R 2 pred. test for responses full quadratic regression model of HGPF2 Response characteristic R 2 (%) R 2 adj. (%) R 2 pred. (%) Compressive strength 95.88 92.95 82.49 Apparent porosity 98.69 97.75 93.74 Water absorption 98.22 96.95 93.39 Total porosity 96.85 94.61 85.83 Bulk density 98.35 97.18 92.94 True density 95.69 92.64 82.37 R 2 , R 2 adj. , and R 2 pred. test for responses full quadratic regression model of HGPF3 Response characteristic R 2 (%) R 2 adj. (%) R 2 pred. (%) Compressive strength 92.61 87.36 74.22 Apparent porosity 99.48 99.11 97.46 Water absorption 93.44 88.79 77.04 Total porosity 94.76 91.04 76.38 Bulk density 97.08 95.00 85.82 True density 95.10 91.62 77.05

Optimum output HGPF-batches HGPF1 HGPF2 HGPF3 Compressive strength (MPa) 23.49 32.00 33.86 Apparent porosity (%) 81.75 87.75 83.78 Water absorption (%) 89.67 96.67 93.33 Total porosity (%) 71.74 76.11 73.33 Bulk density (g/cm 3 ) 0.27 0.24 0.23 True density (g/cm 3 ) 2.66 2.39 2.04

HGPF1-Batch Optimum input setting N W C F S 3.2 10.46 0.1 4 0.1 Responses C.S. A.P. W.A. T.P. B.D. T.D. Predicted 23.49 81.75 89.67 71.74 0.27 2.66 Experiment 23.31 81.62 89.71 71.86 0.26 2.64 Relative error (%) - 0.77 -0.16 0.04 0.17 -3.84 -0.75 HGPF2-Batch Optimum input setting N W C F S 3.2 12 8.51 3.84 4 Responses C.S. A.P. W.A. T.P. B.D. T.D. Predicted 32.00 87.75 96.67 76.11 0.24 2.39 Experiment 31.87 87.88 95.89 76.92 0.23 2.38 Relative error (%) -0.4 0.14 -0.81 1.05 -4.34 -0.42 HGPF3-Batch Optimum input setting N W C F S 3.2 11.15 0.2 0.53 2.20 Responses C.S. A.P. W.A. T.P. B.D. T.D. Predicted 33.86 83.78 93.33 73.33 0.23 2.04 Experiment 33.84 83.81 93.25 73.66 0.22 2.01 Relative error (%) -0.05 0.03 -0.08 0.44 -4.54 -1.49

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