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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 吳嘉文 | zh_TW |
| dc.contributor.advisor | Kevin C.-W. Wu | en |
| dc.contributor.author | Siriboon Supajaruwong | zh_TW |
| dc.contributor.author | Siriboon Supajaruwong | en |
| dc.date.accessioned | 2024-11-28T16:15:26Z | - |
| dc.date.available | 2024-11-29 | - |
| dc.date.copyright | 2024-11-28 | - |
| dc.date.issued | 2024 | - |
| dc.date.submitted | 2024-10-16 | - |
| dc.identifier.citation | Adibfar, M. , Kaghazchi, T. , Asasian, N. , & Soleimani, M. ( 2 0 1 4 ) . Conversion of Poly(Ethylene Terephthalate) Waste into Activated Carbon: Chemical Activation and Characterization. Chemical Engineering & Technology, 3 7 ( 6 ) , 9 7 9 - 9 8 6 . https://doi.org/https://doi.org/10.1002/ceat.201200719
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Adsorption Properties of Activated Carbons Prepared from Recycled PET in the Removal of Organic Pollutants from Aqueous Solutions. Adsorption Science & Technology, 28(8-9), 807-821. https://doi.org/10.1260/0263-6174.28.8-9.807 Cao, Y., Yang, L., Liu, F., & Yu, Q. (2024). Adsorption experiments and mechanisms of methylene blue on activated carbon from garden waste via deep eutectic solvents coupling KOH activation. Biomass and Bioenergy, 1 8 2 , 1 0 7 0 7 4 . https://doi.org/https://doi.org/10.1016/j.biombioe.2024.107074 Castro, C. S. d. , Viau, L. N., Andrade, J. T. , Mendonça, T. A. P. , & Gonçalves, M. (2 0 1 8 ). Mesoporous activated carbon from polyethyleneterephthalate (PET) waste: pollutant adsorption in aqueous solution [10.1039/C8NJ02715C]. New Journal of Chemistry, 42(17), 14612-14619. https://doi.org/10.1039/C8NJ02715C Chen, H. , Shan, R. , Zhao, F. , Gu, J. , Zhang, Y. , Yuan, H. , & Chen, Y. ( 2 0 2 3 ) . A review on the NOx precursors release during biomass pyrolysis. 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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/96220 | - |
| dc.description.abstract | 聚氨酯聚合廢料（Polyurethane Poly Waste），一種被高度關注的廢棄物，主要原因為此廢棄物可以藉由熱裂解或其他熱化學回收與處理的方式得到富含碳的固體產物，具有相當大的潛力開發有價值的材料。本研究使用富含碳的固體產物製備活性碳，並利用此活性碳分別應用於吸附廢水中的亞甲基藍，以及催化果糖脫水生成5-羥甲基糠醛（5-hydroxymethylfurfural, 5-HMF）。本研究所使用的活性碳利用兩種製備方式，產出不同特性的活性碳，分別是兩步熱解後活化的PA-800-2 和一步直接活化A-800-2。在吸附亞甲基藍的應用中，A-800-2 的吸附能力與PA-800-2 相比之下，因高比表面積有高吸附量的相互關係，前者有較高的比表面積2860 m²/g 而後者僅1406 m²/g ，吸附量的結果分別對應到437 mg/g 與373 mg/g 的吸附量。在催化反應的應用之中，A-800-2 會先將表面的羥基透過矽烷類化合物修飾，再以烷基磺內酯化合物進一步修飾，讓表面產生磺酸官能基而形成一種酸性的固體磺酸化催化劑，此催化劑進行果糖的脫水反應表現良好的催化活性，果糖在水溶液中脫水後生成5-羥甲基糠醛。綜合前述兩種應用，本研究所製備出的活性碳，發展出合適且永續的方式應用聚氨酯聚合廢料，有效地提升聚氨酯聚合廢料的價值。 | zh_TW |
| dc.description.abstract | Polyurethane (PU) waste, a significant polymer waste of environmental concern, can be valorized through thermochemical recycling processes like pyrolysis. The resulting solid residue, rich in carbon, presents an opportunity for the development of valuable materials. This study investigates the potential of this residue to prepare activated carbon for two applications: adsorption of methylene blue from wastewater and catalysis of fructose dehydration to 5- hydroxymethylfurfural ( 5- HMF) . Activated carbons were prepared using two methods: two- step pyrolysis followed by activation (PA-800-2) and one- step direct activation (A-800-2) . The adsorption capacities of A-800-2 and PA-800-2 for methylene blue were evaluated. A-800-2 exhibited a higher adsorption capacity (437 mg/g) compared to PA-800-2 (373 mg/g), likely due to its larger surface area (2860 m²/g) compared to PA-800-2 (1406 m²/g). Additionally, A-800-2 was further modified to prepare a sulfonated solid acid catalyst by interaction of alkyl sultone and silane onto hydroxyl groups of the material. This catalyst exhibited catalytic activity in the fructose dehydration reaction to 5- hydroxymethylfurfural ( 5-HMF) in aqueous solution. This sustainable approach offers a promising pathway for the valorization of PUPW. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2024-11-28T16:15:26Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2024-11-28T16:15:26Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | Table of content
Acknowledgement ............................................................................................................. I 摘要 ..................................................................................................................................II Abstarct........................................................................................................................... III List of figures ................................................................................................................. VI List of tables .................................................................................................................VIII CHAPTER I...................................................................................................................... 1 1.1 Motivation............................................................................................................... 1 1.2 Objective................................................................................................................. 4 1.3 Working Scope ....................................................................................................... 5 1.4 Expected Benefits ................................................................................................... 6 CHAPTER II .................................................................................................................. 10 2.1 Solid residue from pyrolysis of polyurethane....................................................... 10 2.2 Adsorption of organic dye .................................................................................... 10 2.3 Biomass................................................................................................................. 16 2.4 Using BrØnsted acids for HMF production.......................................................... 17 CHAPTER III ................................................................................................................. 30 3.1 Materials and chemicals........................................................................................ 30 3.2 Preparation of activated carbon from PUPW ....................................................... 30 3.3 Catalyst characterizations ..................................................................................... 31 3.4 Methylene blue (MB) adsorption experiment....................................................... 32 3.5 Preparation of catalyst .......................................................................................... 33 3.6 Catalyst activity test on fructose conversion ........................................................ 34 3.7 Analytical method................................................................................................. 34 CHAPTER IV................................................................................................................. 35 4.1 Characterization of activated carbon .................................................................... 35 4.2 Adsorption of methylene blue............................................................................... 46 4.3 Catalytic application ............................................................................................. 67 CHAPTER V.................................................................................................................. 74 5.1Conclusion ............................................................................................................. 74 5.2 Recomenation ....................................................................................................... 75 APPENDIX A ................................................................................................................ 77 A.1 Standard calibration curve for UV-VIS analysis of methylene blue ................... 77 A.2 Standard calibration curve for HPLC analysis of fructose ans 5-HMF............... 78 REFERENCES............................................................................................................... 81 List of figures Fig 1.1 preparation of activated carbon ............................................................................ 7 Fig 1.2 Adsorption of methylene blue .............................................................................. 8 Fig 1.3 Preparation of carbon based solid acid catalsyt and dehydration of fructose ...... 9 Fig 2.1 structure of methylene blue ................................................................................ 11 Fig 2.2 Interaction between AC and MB........................................................................ 11 Fig 2.3 a) monolayer from Langmuir isotherm and b) multilayer from Freundlich isotherm .......................................................................................................................... 16 Fig 2.4 potential application of 5-HMF.......................................................................... 17 Fig 2.5 Mechanism of fructose dehydration................................................................... 18 Fig 2.6 Possible chemical reaction pathway of KOH activation during biomass pyrolysis. ........................................................................................................................ 22 Fig 2.7 SEM of PU, pyrolyzed PU and AC................................................................... 22 Fig 2.8 N2 adsorption and desorption ............................................................................. 23 Fig 2.9 specific surface area and N2 adsorption and desorption ..................................... 23 Fig 2.10 FTIR of AC was prepared in a direct KOH activation..................................... 24 Fig 2.11 FTIR of carbon based solid acid catalyst ......................................................... 28 Fig 2.12 reaction of 1,3-propanesultone with nucleophiles............................................ 29 Fig 2.13 FTIR of sulfonated activated carbon)............................................................... 29 Fig 4.1 FTIR spectra of PUPW, P-800-1, PA-800-2, and A-800-2 ............................... 39 Fig 4.2 N2 adsorption-desorption isotherm of PA-800-2 and P-800-1 ........................... 42 Fig 4.3 Pore size distributions of PA-800-2 and A-800-2.............................................. 42 Fig 4.4 XRD of of PUPW, P-800-1, PA-800-2, and A-800-2........................................ 43 Fig 4.5 Thermal stability of PUPW, PA-800-2, and A-800-2........................................ 44 Fig 4.6 Zero-point charge of PA-800-2 and A-800-2..................................................... 45 Fig 4.7 Effect of pH on MB removal of PA-800-2 and A-800-2 ................................... 47 Fig 4.8 Kinetic model non-linear form a) PA-800-2 and b) A-800-2 ............................ 49 Fig 4.9 Kinetic model linear form a) PSO and b) PFO .................................................. 50 Fig 4.10 Intra-particle diffusion model........................................................................... 54 Fig 4.11 Isotherm non-linear form a) A-800-2 and b) PA-800-2................................... 59 Fig 4.12 Isotherm linear form a) Langmiur isotherm and n) Fruindlich isotherm......... 60 Fig 4. 13 Reusability of PA-800-2 and A-800-2 ............................................................ 64 Fig 4. 14 N2 adsorption-desorption isotherm of A-800-2 and A-800-2-AEP and A-800-2-AEP-PS ....................................................................................................................... 70 Fig 4.15 Fructose conversion (%) from 1 to 3 h............................................................. 72 Fig 4.16 5-HMF yield (%) from 1 to 3 h........................................................................ 72 Fig 4.17 5-HMF selectivity (%) from 1 to 3 h ............................................................... 73 List of tables Table 2.1 AC derived from pytolysis following KOH activation for adsorption of MB 12 Table 2. 2 AC derived from direct KOH activation for adsorption of MB.................... 13 Table 2.3 5-HMF derived from fructose ........................................................................ 19 Table 2. 4 AC derived from pytolysis following KOH activation ................................. 26 Table 2.5 AC derived from direct KOH activation ........................................................ 27 Table 4.1 Element analysis of PUPW, P-800-1, PA-800-2, and A-800-2 ..................... 37 Table 4.2 Specific surface area and total pore volume................................................... 41 Table 4.3 Kinetic model non-linear form ....................................................................... 51 Table 4.4 Kinetic model linear form .............................................................................. 52 Table 4.5 Intra-particle diffusion.................................................................................... 55 Table 4.6 Isotherm non-linear form................................................................................ 61 Table 4.7 Isotherm linear form....................................................................................... 62 Table 4.8 XPS data for PA-800-2 and A-800-2, before adsorption of MB, after adsorption of MB, and desorption of MB ...................................................................... 65 Table 4.9 Element analysis for PA-800-2 and A-800-2, before adsorption of MB, after adsorption of MB, and desorption of MB ...................................................................... 66 Table 4. 10 Element analysis of activated carbon and carbon based solid catalyst ....... 69 | - |
| dc.language.iso | en | - |
| dc.subject | 5-羥甲基糠醛 | zh_TW |
| dc.subject | 活性碳 | zh_TW |
| dc.subject | 亞甲基藍 | zh_TW |
| dc.subject | 吸附 | zh_TW |
| dc.subject | Activated carbon | en |
| dc.subject | 5-hydroxymethylfurfural | en |
| dc.subject | adsorption | en |
| dc.subject | methylene blue | en |
| dc.title | 聚氨酯廢料製備活性碳之酸性固體催化劑應用於甲基藍吸附以及果糖脫水 | zh_TW |
| dc.title | Preparation of activated carbon and solid acid catalyst from polyurethane waste for adsorption of methylene blue and fructose dehydration in aqueous solution | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 113-1 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.coadvisor | Artiwan Shotipruk | zh_TW |
| dc.contributor.coadvisor | Artiwan Shotipruk | en |
| dc.contributor.oralexamcommittee | Pimporn Ponpesh;Muenduen Phisalaphong;Babasaheb Matsagar | zh_TW |
| dc.contributor.oralexamcommittee | Pimporn Ponpesh;Muenduen Phisalaphong;Babasaheb Matsagar | en |
| dc.subject.keyword | 活性碳,5-羥甲基糠醛,吸附,亞甲基藍, | zh_TW |
| dc.subject.keyword | Activated carbon,5-hydroxymethylfurfural,adsorption,methylene blue, | en |
| dc.relation.page | 92 | - |
| dc.identifier.doi | 10.6342/NTU202404459 | - |
| dc.rights.note | 同意授權(限校園內公開) | - |
| dc.date.accepted | 2024-10-16 | - |
| dc.contributor.author-college | 工學院 | - |
| dc.contributor.author-dept | 化學工程學系 | - |
| dc.date.embargo-lift | 2029-09-15 | - |
| 顯示於系所單位： | 化學工程學系 | |
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