Modeling and simulation of montan wax extraction from brown coal: experimental and theoretical analysis
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2015
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis Inhaltsverzeichnis |
| Beschreibung: | XIX, 144 Seiten Illustrationen 21 cm |
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| 245 | 1 | 0 | |a Modeling and simulation of montan wax extraction from brown coal |b experimental and theoretical analysis |c submitted by Yan Wang |
| 264 | 1 | |c 2015 | |
| 300 | |a XIX, 144 Seiten |b Illustrationen |c 21 cm | ||
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| 502 | |b DissertationDNB_SRU |c Freiberg, Technische Universität Bergakademie |d 2015 | ||
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Datensatz im Suchindex
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| adam_text | TABLE OF CONTENTS
ACKNOWLEDGEMENTS I
ABSTRACT II
ZUSAMMENFASSUNG IV
TABLE OF CONTENTS VI
LIST OF FIGURES IX
LIST OF TABLES XIII
LIST OF SYMBOLS XV
1. INTRODUCTION 1
1.1 MOTIVATION 2
12 THESIS OUTLINE 3
2. THEORETICAL BACKGROUND 7
2 1. MONTAN WAX EXTRACTION 7
2.1 1. DESCRIPTION OF THE
PROCESS OF MONTAN
WAX EXTRACTION 8
2.1.2. INFLUENTIAL PARAMETERS OF BROWN
COAL EXTRACTION 13
2.2. SOLID-LIQUID EXTRACTION OVERVIEW 16
2.2.1 PHYSICAL PROCESS STEPS OFSOHD-HQUID EXTRACTION
PROCESS 17
2.2.2. MATHEMATICAL MODELS USED IN
SOLID-LIQUID EXTRACTION 18
2.3. CHAPTER CONCLUSION 30
3. EXPERIMENT APPARATUS FOR MONTAN WAX EXTRACTION 31
3.1. GRAEFE EXTRACTION AS BASIC EXPERIMENT 31
3.2. PERCOLATION-COLUMN EXTRACTION 33
3.3 STIRRED TANK EXTRACTION 35
4. ESTABLISHMENT, SIMPLIFICATION, DEVELOPMENT AND NUMERICAL SOLUTIONS
FOR
MATHEMATICAL MODEL OF MONTAN WAX EXTRACTION 38
4.1. MODEL ESTABLISHMENT 38
4.1.1. MASS TRANSFER OF SOLUTE
IN THE
SOLID PHASE 39
4.1.2. MASS TRANSFER OF SOLUTE
M THE
BUIK
FLUID PHASE 40
4 13 EQUILIBRIUM RELATIONSHIP 42
4 2 SIMPLIFIED AND DIMENSIONLESS MODELS WTTH AN AVERAGE CONCENTRATION IN
THE SOUD PHASE
43
4.2.1. SIMPLIFIED MODEL FOR THE FIXED BED EXTRACTOR 43
VI
HTTP://D-NB.INFO/1077888023
MODELING AND SIMULATION OF MONTAN WAX EXTRACTION FROM BROWN COAL
4.2.2. MODELS DIMENSIONLESS 45
4 3. NON-DIMENSIONLESS MODELS OF MONTAN WAX EXTRACTION 46
4.3.1. FIXED BED EXTRACTOR 47
4.3.2. STIRRED TANK EXTRACTOR 49
4 4 NUMERICAL SOLUTIONS FOR MATHEMATICAL MODELS 51
4.4.1. MATHEMATICAL MODELS 51
4.4.2 DISCRETIZATION
METHODS 52
4 4.2 1. FINITE DIFFERENCE METHODS 52
4.4.2.2. FINITE VOLUME METHODS ... . 57
4 4 3. CALCULATION OF THE
YIELD OF MONTAN
WAX 62
4.5. CHAPTER CONCLUSION 64
5. RESULTS, COMPARISON AND DEVELOPMENT OF MODELS OF MONTAN WAX
EXTRACTION FROM
BROWN COAL 65
5 1. RESULTS OF SIMPLIFIED AND DIMENSIONLESS MODELS 65
511. OVERALL SIMULATION AND
PREDICTION PROCESS 65
5 12. EXPERIMENTAL DATA 68
5.1 3. SIMULATION, VERIFICATION
AND COMPARISON OFGRAEFE
EXTRACTION 69
5 13 1 PARAMETER IDENTIFICATION
WITH OPTIMIZATION METHOD 70
5 13 2 SIMULATION AT
GRAEFE EXTRACTION 71
5 133 SENSITIVITY ANALYSIS OF
PARAMETERS .74
5.1.4. PREDICTION IN PERCOLATION-COLUMN EXTRACTION 79
5.2. RESULTS OF NON-DIMENSIONLESS MODELS WITH EFFECTIVE DIFFUSION
COEFFICIENT 82
52 1 EXPERIMENTAL DATA 82
5 2 2. PARAMETERS IDENTIFICATION
WITH EMPIRICAL EQUATIONS 85
5 2 2 1 EVALUATION DAB. 86
5 2 2 2 EVALUATION OF KF
. ..87
5.2.2.3. EVALUATION OF DL 92
5.2.2.4 DETERMINATION OF DE 93
5.2.3. SIMULATION
AT GRAEFE
EXTRACTION
AND PERDITION
AT SCALE-UP
EXTRACTION 96
5 2 3 1 GRAEFE A -
PERCOLATION COLUMN
. . . . . 98
5 2 3 2 GRAEFE B-STIRRED VESSEL
-
1 LITER
. ... 100
5 2 3 3. GRAEFE C-PERCOLATION COLUMN, MEDIUM-PERCOLATION COLUMN
LARGE-STIRRED TANK:
50 LITERS
. 102
5.3. DEVELOPMENT OF MONTAN WAX E)CTRACTION MODEL: IMPACT OF PARTICLE
SIZE
DISTRIBUTIONS 106
5.3.1. GEOMETRIC MODELING OF2-D SIMULATION 108
5.3.2 COMSOL SIMULATION PROCESS 113
5 3.21 LAMINAR FLOW MODEL . 114
5 3 2 2 MASS TRANSPORT OF DILUTED
SPECIES MODEL . 115
5.3.3 COMPARISON OF SIMULATIONS OF2-D
AND 3-D
FOR VELOCITY FIELD 116
5 3.4 COMPARISON OF SIMULATIONS
AND EXPERIMENT FOR MONTAN
WAX EXTRACTION 121
VII
MODELING AND SIMULATION OF MONTAN WAX EXTRACTION FROM BROWN COAL
5.3.4 1 EXPERIMENTAL DATA 121
5.3.4 2 RESULTS AND
DISCUSSION 126
5.4. CHAPTER CONCLUSION 128
6. CONCLUSIONS AND OUTLOOK 130
APPENDIX A 133
REFERENCE: 134
VIII
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| any_adam_object | 1 |
| author | Wang, Yan 1986- |
| author_GND | (DE-588)1077373392 |
| author_facet | Wang, Yan 1986- |
| author_role | aut |
| author_sort | Wang, Yan 1986- |
| author_variant | y w yw |
| building | Verbundindex |
| bvnumber | BV043450301 |
| ctrlnum | (OCoLC)929989420 (DE-599)DNB1077888023 |
| dewey-full | 662.625 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 662 - Explosives, fuels & related products |
| dewey-raw | 662.625 |
| dewey-search | 662.625 |
| dewey-sort | 3662.625 |
| dewey-tens | 660 - Chemical engineering |
| discipline | Chemie / Pharmazie |
| format | Thesis Book |
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| spelling | Wang, Yan 1986- Verfasser (DE-588)1077373392 aut Modeling and simulation of montan wax extraction from brown coal experimental and theoretical analysis submitted by Yan Wang 2015 XIX, 144 Seiten Illustrationen 21 cm txt rdacontent n rdamedia nc rdacarrier DissertationDNB_SRU Freiberg, Technische Universität Bergakademie 2015 (DE-588)4113937-9 Hochschulschrift gnd-content application/pdf http://d-nb.info/1077888023/04 Inhaltsverzeichnis DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028867726&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Wang, Yan 1986- Modeling and simulation of montan wax extraction from brown coal experimental and theoretical analysis |
| subject_GND | (DE-588)4113937-9 |
| title | Modeling and simulation of montan wax extraction from brown coal experimental and theoretical analysis |
| title_auth | Modeling and simulation of montan wax extraction from brown coal experimental and theoretical analysis |
| title_exact_search | Modeling and simulation of montan wax extraction from brown coal experimental and theoretical analysis |
| title_full | Modeling and simulation of montan wax extraction from brown coal experimental and theoretical analysis submitted by Yan Wang |
| title_fullStr | Modeling and simulation of montan wax extraction from brown coal experimental and theoretical analysis submitted by Yan Wang |
| title_full_unstemmed | Modeling and simulation of montan wax extraction from brown coal experimental and theoretical analysis submitted by Yan Wang |
| title_short | Modeling and simulation of montan wax extraction from brown coal |
| title_sort | modeling and simulation of montan wax extraction from brown coal experimental and theoretical analysis |
| title_sub | experimental and theoretical analysis |
| topic_facet | Hochschulschrift |
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