Holdings: Modeling and simulation of montan wax extraction from brown coal

Modeling and simulation of montan wax extraction from brown coal: experimental and theoretical analysis

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Bibliographic Details
Main Author:	Wang, Yan 1986- (Author)
Format:	Thesis Book
Language:	English
Published:	2015
Subjects:	Hochschulschrift
Online Access:	Inhaltsverzeichnis Inhaltsverzeichnis
Physical Description:	XIX, 144 Seiten Illustrationen 21 cm

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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
any_adam_object	1
author	Wang, Yan 1986-
author_GND	(DE-588)1077373392
author_facet	Wang, Yan 1986-
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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
url	http://d-nb.info/1077888023/04 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
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