Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Freiberg
2017
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XV, 183 Seiten Illustrationen, Diagramme |
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| 245 | 1 | 0 | |a Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China |c submitted by M. Eng. Liu Pu |
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Datensatz im Suchindex
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| adam_text | CONTENTS
DECLARATION...........................................................................................II
ACKNOWLEDGEMENTS............................................................................I
LL
ABSTRACT...............................................................................................
IV
LIST OF
FIGURES....................................................................................
IX
LIST OF
TABLES...................................................................................
XIV
LIST OF
NOTATIONS................................................................................XV
CHAPTER 1
INTRODUCTION........................................................................1
1.1 GENERAL
SITUATION..............................................................................................................................
1
1.1.1 MINING INDUSTRY IN
CHINA[1]..................................................................................................
1
1.1.2 COAL MINING INDUSTRY IN
CHINA............................................................................................1
1.1.3 WATER RESOURCES IN
CHINA[3][4]..............................................................................................
2
1.1.4 DISASTERS AND WATER DISASTERS IN COAL
MINING....................................................................
4
1.1.5 MINE CLOSURE AND WATER ENVIRONMENT PROBLEMS IN CHINA161
.............................................
5
1.2 SIGNIFICANCE AND
CHALLENGES...........................................................................................................
6
1.3 MAJOR SCOPES AND
TASKS...................................................................................................................
7
CHAPTER 2 STATE OF ART IN THE FIELD OF RESEARCH
.................................
9
2.1 MINE WATER STUDIES RELATED TO
CLOSURE............................................................................................
9
2.1.1 WORLDWIDE MINE CLOSURE WATER
STUDIES...............................................................................9
2.1.2 MINE CLOSURE WATER STUDIES IN
CHINA................................................................................
11
2.2 GROUNDWATER
MODELING..................................................................................................................13
2.3 HYDROGEOCHEMISTRY
RESEARCHES.....................................................................................................
15
2.3.1 GENERAL HYDROGEOCHEMICAL
RESEARCHES.............................................................................15
2.3.2 MINING RELATED HYDROGEOCHEMICAL
RESEARCHES..................................................................16
2.3.3 HYDROGEOCHEMICAL MODELING
PROGRAMS............................................................................
16
2.4 SUMMARY OF THE CURRENT RESEARCH STATUS
.......................................................................................
17
CHAPTER 3 CHARACTERISTICS OF THE STUDY AREA
...................................
19
3.1 HYDROGEOLOGICAL
BACKGROUND.......................................................................................................
19
3.2 PROFILES OF THE STUDY
AREA..............................................................................................................
20
3.2.1
INTRODUCTION.......................................................................................................................
20
3.2.2
HYDROGEOLOGY....................................................................................................................
21
CHAPTER 4
METHODOLOGIES...................................................................25
4.1 OWN METHODOLOGY-GENERAL TECHNICAL
ROUTES...............................................................................25
4.2 INVESTIGATIONS AND DATA
COLLECTIONS...............................................................................................26
4.2.1 LITERATURE, REPORTS AND DATASETS COLLECTIONS
.....................................................................
26
4.2.2 WATER SAMPLING METHODS FOR
HYDROGEOCHEMISTRY...........................................................26
4.3 ON-SITE AND LABORATORY MEASUREMENTS
.........................................................................................
26
4.3.1 ON-SITE
MEASUREMENTS.......................................................................................................
26
4.3.2 LABORATORY
MEASUREMENTS.................................................................................................27
4.4 NUMERICAL METHODS IN GROUNDWATER FLOW MODELING
..................................................................
30
4.4.1 GENERAL
METHODS.................................................................................................................30
4.4.2 SELECTED
CODES....................................................................................................................31
4.5 HYDROGEOCHEMICAL ANALYSIS AND
MODELING..................................................................................
32
4.5.1 HYDROGEOCHEMISTRY
BASICS.................................................................................................32
4.5.2 HYDROGEOCHEMICAL ANALYSIS BY SCATTER
PLOTS.....................................................................34
4.5.3 STATISTICAL ANALYSIS
APPROACHES..........................................................................................34
4.5.4 GEOCHEMICAL MODELING-
PHREEQC................................................................................
34
4.6 TRANSPORT
MODELLING......................................................................................................................
35
4.6.1 FEM- FEFLOW
.................................................................................................................35
4.6.2 PICHEM - FELLOW PLUG-IN PROGRAM COUPLED WITH
PHREEQC[,60].................................35
CHAPTER 5 HYDROGEOCHEMICAL SYSTEM CHARACTERIZATION
.................
37
5.1 CHARACTERIZATION OF VARIOUS AQUIFER
MATERIALS..............................................................................
37
5.1.1 PREVIOUS INVESTIGATION -ORDOVICIAN AND CARBONIFEROUS LIMESTONE
AQUIFERS
..................
37
5.1.2 PREVIOUS INVESTIGATION -PERMIAN LOWER SHIHEZI FORMATION [166]
....................................
38
5.1.3 PREVIOUS INVESTIGATION -PERMIAN
SANDSTONE......................................................................38
5.1.4. XRF TESTS RESULTS AND MINERALS COMPOSITIONS ANALYSIS
.................................................
38
5.2 ANALYSIS OF HYDROGEOCHEMICAL PROCESSES ALONG THE FLOW PATH IN SINGLE
AQUIFERS -SAMPLES
GROUPS FROM 1950S-1990S IN PZ COAL
MINE.......................................................................................
39
5.2.1 AQUIFER 0
............................................................................................................................
40
5.2.2 AQUIFER
C2-L4....................................................................................................................50
5.2.3 AQUIFER 7 8
..........................................................................................................................
53
5.2.4 AQUIFER Q
............................................................................................................................
57
5.3 ANALYSIS OF HYDROGEOCHEMICAL VARIATIONS -SAMPLES 2013/2014
...............................................
57
5.3.1 OWN ON-SITE INVESTIGATIONS-SAMPLING TRIPS TO CHINA IN 2013 AND
2014
........................
58
5.3.2 CHEMICAL WATER BEHAVIOR- OWN LABORATORY MEASUREMENTS
.............................................
58
5.3.3 VARIATIONS ALONG GROUNDWATER FLOW DIRECTION IN AQUIFER 78
SANDSTONE
.........................
59
5.3.4 DEPTHS
VARIATIONS................................................................................................................63
5.3.5 TIME
VARIATIONS...................................................................................................................64
5.4 EVOLUTION OF THE GENERAL
HYDROGEOCHEMISTRY...............................................................................
65
5.4.1 MINING RELATED TIME
PERIODS.............................................................................................
65
5.4.2 TIME AND DEPTHS DEPENDED VARIATIONS
............................................................................
66
5.5 HYDROGEOCHEMICAL PATHS OF INTERACTED MULTI-LAYER GROUNDWATER SYSTEM
USING POST CLOSURE
SAMPLES IN
2013/2014........................................................................................................................68
5.5.1 MULTIVARIATE STATISTICAL
ANALYSIS........................................................................................
68
5.5.2 EVIDENCES OF HYDROGEOCHEMICAL PROCESSES FROM STATISTICAL ANALYSIS
............................
72
5.5.3 INVERSE MODELING
DEDUCTION.............................................................................................
77
5.5.4 SUMMARY OF THE MAJOR HYDROGEOCHEMICAL
PATHS............................................................80
CHAPTER 6 GROUNDWATER FLOW MODELING
..........................................
83
6.1 HYDROGEOLOGICAL PARAMETERS-LITERATURE REVIEWS
..........................................................................
83
6.2 HYDROGEOLOGICAL PARAMETERS- OWN LABORATORY
MEASUREMENTS....................................................83
6.3 CONCEPTUAL FLOW
MODEL.................................................................................................................
84
6.3.1 STRUCTURE OF AQUIFERS AND
AQUICLUDES................................................................................84
6.3.2 FRACTURES AND FAULTS-DISCRETE
FEATURES...............................................................................85
6.3.3 FLOW
PATTERNS.....................................................................................................................
86
6.3.4 BOUNDARY
CONDITIONS..........................................................................................................86
6.3.5 SOURCE AND SINK
TERMS........................................................................................................87
6.3.6 INITIAL
CONDITIONS................................................................................................................
87
6.3.7 CONTROLLING
EQUATIONS........................................................................................................88
6.4 PARAMETERS SENSITIVITY
ANALYSIS.....................................................................................................88
6.4.1 PARAMETER SENSITIVITY ANALYSIS UNDER *NATURAL* CONDITIONS (WITHOUT
MINING AND MINED
LAYER).............................................................................................................................................88
6.4.2 PARAMETERS SENSITIVITY ANALYSIS UNDER MINING INVOLVED CONDITIONS
(MINING EVOLVED).. 90
6.5 DEFINITION OF PARAMETERS FROM CALIBRATED M
ODEL.......................................................................
98
6.6 POST CLOSURE FLOW MODELING AND PREDICTION
.............................................................................
101
6.6.1 POST-MINING (POST CLOSURE) FLOW FIELD VARIATIONS AND PREDICTIONS
...............................
101
6.6.2 FLOW FIELD VARIATIONS AND RATE BUDGETS IN LONG PERIOD PREDICTION
...............................
106
6.6.3 IMPACTS ON THE SURROUNDED ACTIVE COAL
MINES...............................................................109
6.6.4 SUMMARY AND DISCUSSION OF THE
SECTION........................................................................
111
CHAPTER 7 HYDROGEOCHEMCIAL AND TRANSPORT MODELING
...............
113
7.1 TRANSPORT MODELING
PREPARATIONS................................................................................................113
7.1.1 CONCEPTUAL
MODEL............................................................................................................
113
7.1.2 CONTROLLING
EQUATIONS......................................................................................................114
7.1.3 TRANSPORT PARAMETER
DETERMINATIONS...............................................................................
116
7.1.4 GEOCHEMICAL PARAMETER
DETERMINATIONS.........................................................................120
7.2 SENSITIVITY ANALYSIS OF MAJOR TRANSPORT
PARAMETERS....................................................................120
7.3 PRE CLOSURE HYDROGEOCHEMICAL EVOLUTION REPRESENTATION
..........................................................
124
7.3.1 ASSIGNED SOLUTIONS AND POTENTIAL
REACTIONS.................................................................124
7.3.2 MAJOR IONS TEMPORAL
VARIATIONS........................................................................................124
7.3.3 MAJOR IONS AND PARAMETERS SPATIAL
DISTRIBUTIONS...........................................................127
7.4 POST CLOSURE PREDICTIONS OF HYDROGEOCHEMISTRY AND
POLLUTION.............................................131
7.4.1 SCENARIO 1- POST CLOSURE GENERAL HYDROGEOCHEMICAL
EVOLUTION...................................131
7.4.2 SCENARIO 2- ABANDONED MINED STOPE MIXED WATER *ZONEF* AS NON-POINT
POLLUTANT... 137
7.4.3 SCENARIO 3- PYRITE AS ADDITIONAL REACTANTS/AMD AS POLLUTION SOURCE
.........................
143
7.4.4 SUMMARY AND DISCUSSION OF THE
SCENARIOS......................................................................
148
CHAPTER 8 DISCUSSIONS AND CONCLUSIONS
.........................................
151
8.1
DISCUSSIONS...................................................................................................................................
151
8.2
CONCLUSIONS..................................................................................................................................
152
8.3 FUTURE W
ORK..................................................................................................................................156
REFERENCES..........................................................................................
159
APPENDIXES........................................................................................
171
A MEASURED AND PHREEQC CALCULATED RESULTS OF WATER SAMPLES CHEMICAL
COMPOSITIONS FROM
DATASETS
1950S-1990S..........................................................................................................................171
B ORIGINAL ICP/OES RESULTS OF WATER SAMPLES COLLECTED IN
2013/2014..........................................174
C XRF ANALYSIS
RESULTS......................................................................................................................
175
|
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| id | DE-604.BV044303462 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T07:49:13Z |
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| language | English |
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| owner_facet | DE-83 |
| physical | XV, 183 Seiten Illustrationen, Diagramme |
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| spelling | Liu, Pu 1987- Verfasser (DE-588)1131079655 aut Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China submitted by M. Eng. Liu Pu Freiberg 2017 XV, 183 Seiten Illustrationen, Diagramme txt rdacontent n rdamedia nc rdacarrier Dissertation Technische Universität Bergakademie Freiberg 2017 Kohlenbergbau (DE-588)4031646-4 gnd rswk-swf Grubenwasser (DE-588)4365352-2 gnd rswk-swf Kohlenbergwerk (DE-588)4164505-4 gnd rswk-swf Hydrogeochemie (DE-588)4225478-4 gnd rswk-swf Fluten (DE-588)4154922-3 gnd rswk-swf China Nord (DE-588)4042496-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content China Nord (DE-588)4042496-0 g Kohlenbergbau (DE-588)4031646-4 s Kohlenbergwerk (DE-588)4164505-4 s Fluten (DE-588)4154922-3 s Grubenwasser (DE-588)4365352-2 s Hydrogeochemie (DE-588)4225478-4 s DE-604 Freiberg uvp DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029707286&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Liu, Pu 1987- Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China Kohlenbergbau (DE-588)4031646-4 gnd Grubenwasser (DE-588)4365352-2 gnd Kohlenbergwerk (DE-588)4164505-4 gnd Hydrogeochemie (DE-588)4225478-4 gnd Fluten (DE-588)4154922-3 gnd |
| subject_GND | (DE-588)4031646-4 (DE-588)4365352-2 (DE-588)4164505-4 (DE-588)4225478-4 (DE-588)4154922-3 (DE-588)4042496-0 (DE-588)4113937-9 |
| title | Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China |
| title_auth | Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China |
| title_exact_search | Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China |
| title_full | Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China submitted by M. Eng. Liu Pu |
| title_fullStr | Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China submitted by M. Eng. Liu Pu |
| title_full_unstemmed | Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China submitted by M. Eng. Liu Pu |
| title_short | Hydro-geochemical evolution of multi-layer groundwater system in a closed coal mining area, North China |
| title_sort | hydro geochemical evolution of multi layer groundwater system in a closed coal mining area north china |
| topic | Kohlenbergbau (DE-588)4031646-4 gnd Grubenwasser (DE-588)4365352-2 gnd Kohlenbergwerk (DE-588)4164505-4 gnd Hydrogeochemie (DE-588)4225478-4 gnd Fluten (DE-588)4154922-3 gnd |
| topic_facet | Kohlenbergbau Grubenwasser Kohlenbergwerk Hydrogeochemie Fluten China Nord Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029707286&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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