Table des matières
CHAPITRE 1 INTRODUCTION
1.1 Problématique du drainage minier acide
1.2 Traitement du drainage minier acide
1.3 L Sites miniers typiques québécois générant du drainage minier acide
1.4 Synthèse de travaux récents sur les systèmes passifs
1.4.1 Traitement de DMA fortement chargés en fer par biofiltres sulfato-réducteurs
1.4.2 Traitement de DMA fortement chargés en fer par drains calcaires
1.5 Traitement du DMA par des filières de traitements passifs
1.6 Limites et défis actuels du traitement de drainages miniers acides fortement contaminés
1.7 Objectifs et hypothèses
1.8 Contenu de la thèse
1.9 Originalité et principales contributions de la thèse
CHAPITRE 2 TREATMENT OF ACID MINE DRAINAGE WITH HIGH IRON CONCENTRATION USING SULPHATE REDUCING PASSIVE BIOREACTOR: 1. MIXTURES CHARACTERIZATION, IRON SORPTION CAPA CITY AND BATCH TESTS ASSAYS
Auteurs
Abstract
2.1 Introduction
2.2 Materials and Methods
2.2.1 Synthetic acid mine drainage quality
2.2.2 Physical, mineralogical, bacterial and chemical characterization of solids
2.2.3 Analytical method for water quality evaluation and geochemical modeling
2.2.4 Batch experiments
2.2.5 Sorption experiment description
2.3 Results and interpretations
2.3.1 Initial materials and mixtures characteristics
2.3.2 Batch experiment results
2.3.3 Sorption experiment results
2.4 Conclusions
Acknowledgements
References
CHAPITRE 3 TREATMENT OF ACID MINE DRAINAGE WITH HIGH IRON CONCENTRATION USING SULPHATE REDUCING PASSIV E BIOREACTOR: II. LONG-TERM COLUMN EXPERIMENTS
Auteurs
Abstract
3.1 Introduction
3.2 Materials characterization and methods
3.2.1 Mixtures characterizations
3.2.2 Synthetic acid mine drainage
3.2.3 Continuous flow columns experiments
3.2.4 Hydraulic parameters evaluation
3.2.5 Bacterial enumeration method
3.2.6 Analytical method for water quality evaluation
3.2.7 Columns post-testing characterization
3.3 Results and interpretations
3.3.1 Period 1 (between 0 and 55 days), 5 days HRT and 4000 mg/L ofiron
3.3.2 Period 2 (between 55 and 173 days), 5 days HRT and 1000 mg/L of iron
3.3.3 Period 3 (between 173 and 229 days), 7 days HR T and 1000 mg/L of iron
3.3.4 Period 4 (between 229 and 291 days), 7 days HRT and 4000 mg/L of iron
3.3.5 Period 5 (after 291 days), 5 days HRT and 4000 mg/L of iron
3.3.6 Aeration of SRPB effluents
3.3.7 Ivlicrobial enumeration
3.3.8 Saturated hydraulic conductivity evolution
3.3.9 Characterization of the SRPB sampled from columns post-testing
3.3.10 JCHESS modelling
3.4 Discussion
3.4.1 SRPB performances
3.4.2 Hydraulic residence time evaluation
3.5 Conclusions
Acknowledgements
References
CHAPITRE 4 CAPACITY OF WOOD ASH FILTERS TO REMOVE IRON FROM ACID MINE DRAINAGE: ASSESSMENT OF RETENTION MECHANISM
Auteurs
Abstract
4.1 Introduction
4.2 Materials and methods
4.2.1 Water quality ofthe columns influent
4.2.2 Materials
4.2.3 Physical, mineralogical and chemical characterisation of solids
4.2.4 Sorption experiments description
4.2.5 Column experiment description
4.2.6 Analytical method for water quality evaluation
4.2.7 Saturated hydraulic conductivity evaluation
4.2.8 Columns post-testing characterisation
4.3 Characterization results
4.3.1 Materials characterisation
4.3.2 Sorption batch test results and iron retention
4.4 Column treatment performances
4.4.1 Treatment with wood ashes after a sulphate reducing biofilter
4.4.2 Metal retention mechanisms .
4.5 Conclusion
Acknowledgements
References
CHAPITRE 5 LABORATORY MULTI-STEP TREATMENT OF ACID MINE DRAINAGE WITH HIGH IRON CONCENTRATION: COLUMN AND MEDIUM SIZE REACTOR TESTS
Auteurs
Abstract
5.1 Introduction
5.2 Materials and methods
5.2.1 Synthetic acid mine drainage quality
5.2.2 Column experiments description
5.2.3 Medium size test experiment description
5.2.4 Chemical and biological method for water quality evaluation
5.2.5 Columns and medium size test initial and post-testing characterization
5.3 Results and interpretation
5.3.1 Columns treatment results
5.3.2 Medium size treatment test results
5.3.3 Hydraulic investigation of medium size test reactor
5.3.4 Column and medium size test post-testing characterization
5.3.5 Comparison between columns and medium size test
5.4 Conclusion
Acknowledgements
References
CHAPITRE 6 APPLICATION DES TRAVAUX DE RECHERCHE AU CAS DU SITE LORRAINE
6.1 Mise en contexte
6.2 Conception du système de traitement
6.2.1 Dimensionnement de la filière de traitement
6.2.2 Dimensionnement du drain d’alimentation du système de traitement
6.2.3 Quantité et propriétés de matériaux utilisés dans la filière de traitement
6.2.4 Devenir de la dolomite remplissant le DOL-3
6.2.5 Instrumentation de la filière de traitement
6.3 Conclusion
CHAPITRE 7 CONCLUSIONS ET RECOMMANDATIONS