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2024 | Book

Passive Treatments for Mine Drainage

A Guide for Early Researchers

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About this book

This book allows readers to grasp both the fundamentals and the latest technological advances in the field of mine drainage, which is increasingly crucial both environmentally and economically. Its extensive coverage of current and promising passive treatment technologies, combined with numerous practical guides, makes it an indispensable tool for early researchers seeking promising trends and identifying gaps.

The book systematically explores recent literature on passive treatment research, classifying them as preventative, in-situ, and ex-situ solutions. It covers relevant passive treatments such as permeable reactive barriers, constructed wetlands, gravel bed reactors, saturated rock fills, and passivation techniques, among other common source control tactics. Each technology is discussed in terms of principal mechanisms, state-of-the-art technological advances, advantages and disadvantages, and suitability for a given mine drainage chemistry and flow regime. The book provides a comprehensive view of the entire field, offering researchers and policymakers a reference guide, research ideas, understanding, and practical applications for each technology.

Furthermore, the contains an overview of recent trends in material selection for passive treatment applications, primarily through the use of industrial waste and by-products, which incorporate more sustainable practices in mine drainage remediation. Uniquely, the manuscript includes a flowchart based on water chemistry and flow rates to guide readers to ideal treatment options, along with written analysis to further support the readers’ decision-making. Overall, this equips early researchers in the field with knowledge of fundamentals and promising research routes when dealing with different mine drainage complexities while also providing them with promising research avenues that can advance the field further.

Table of Contents

Frontmatter
Chapter 1. Introduction
Abstract
This chapter introduces the concept of acid mine drainage and its derivatives (e.g., contaminated mine drainage) regarding their chemical characteristics and production conditions in mining and engineering sites. It further discusses the environmental and economical implications of mine drainage production and introduces the concept of active and passive treatments for its remediation.
Cassandra Chidiac, Aaron Bleasdale-Pollowy, Andrew Holmes, Frank Gu
Chapter 2. Acid Mine Drainage Prevention
Abstract
Source control suppresses mine drainage production in-situ by neutralization and/or creating physical barriers to mitigate the exposure of bacteria and oxidants (e.g., air, water) on sulfide minerals. Source control tactics are subdivided into construction techniques; blending/co-disposal; capping/physical barriers; and passivation (e.g., organic coatings, inorganic coatings, silane coatings, carrier microencapsulation, etc.). Herein each technique’s suppression mechanism is discussed along with their advantages, disadvantages, and their recent research advances and literary gaps.
Cassandra Chidiac, Aaron Bleasdale-Pollowy, Andrew Holmes, Frank Gu
Chapter 3. In-Situ Remedies
Abstract
In situ remedies refer to processes that treat mine drainage at the source, whether directly adding amendments as in-pit treatments or backfilling old mining pits to create in situ bioreactors (e.g., saturated rock fills). In-pit treatments can be further subdivided by the following amendment types and removal mechanisms: alkaline; adsorptive; biological, or mixed treatments. This section will outline the mechanisms of each technique, current research in their subfield, literature gaps and potential methods to advance each field, with a focus on waste by-products.
Cassandra Chidiac, Aaron Bleasdale-Pollowy, Andrew Holmes, Frank Gu
Chapter 4. Ex-Situ Remedies
Abstract
Ex-situ remedies refer to treatments that use natural hydraulic gradients or pump-and-treat methods to remediate mine drainage or developed plumes off-site; these include anoxic limestone drains, permeable reactive barriers, constructed wetlands, and gravel bed reactors. The following chapter delves into each of their technologies in terms of their removal principles, research trends, and identified literary gaps.
Cassandra Chidiac, Aaron Bleasdale-Pollowy, Andrew Holmes, Frank Gu
Chapter 5. Recommendations and Challenges
Abstract
This chapter delves into each passive treatment (i.e., source control, in-pit treatments, saturated rock fills, permeable reactive barrier, gravel bed reactors, and constructed wetlands) discussing their most promising remediation amendments/mode of operation as well as their challenges under different metal drainage conditions.
Cassandra Chidiac, Aaron Bleasdale-Pollowy, Andrew Holmes, Frank Gu
Chapter 6. Outlook
Abstract
This chapter delves into each passive treatment (i.e., source control, in-pit treatments, saturated rock fills, permeable reactive barrier, gravel bed reactors, and constructed wetlands) future outlook based on recent research trends and their identified learning gaps.
Cassandra Chidiac, Aaron Bleasdale-Pollowy, Andrew Holmes, Frank Gu
Metadata
Title
Passive Treatments for Mine Drainage
Authors
Cassandra Chidiac
Aaron Bleasdale-Pollowy
Andrew Holmes
Frank Gu
Copyright Year
2024
Electronic ISBN
978-3-031-32049-1
Print ISBN
978-3-031-32048-4
DOI
https://doi.org/10.1007/978-3-031-32049-1

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