Utilization Of Industrial Residuals For Prevention Of Sulfide Oxidation In Mine Waste

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Keyword: Engineering and Technology, Environmental Engineering, Teknik och teknologier, Naturresursteknik, Mine waste, Sulfide oxidation, ARD, Inhibition, Dry cover, Seconday minerals, Applied Geochemistry, Tillämpad geokemi, Geoteknik, Soil Mechanics
Publication year: 2019
Relevant Sustainable Development Goals (SDGs):
SDG 12 Responsible consumption and productionSDG 11 Sustainable cities and communitiesSDG 6 Clean water and sanitation
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This report is the outcome of the SIP STRIM project

StopOx-Utilization of industrial residuals for prevention of sulfide oxidation in mine waste implemented at Applied geochemistry, Luleå University of Technology running from 2015 to 2018. Boliden Mineral has been partner and co-funder of the project. Other partners in the project were Cementa, Dragon Mining, MEROX, Nordkalk, and SP Processum. The overall aim of the project was to develop prevention technologies to reduce the sulfide oxidation in mine waste, during and after operation, and thereby reduce the generation of acid mine drainage. The StopOx project has been focusing on sulfidic mine waste from the Boliden area which were disposed of and are causing acid mine drainage or have the potential. Industrial residues/products were supplied by BillerudKorsnäs, Cementa, MEROX, and Nordkalk. The report consists of chapters based on three subprojects.

Chapter 1. Introduction

Chapter 2. Inhibition technology with aim to minimize waste rock oxidation during operations by using residues from other industries (passivation of sulfidic surfaces by the formation of secondary minerals)

Chapter 3. The suitability of green liquor dregs as substitutes for or additives to till in a sealing layer as part of a cover system

Chapter 4. Weathering of waste rock under changing chemical conditions

The research described in chapters 2 and 3 was performed by Ph.D. students and will continue until 2021, while the subproject in chapter 2 ended in 2018.


Lena Alakangas

Luleå tekniska universitet; Geovetenskap och miljöteknik
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Kaasalainen Hanna

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Christian Maurice

Luleå tekniska universitet; Geoteknologi
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Elsa Nyström

Luleå tekniska universitet; Geovetenskap och miljöteknik
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Susanne Nigéus

Luleå tekniska universitet; Geoteknologi
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