Reprocessing Mine Tailings To Control Acid Rock Drainage

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BLUE MINERAL CONSULTANCY

The most recent AMIRA P933B project Long-Term Acid Rock and Tailings Drainage Mitigation through Source Control, sponsored by BHP and Teck Corporation, targeted mineralogy, geochemistry and reaction pathways of acidic and neutralising minerals in kinetic tests of samples from iron ores, acid rock dumps and tailings to develop conditions

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Tailingsfo What Are Tailings?

2021-1-4Acid generation and metal mobilisation occur that can find their way into the surrounding environment through runoff or seepage. This phenomenon is a well known problem affecting the mining industry and is commonly known as Acid Mine Drainage (AMD) or Acid Rock Drainage (ARD) (Garcia, Ballester et al. 2005; Ritcey 2005).

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Selection of Remediation Measures for Abandoned Mine

2003-11-4Case 2 – Colomac Mine Example of large site with single over-riding problem The third case is an example of a very large and very complex mine closure. The Giant Mine near Yellowknife NWT operated from 1948 to 1999. The gold ore at Giant was associated with the mineral arsenopyrite. To liberate the gold, the ore was roasted at high temperature.

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Mining industry and sustainable development: time

Acid mine drainage often results from exposure of rock minerals and ore deposits to water and oxygen facilitating the mobilization of chemical elements and increasing their concentrations in waters and food chains, with detrimental effects on ecosystems' health and human health (Carvalho et al. 2007, 2016a, b; Hudson‐Edwards et al. 2011

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Investigating the reprocessing of Carolin mine tailings

Proceedings Tailings and Mine Waste 2011 Vancouver, BC, November 6 to 9, 2011 Investigating the Reprocessing of Carolin Mine Tailings Adrian Daniel Mining Engineering, University of British Columbia, Vancouver, Canada Bruce W. Downing Module Resources Inc., Vancouver, Canada Abstract During the ten year period between Aug 2001 and Aug 2011 the price of gold has

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Preventing acid mine drainage from mine tailings

2014-5-14Keywords: Acid Mine Drainage, tailings, sulphide ores, soils and groundwater contamination,heavy metals, leachate. 1 Introduction 1.1 Sulphide mine waste and tailings It is known that mining industry causes negative impacts in its surrounding area. The production of acid mine drainage (AMD) has long been known to occur in

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eCite

At the Old Tailings Dam (OTD), Savage River, Western Tasmania, 38 Mt of pyritic tailings were deposited (1967 to 1982) and have since been generating acid and metalliferous drainage (AMD). Mineral chemistry analysis confirmed high concentrations of refractory cobalt in pyrite (up to 3 wt %). This study sought to determine, through a series of bench scale tests, if Co could be

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Extraction of cobalt from historic sulphide tailings

Mineralogical and geochemical characterisation of sulphide minerals in historic tailings can assist in determining whether there are economic and environmental benefits of reprocessing such materials using modern metallurgical practices. At the Old Tailings Dam (OTD), Savage River, Western Tasmania, 38 million tonnes of pyritic tailings were deposited (1967 to 1982), and

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Acid drainage control – Waihi Gold

Acid drainage control It is important to manage the placement of PAF material within the embankments to ensure that acid drainage is controlled both during the short term while the tailings storage facilities are being constructed, and in the long term.

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Tailings Management Strategies to Meet Today's

2020-4-8"Although the co-disposal concept will increase the complexity and cost of operations, it will reduce the footprint area, increase the rate of consolidation of the tailings, improve the stability, reduce the potential for freeze drying and dusting of the tailings, and reduce the metal leaching and acid mine drainage from the mine rock."

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Costs of Remediation at Mine Sites,

----- Costs of Remediation TABLE OF CONTENTS 1.0 INTRODUCTION 1 1.1 Cost Factors 1 1.2 Organization of Report 3 2.0 ACID ROCK DRAINAGE 4 2.1 Waste Rock Pile 5 2.2 Underground Mine Drainage 10 3.0 SEEPAGE AND OVERFLOW FROM LEACH SYSTEMS AND TAILINGS IMPOUNDMENTS 13 3.1 Overflow or Breach of an Impoundment Structure 13 3.2 Leakage from the Face or Toe of a Dam 14 4.0 MINE

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mine tailings

Moltissimi esempi di frasi con mine tailings any acid drainage generated by tailings ponds, mine waste heaps or mine voids, will [] have to be included successful initiatives combine the reprocessing of old tailings and waste dumps with a new mine which - in most cases improves economic viability

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Abandoned Mine Lands: Technical Resources

Bioremediation of Acid Mine Drainage Using Sulfate-Reducing Bacteria (PDF) (72 pp, 1.1 , About PDF) August 2006. Biological Control of Acid Mine Drainage; Handbook for Constructed Wetlands Receiving Acid Mine Drainage. EPA/540/R-93/523. September 1993; Pintail Systems Inc.'s Aqueous Biocyanide Process (PDF) (8 pp, 377K). EPA/540/R-00/501a

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Tailingsfo What Are Tailings?

2021-1-4Acid generation and metal mobilisation occur that can find their way into the surrounding environment through runoff or seepage. This phenomenon is a well known problem affecting the mining industry and is commonly known as Acid Mine Drainage (AMD) or Acid Rock Drainage (ARD) (Garcia, Ballester et al. 2005; Ritcey 2005).

Get price

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Abandoned Mine Lands: Technical Resources

Bioremediation of Acid Mine Drainage Using Sulfate-Reducing Bacteria (PDF) (72 pp, 1.1 , About PDF) August 2006. Biological Control of Acid Mine Drainage; Handbook for Constructed Wetlands Receiving Acid Mine Drainage. EPA/540/R-93/523. September 1993; Pintail Systems Inc.'s Aqueous Biocyanide Process (PDF) (8 pp, 377K). EPA/540/R-00/501a

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RECORD OF DECISION, CLEAR CREEK/CENTRAL CITY

2021-2-8The waste rock/tailings piles considered in this Operable Unit were selected based on their location close to the acid mine discharges. Currently, the major impacts on the water quality of Clear Creek are the Big Five and Argo mine tunnel discharges. The water quality of North Clear Creek is affected by the

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Tailingsfo What Are Tailings?

2021-1-4Acid generation and metal mobilisation occur that can find their way into the surrounding environment through runoff or seepage. This phenomenon is a well known problem affecting the mining industry and is commonly known as Acid Mine Drainage (AMD) or Acid Rock Drainage (ARD) (Garcia, Ballester et al. 2005; Ritcey 2005).

Get price

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Henry's Knob Site Case Study Revitalizing Mine Tailings in

2018-4-16tailings pond, spoils piles and remnant mine operations. In the 1950s and 1960s, Commercialores mined the site for kyanite (see text box). During the mining process, waste rock and spoils were dewatered in ponds and piles. Acid mine drainage and acid rock drainage impacted surface areas, surface water and groundwater. Acid mine drainage

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BLUE MINERAL CONSULTANCY

The most recent AMIRA P933B project Long-Term Acid Rock and Tailings Drainage Mitigation through Source Control, sponsored by BHP and Teck Corporation, targeted mineralogy, geochemistry and reaction pathways of acidic and neutralising minerals in kinetic tests of samples from iron ores, acid rock dumps and tailings to develop conditions

Get price

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Mend

4th International Conference on Acid Rock Drainage – Short Course on: Prediction models for acid rock drainage: Executive Summary: pdf: IW.04: ICARD Workshop: Dry covers for mine tailings and waste rock: Executive Summary: pdf: IW.05: 4th International Conference on Acid Rock Drainage – The treatment of Acid Mine Drainage – Part 1

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DISPOSAL, REPROCESSING AND REUSE OPTIONS FOR

2008-1-30tailings, including utilization of excess alkalinity to offset acid generation and filling of void spaces. This practice of disposing treatment sludge in waste rock piles is being adopted at some sites. NB Coal's Fire Road mine (Minto, New Brunswick) started looking at the option of

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(PDF) Designing mine tailings for better

components in tailings which contribute to acid mine drainage Nancucheo and Johnson (2011) investigated whether by (AMD) generation, provides a basis on which to introduce a primary manipulating microbial communities in tailings (inoculating with level of integration into the upstream mineral processing tech- iron- and sulphur-reducing

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by D Barrie Johnson, College of Natural Sciences, Bangor

2014-9-26into two main categories: waste rock and mine tailings. Dumps of waste rock are composed of sand-sized particles to large boulders and have less potential to generate pollut - ing drainage waters than tailings. The latter are fine grain wastes generated during the separation of target metal minerals from others in milled ores by froth flotation

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Frontiers

Deep-sea tailings disposal (DSTD) and its shallow water counterpart, submarine tailings disposal (STD), are practiced in many areas of the world, whereby mining industries discharge processed mud- and rock-waste slurries (tailings) directly into the marine environment. Pipeline discharges and other land-based sources of marine pollution fall beyond the regulatory scope of the

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Chapter 5

2012-5-12Top of this page. 5.2 Objectives of Prediction Program. The purpose of a drainage chemistry prediction program is to characterize mine wastes and walls and to anticipate problems so that, if required, impact prevention measures (see Chapter 6) can be implemented in the most cost-effective manner.

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eCite

At the Old Tailings Dam (OTD), Savage River, Western Tasmania, 38 Mt of pyritic tailings were deposited (1967 to 1982) and have since been generating acid and metalliferous drainage (AMD). Mineral chemistry analysis confirmed high concentrations of refractory cobalt in pyrite (up to 3 wt %). This study sought to determine, through a series of bench scale tests, if Co could be

Get price

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Taming tailings to protect the environment

Mine tailings are, potentially, the most environmentally hazardous part of any mining operation. GEA has developed diverse technologies that can significantly reduce the impact of tailings on the environment and help minimize water usage, while isolating and extracting valuable minerals which can become an additional revenue source.

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(PDF) Designing mine tailings for better

components in tailings which contribute to acid mine drainage Nancucheo and Johnson (2011) investigated whether by (AMD) generation, provides a basis on which to introduce a primary manipulating microbial communities in tailings (inoculating with level of integration into the upstream mineral processing tech- iron- and sulphur-reducing

Get price

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Waste Production and Utilization in the Metal

Increasingly stringent environmental regulations and industry adoption of waste minimization guidelines have thus, stimulated the need for the development of recycling and reuse options for metal related waste. This book, therefore, gives an overview of the waste generation, recycle and reuse along the mining, beneficiation, extraction, manufacturing and post-consumer value chain.

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CONTROL OF ACID ROCK DRAINAGE FROM MINE

2021-2-19CONTROL OF ACID ROCK DRAINAGE FROM MINE TAILINGS THROUGH THE ADDITION OF DISSOLVED ORGANIC CARBON by Paul John Sturman A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Engineering MONTANA STATE UNIVERSITY Bozeman, Montana November 2004

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