how to mine reactive sulphide ore

how to mine reactive sulphide ore


deposits consisting of sulfide ore including Pb Zn Zn rich Pb rich Pb Zn Cu and contents of mine drainage waters these include reactivity of the iron sulfide

Oxidation of Sulfide Minerals From Acid Mine

Oxidation of sulfide minerals near the Earth s surface in the presence of water Ferrous iron oxidation by 0 at low pH is slow thus the rate of the reaction in R2

Voisey s Bay Mine and Mill Environmental Assessment

6 Tailings Mine Rock and Site Water Management The mineral resource at Voisey s Bay contains highly reactive sulphide minerals Therefore controlling ac

Management of Sulfide Bearing Waste a Challenge for the

Feb 8 sulfide bearing mine waste which can last for hundreds or even thousands Mixing of tailings and reactive waste rock to minimize the oxygen

Roasting metallurgy Wikipedia

Roasting is a process of heating of sulphide ore to a high temperature in presence of air It is a The first reaction represents the chlorination of a sulfide ore involving an Economic geology Mineral Base metal Precious metal Mining

Copper Mining and Extraction Sulfide Ores

resource looks at copper mining extraction and pyroprocessing of sulfide or This is the same reaction as the one you may have tried to perform in the

an overview of mining waste management issues Clean

managed waste created by mining of sulfide mineral deposits such as those in The end products of the above reaction are solid iron hydroxide which

gcse 1 Introduction to the Extraction of Metals method related to

Mining of Minerals and Methods of Extracting of Metals from Ores Ores are often oxides carbonates or sulphides because these non metals readily combine with many metals This is typical extraction chemistry for less reactive metals

Direct Measurement of Sulfide Mineral Oxidation Rates

The rate of sulfide mineral oxidation in mine rock is proportional to the oxygen due to the large reactive zone into the wall rock eg rates decline by 12

Sulphuric acid leaching of zinc and copper from Nigerian

The Journal of The Southern African Institute of Mining and Metallurgy Keywords Nigerian sulphide ore zinc copper hydrometallurgy reactive The dissolution of ores using sulphuric acid in conjunction with hydrogen peroxide has been

sulphide dust explosion Department of Mines and

an accidental explosion including a sulphide dust or coal dust containing disulphides such as chalcopyrite and pyrite are the most reactive and have the

Shallow Water Cover Technology for Reactive Sulphide

Reactive Sulphide Tailings Management Ernest KYanful lakes did not oxidize or release heavy metals m in depth over reactive mine tailings Several

Geochemistry and Mineralogy of Solid Mine Waste

to produce acid mine drainage since the ratio of neutral izing carbonates to reactive sulfide minerals is low and the potentially toxic elements that could be

Sulfide mineral oxidation and subsequent

The model PYROX has been coupled to an existing reactive transport model MINTRAN a b The oxidation of pyrite and other sulfide minerals in mine


to evaluate the post depositional reactivity of sulphide bearing mine wastes and to conduct behaviour or reactivity of the wastes once exposed to freshwater

extraction of metals introduction Chemguide

However if you are starting with a sulphide ore for example that s not a lot of help This is a common extraction process for the more reactive metals for

paper 20 Magotteaux

Oxygen Demand Measuring Pulp Reactivity Christopher J 3 Perilya Broken Hill Mine non sulphide minerals which can impact on their flotation behaviour

Save Lake Superior Association Sulfide Mining

The methods of mining and processing sulfide ores are advanced globally and applied locally The waste contains inherently reactive toxic material Exposing

Geochemistry of Tailings from the Mount Polley Mine

and Quesnel Lakes the geochemical characterization assessed reactivity in both Processing of ore mined from the Mount Polley yields a copper sulphide

Briefing Note on Reactive Ground Orica Mining

Reactive ground is a term used in the mining industry to describe ground in which The reaction of ammonium nitrate with sulphide containing minerals is an

Sulphide Self Heating Moisture Content and McGill

Sarah Jung Department of Mining and Materials Engineering Spontaneous or self heating of sulphides can occur under certain conditions of moisture Figure 24 Predicted self heating diagrams of a quick reacting ore sample a and

Metal Mine Rock and Waste Characterization Tools An

The oxidation of iron sulfide minerals such as pyrite FeS2 and pyrrhotite TOOLS TO ASSESS MINE WASTE REACTIVITY 51 Mine Waste Sampling

Acid Drainage from Waste Rock Dumps at Mine Sites

The release of acid drainage requires that the sulphides in the dump be waste rock dumps and describes sites where data has been collected or different techniques 3 preventing infiltrating water making contact with reactive material

Cyanidation of a pyrrhotite bearing gold ore

The Musselwhite Mine in Canada processes a free milling gold ore at 55 58g/t Au the negative effect of sulphide minerals and has to be used with lead nitrate finding means that pyrrhotite is less reactive than pyrite in a cyanide solution

Design and reclamation of mine waste facilities to

The economics of mine waste management are often minerals are non reactive nor if the rock contains reactive sulphide minerals oxygen and water

Gold Ore Processing Technology Not Standing Still ALTA

designed to upgrade run of mine ore underground resulting in savings in haulage ore containing the reactive sulphide pyrrhotite improves gold recovery

What is acid rock drainage MiningFactsorg

Acid rock drainage ARD or acid mine drainage refers to the acidic water Like the rusting of iron nails sulphide oxidation is a spontaneous chemical reaction