reaction of coal mining in south africa

by M Gomo 2018 Cited by 6 — The occurrence of circumneutral water is not uncommon in mine drainage. The overall process of pyrite oxidation is described by the chemical reaction presented in These sites are located in the Mpumalanga Coal fields of South Africa.

Get Price

Relate

  • Spontaneous combustion of coals and coal-shales +

    Spontaneous combustion of coals and coal-shales

    by M Onifade 2018 Cited by 56 — Spontaneous combustion is a process in which oxidation reaction takes place without Self-heating of highwalls and coal-shales in Witbank, South Africa. this work were taken from four coal mines in Witbank area of South Africa and kept in 

  • Mining is bad for health: a voyage of discovery +

    Mining is bad for health: a voyage of discovery

    9 Jul 2019 — However, between 10 and 21% of coal miners develop coal miners Unfortunately, the situation affects South African miners as well as migrants Analysis 320 coal mine accidents using structural equation modeling with 

  • Industry reflects on governments calls for clean coal +

    Industry reflects on governments calls for clean coal

    27 Mar 2020 — Industry reaction to Ministers call for higher levels of clean-coal investment In South Africa, however, there has been an amplification in recent months “a potentially huge role” in reducing the carbon footprint of coal mines.

  • The co-combustion performance and reaction kinetics of +

    The co-combustion performance and reaction kinetics of

    by K Isaac 2020 Cited by 3 — The Ea for the run-of-mine (ROM) coal of 104.4 kJ/mol, was found to This study seeks to utilize South African fine coal as co-fired fuel with 

  • Treatment of acid mine drainage with fly ash: removal of major +

    Treatment of acid mine drainage with fly ash: removal of major

    by MW Gitari 2006 Cited by 126 — Acid mine drainage (AMD) has been reacted with two South African fly ashes in a batch setup in an attempt to evaluate their neutralization and major, trace 

  • The Social and Environmental Consequences of Coal Mining +

    The Social and Environmental Consequences of Coal Mining

    by V Munnik 2010 Cited by 46 — A hundred years of coal mining in the Mpumalanga Highveld, South Africas most important The process is autocatalytic, i.e. the chemical reactions catalyse 

  • Spontaneous combustion risk in South African coalfields +

    Spontaneous combustion risk in South African coalfields

    by B Genc 2015 Cited by 28 — The risk of spontaneous combustion is well known in the South African coal mining industry. It is also fairly certain that coal mining will face tougher environmental i.e. where an exothermic reaction is taking place, is referred to as Stage II.

  • Congress of South African Trade Unions (COSATU) +

    Congress of South African Trade Unions (COSATU)

    The Congress of South African Trade Unions (Cosatu) was launched on 1 December 1985, at the height of the struggle against apartheid. As a federation, it brought together many of the unions formed after the wave of strikes at the beginning of 1973 which marked a renewal of trade union activity after a decade-long lull.

  • Green coal development for application in fixed +

    Green coal development for application in fixed

    by JR Bunt 2018 — Keywords: Coal briquette, catalytic gasification, reactivity, sulphur retention. Mt of coal produced annually in South Africa, 60 Mt is discarded from mining and The combustion reaction C + O2 → CO2 was also selected in order to show the 

  • Determination of mineral matter and elemental +

    Determination of mineral matter and elemental

    by RH Matjie 2016 Cited by 30 — Low-grade, medium-rank C bituminous coals are mined for South African The inorganic elements within the organic structure of coal macerals may react in a V6H2O) in the low-temperature ash residues of South African coal samples 

  • Spontaneous combustion of the organic matter in +

    Spontaneous combustion of the organic matter in

    by RM FALCON Cited by 33 — The analyses of 6 samples from 2 discard dumps in the Witbank coalfield are included, which show that, accord- organized by The South African Institute of Mining and Metallurgy, time is equal to the reaction rate at the reacting boun-.

  • The end of coal? Planning a "just transition" in South Africa +

    The end of coal? Planning a "just transition" in South Africa

    by C Strambo 2019 Cited by 5 — Cover photo: Aerial view of a coal mine near Ogies in South Africa of five of its coal-fired power stations.1 The announcement sparked a strong reaction from 

  • The impact of coal mining on the environment and community +

    The impact of coal mining on the environment and community

    by BN Shongwe 2018 Cited by 3 — Coal is South Africas major primary energy source, and plays a significant role in and social impacts associated with the South African coal mining industry. The findings also indicate that there has been response to these concerns by 

  • Navigating coal mining closure and societal change: learning +

    Navigating coal mining closure and societal change: learning

    by C Strambo 2019 Cited by 4 — The Village in a Game Park: Local Response to the Demise of Coal Mining in KwaZulu-Natal, South Africa. Economic Geography, 79(1). 41–66. Blackman, K. G. A. 

  • A Labor-Liberal political alliance propped up Portland to +

    A Labor-Liberal political alliance propped up Portland to

    Mar 19, 2021 Coal closure The closure might have been fatal for Trevor St Baker’s coal-fired power plant at Vales Point on Lake Macquarie in NSW, according to Bruce Mountain, the director of the Victoria

  • Prevention of spontaneous combustion in coal drifts using a +

    Prevention of spontaneous combustion in coal drifts using a

    by MV Ozdogan 2018 Cited by 7 — The spontaneous combustion of coal in underground mines is a vital subject for miners. is generated by the exothermic reaction of coal and oxygen, so none of these Journal of the Southern African Institute of Mining and Metallurgy, vol.

  • Pros and Cons of Nuclear Energy +

    Pros and Cons of Nuclear Energy

    Pros and Cons of Nuclear Energy. Nuclear energy is the energy released by a chain reaction, specifically by the process of nuclear fission or fusion in the reactor. The source of fuel used to generate nuclear energy is mined and processed uranium (enriched uranium), which is utilized to generate steam and produce electricity.

  • Characterisation of Mineral Matter in South African Coals +

    Characterisation of Mineral Matter in South African Coals

    by NB Maledi Cited by 3 — Appendix E: Petrographic composition of selected South African coal samples Acidic, iron-rich water filling a collapsed coal mine [McCarthy and stage syngenetic mineral matter was formed as a result of chemical reactions between the.

  • Graphical analysis of underground coal gasification +

    Graphical analysis of underground coal gasification

    Underground coal gasification (UCG) is recognized as an efficient mining technique A South African coal is studied to determine the possible synthesis gas The process requires the reaction of coal in air/oxygen (and possibly with the 

  • MANAGEMENT OF REACTIVE GROUND AT THE +

    MANAGEMENT OF REACTIVE GROUND AT THE

    by GLR Botha 2014 Cited by 1 — COAL MINE IN THE WITBANK COALFIELDS OF SOUTH AFRICA ground is prone to react with the bulk explosives used in fracturing the rock, normally.

  • The Social and Environmental Consequences of Coal Mining +

    The Social and Environmental Consequences of Coal Mining

    by V Munnik 2010 Cited by 46 — A hundred years of coal mining in the Mpumalanga Highveld, South Africas most important The process is autocatalytic, i.e. the chemical reactions catalyse 

Latest News