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Monday, May 18, 2020 | History

1 edition of Large-scale studies of spontaneous combustion of coal. by Alex C. Smith [and others] found in the catalog.

Large-scale studies of spontaneous combustion of coal. by Alex C. Smith [and others]

Large-scale studies of spontaneous combustion of coal. by Alex C. Smith [and others]

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Published by U.S. Dept. of the Interior in Washington .
Written in English

    Subjects:
  • Coal - Combustion

  • Edition Notes

    11

    The Physical Object
    Pagination30 p.
    Number of Pages30
    ID Numbers
    Open LibraryOL21985696M

    Hendrik van der Bijl, the boss of Eskom and Iscor, was made Director-General of War Supplies and led a major expansion of industry and hence of demand for coal. As coal production increased, so too did the discard coal dumps and the fires of spontaneous combustion glowed from both mines and dumps.   "The Department of Energy is investing $20 million into research on extraction technologies for coal wastes, and there is literally billions of dollars' worth of rare earth elements contained in our nation's coal ash," said Heileen Hsu-Kim, the Mary Milus Yoh and Harold L. Yoh, Jr. Associate Professor of Civil and Environmental Engineering at Duke.

    This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation. attention to internal and external combustion en-gines, to methods for converting garbage and re-cycling paper, and to greater utilization of renew-able, non-polluting sources of energy. The author (a geographer at the University of Michigan) ad-vises that the course which uses this book was taught jointly with an associate who is an engi-neer.

    The analysis of the previously secret papers from a major tobacco company presented in this book demonstrates that the tobacco industry was even more cynical than even I had previously dared believe. The surgeon general is perhaps best known for the Surgeon General's reports on smoking and health. Full text of "An Elementary Treatise on the Combustion of Coal and the Prevention of Smoke, Chemically and " See other formats.


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Large-scale studies of spontaneous combustion of coal. by Alex C. Smith [and others] Download PDF EPUB FB2

Smith, Alex C. Large-scale studies of spontaneous combustion of coal. Pgh. [i.e. Pittsburgh] PA: United States Dept. of the Interior, Bureau of Mines, (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: Alex C Smith; Yael Miron; Charles P Lazzara.

Large-scale studies of spontaneous combustion of coal [microform] / by Alex C. Smith, Yael Miron, and Charles P. Lazzara U.S. Dept. of the Interior, Bureau of Mines Washington, D.C. ( E St., N.W., MS #, Washington ) The results of these tests showed that the self-heating of a large coal mass depends not just on the reactivity of the coal, but also on the particle size of the coal, the freshness of the coal surfaces, the heat-of-wetting effect, and the availability of o2 at optimum ventilation rates.Spontaneous combustion studies of U.S.

coals [microform] / by Alex C. Smith and Charles P. Lazzara U.S. Dept. of the Interior, Bureau of Mines Pittsburgh, Pa Wikipedia Citation Please see Wikipedia's template documentation for further citation fields that may be required. Three tests were completed using high- volatile c bituminous coals that exhibited high spontaneous combustion potentials in laboratory-scale tests.

In the first two tests, sustained self-heating was not achieved, with maximum temperature increases of 6 deg and 9 deg c, respectively. Lazzara's research while affiliated with U.S.

Department of the Interior and other places. Overview. Alex C Smith. Richard W Pro Large-scale studies of spontaneous combustion of coal. Studies on spontaneous combustion of coal stockpiles under the influence of atmospheric conditions have been reported.

However, no previous studies reported experimental methodologies to emulate the effects of atmospheric conditions on coal spontaneous combustion in the laboratory without an applied heating system. •Majority of tests measures ‘reactivity’ of coal to oxidation • Term ‘reactivity’ of coal used in other contexts too -for example • Propensity of coal to react with carbon dioxide to form carbon monoxide • During use as a reductantin pyro metallurgical processes Reactivity of coal •.

An apparatus to establish the spontaneous combustion propensity of South African coals, Symposium on safety in coal mines, CSIR, Pretoria; p. Fluidization engineering Jan However, the process of coal spontaneous combustion from room temperature naturally heated to ignition temperature was scarcely reported, so as to the process of anaerobic cooling.

Our aim was to construct a large-scale t experimental furnace to study the characteristics of spontaneous combustion and anaerobic cooling of coal. Topic of work: A critical investigation into spontaneous combustion in coal storage bunkers.

Declaration. I understand what plagiarism is and am aware of the University’s policy in this regard. I declare that this dissertation is my own original work. Where other people’s work has been used (either. The aim of this project was to improve the ability to detect spontaneous combustion and to be able to monitor the changes in intensity of any spontaneous combustion event.

Large scale testing of 5 coal samples (16 tonne) lead to successful self heatings on two occasions. Some of. In recent years, the ecology, security, and sustainable development of modern mines have become the theme of coal mine development worldwide.

However, spontaneous combustion of coal under conditions of oxygen supply and automatic exothermic heating during coal mining lead to coalfield fires. Coal spontaneous combustion (CSC) causes huge economic losses and casualties, with the. Coal Operators’ Conference The University of Wollongong 12 – 14 February DEVELOPMENTS IN THE MANAGEMENT OF SPONTANEOUS COMBUSTION IN AUSTRALIAN UNDERGROUND COAL MINES David Cliff1, Darren Brady2 and Martin Watkinson3 ABSTRACT: In the book Spontaneous Combustion in Australian Underground Coal Mines was first released.

Spontaneous Combustion in Open Cut Coal Mines — Recent Australian Research J N Carras1,S Day 1, A Saghafi2 and O C Roberts3 ABSTRACT The control of spontaneous combustion in spoil piles is an area of concern for a number of open cut coal mines. Spontaneous combustion in spoil may occur when carbonaceous waste materials are exposed to air.

Spontaneous combustion of coal is a natural hazard during mining. In China, more than 60 % of cases of spontaneous combustion of coal in China result from coal pillars in goafs. In this paper, the plastic deformation of a coal pillar was simulated and, based on the simulated vertical and horizontal displacement, the distribution of surface porosity was deduced.

UNESCO – EOLSS SAMPLE CHAPTERS THERMAL POWER PLANTS – Vol. I - Power Plant Combustion Theory - R.A. Chaplin ©Encyclopedia of Life Support Systems (EOLSS) mass of 16 while carbon dioxide has a molecular mass of The mass of a substance in kilograms equal to its molecular mass is called a kilogram- mole or often simply a mole of the substance.

In the case of oxygen. COAL, OIL SHALE, NATURAL BITUMEN, HEAVY OIL AND PEAT – Vol. I - Coal Combustion and Combustion Products - Xianglin Shen ©Encyclopedia of Life Support Systems (EOLSS) Fixed Grate An overfeed fixed bed on a fixed grate is the most simple way of coal combustion.

Exxaro Mineral Sands 6 Main contributing factors to spontaneous combustion Heat generation contributing factors: Total reactive (mostly Vitrinite)-Volatile matter-Raw Caloric Value-Sulphur content-Temperature, every 10 C degree increase of coal temperature doubles the rate of oxidationHeat dissipation contributing factors.

In addition, our emerging areas of coal research include enhanced coalbed methane and CO 2 sequestration in coal, oxy-combustion, advanced coal gasification, co-firing coal-biomass, ionic liquids treatment, microwave applications to coal, application of X-ray computed tomography technique, and others.

We are one of the two National Research. Coal mining was widespread in the central belt of Scotland from until the ’s and created a legacy of waste tips or ‘bings’ that still dot the landscape.

High content of coal fines and carbonaceous shales, make bings very prone to self-heating and smoldering combustion. A 30 m high waste heap at Bogside, North Lanarkshire, Scotland, started to smoulder inapproximately On examining the evidence to be obtained as to the conditions under which spontaneous ignition of coal ships usually takes place, Lewes found that the liability to such acci- dents increases with PARR-KRESSMANN-SPONTANEOUS COMBUSTION OF COAL 65 (1) The tonnage of the cargoes, (2) The ports to which shipments are made, (3) The kind of coal of.Death by burning is an execution method involving combustion or exposure to extreme heat.

It has a long history as a form of capital punishment, and many societies have employed it for criminal activities such as treason, heresy and best known execution of this type is burning at the stake where the condemned is bound to a large wooden stake and a fire lit beneath them.